Digital Timer H5CN CSM_H5CN_DS_E_4_2 Miniature DIN-sized (48 x 48 mm) Quartz Timer with Abundant Series Versions • Series version cover a wide range of rated times; 9.999 s, 99.99 s, 999.9 s, 99 min 59 s, and 99 hrs 59 min. • Selection of elapsed time indication, remaining time indication, contact output, and transistor output types to suit requirements. • Power supply freely selectable within a range of 100 to 240 VAC, as well as 12 to 48 VDC. Refer to Safety Precautions for All Timers. Refer to Safety Precautions on page 12 The new models manufactured in April 2014 or after will be changed to use internal non-volatile memory for memory For the most recent information on models that have been certified for backup. A Backup Battery (Y92S-20) for memory backup is safety standards, refer to your OMRON website. not required for the new models. Model Number Structure ■ Model Number Legend Note: This model number legend includes combinations that are not available. Before ordering, please check the List of Models on page 2 for availability. H5CN- @@N@@ 1 2 3 4 5 1. Display 3. Output mode X:UP display (increments from 0 to the set time) N: N mode (Power ON-delay) Y:DOWN display (decrements from the set time to 0) 4. Memory backup 2. Rated time None: Not provided Z: 0.001 to 9.999 s M: Provided A:0.001 to 99.99 s 5. Output type B:0.1 to 999.9 s None: Contact output (SPDT) C:1 s to 99 min 59 s S: Transistor output D:1 min to 99 h 59 min 1 H5CN Ordering Information ■ List of Models Display type UP display timer (increments form DOWN display timer (decre- UP display timer (increments from 0 0 to the set time) ments form the set time to 0) to the set time) Output type Contact output (SPDT) Transistor output Pin type 11-pin 8-pin Memory backup Provided Not provided Supply voltage 100 to 240 VAC 100 to 240 VAC, 12 to 48 VDC 12 to 48 VDC Rated time 0.001 to 9.999 s --- --- --- H5CN-XZNS 0.001 to 99.99 s H5CN-XANM H5CN-XAN H5CN-YAN H5CN-XANS 0.1 to 999.9 s H5CN-XBNM H5CN-XBN H5CN-YBN --- 1 s to 99 min 59 s H5CN-XCNM H5CN-XCN H5CN-YCN --- (See note 3.) 1 min to 99 h 59 min H5CN-XDNM H5CN-XDN H5CN-YDN --- (See note 3.) Note: 1. Specify both the model number and supply voltage when ordering. Example: H5CN-XAN 12 to 48 VDC Supply voltage 2. The H5CN-X@NM does not support power resetting. 3. The numerical display for the second digit from the right is 0, 1, 2, 3, 4, 5 ..., 0. ■ Accessories (Order Separately) Name Models Flush Mounting Adapter Y92F-30 Track Mounting/Front 8-pin P2CF-08 Connecting Socket 11-pin P2CF-11 Back Connecting Socket 8-pin P3G-08 11-pin P3GA-11 Protective Cover Hard Cover Y92A-48B Soft Cover Y92A-48D Mounting Track 50 cm (I) × 7.3 mm (t) PFP-50N 1 m (I) × 7.3 mm (t) PFP-100N 1 m (I) × 16 mm (t) PFP-100N2 End Plate PFP-M Spacer PFP-S 2 H5CN Specifications ■ Ratings Item Contact output Transistor output Rated supply voltage 100 to 240 VAC (50/60 Hz), 12 to 48 VDC (permissible rip- 12 to 48 VDC (permissible ripple: 20% max.) ple: 20% max.) (See note 1.) Operating voltage 85% to 110% of rated supply voltage range Power consumption Approx. 12 VA at 240 VAC Approx. 2.5 W at 48 VDC Approx. 2.5 W at 48 VDC Mounting method Surface mounting or flush mounting Display 7-segment LEDs (10-mm-high characters), UP indicator Input method Contact open and short-circuit input Open-collector transistor ON/OFF input Resetting system and Reset by power-OFF (See note 2.): gate input min. power OFF time: 0.5 s External reset or gate (common to contact and transistor inputs): min. reset input signal width: 0.02 s; residual voltage: 2 V max. Output mode N mode (Power ON-delay) Control outputs SPDT: 3 A at 250 VAC, resistive load (cosφ = 1) Open collector: 100 mA max. at 30 VDC max. Ambient temperature Operating:–10°C to 55°C (with no icing or condensation) Storage:–25°C to 65°C (with no icing or condensation) Ambient humidity Operating: 35% to 85% Case color Light gray (Munsell 5Y7/1) Note: 1. Models with memory backup function are available only for AC power. 2. The H5CN-X@NM cannot be reset by turning OFF the power. ■ Characteristics Accuracy of operating time ±0.01% ±0.05 s max. (see note 1), ±0.005% ±0.03 s max. (see note 2) (see note 3) Setting error Influence of voltage Influence of temperature Insulation resistance 100 MΩ min. (at 500 VDC) (between current-carrying terminal and exposed non-current carrying metal parts, between power supply circuit and control output circuit) Dielectric strength 2,000 VAC, 50/60 Hz for 1 min (between current-carrying terminal and exposed non-current-carrying metal parts, between power supply circuit and control output circuit) Impulse withstand voltage 6 kV (between power supply terminal) 6 kV (between current-carrying terminal and exposed non-current carrying metal parts) Noise immunity Square-wave noise by noise simulator AC: ±2 kV (between power supply terminals) DC: ±480 V (between power supply terminals), ±500 V (between input terminals) Static immunity Malfunction: 8 kV Vibration resistance Destruction:10 to 55 Hz with 0.75-mm single amplitude each in 3 directions for 2 hours each Malfunction:10 to 55 Hz with 0.5-mm single amplitude each in 3 directions for 10 minutes each 2 Shock resistance Destruction:300 m/s 3 times each in 6 directions 2 Malfunction:100 m/s 3 times each in 6 directions Life expectancy Mechanical:10,000,000 operations min. Electrical:100,000 operations min. (3 A at 250 VAC, resistive load) Memory backup storage method Non-volatile memory (Number of writes: 1 million times, Data retention: 10 years) (see note 4) Weight Approx. 110 g Note: 1. When timer operation is started by power application. This does not apply to the H5CN-X@NM. The H5CN-X@NM cannot be reset by tuning OFF the power. 2. When timer operation is started after a reset input has been applied. 3. These values represent the total accuracy of the timer including the repeat accuracy, setting error, and variation due to voltage and tem- perature changes. Note that they also comprise errors due to the rise time of the power source and the operating times of the internal and output circuits. 4. This applies only to the H5CN-X@NM. 3 H5CN ■ Applicable Standards Approved safety standards UL508/CSA C22.2 No. 14 conforms to EN61812-1 (Pollution degree 2/overvoltage category III) CCC: Pollution degree 2, Overvoltage category II EMC (EMI) EN61812-1 Emission Enclosure: EN55011 Group 1 class A Emission AC mains: EN55011 Group 1 class A (EMS) EN61812-1 Immunity ESD: IEC61000-4-2 Immunity RF-interference: IEC61000-4-3 Immunity Burst: IEC61000-4-4 Immunity Surge: IEC61000-4-5 Immunity Conducted Disturbance: IEC61000-4-6 Immunity Voltage Dip/Interruption:IEC61000-4-11 ■ Life-test Curve (Reference Values) 1,000 700 500 300 100 70 50 30 VDC cosφ =1 30 250 VAC cosφ =1 10 250 VAC cosφ =0.4 7 30 VDC L/R = 7 ms 5 01 2 3 4 Load current (A) A maximum current of 0.15A can be switched at 125 VDC (cosφ = 1) Maximum current of 0.1 A can be switched if L/R is 7 ms. In both cases, a life of 100,000 operations can be expected. The minimum applicable load is 10 mA at 5 VDC (failure level: P reference value). 4 4 Number of switching operations (×10 times) H5CN Connections ■ Block Diagram H5CN-@@N (without Memory Backup) Using an AC Power Supply (Contact Outputs) Thumbwheel switch 7-segment indicator Initial circuit Microcomputer Quartzcrystal oscillator circuit Output Power interruption detection circuit circuit Reset input Gate input a Filter Filter UP display Filter Note: 1. If the reset input is short-circuited (between ter- minals A and C), immediately the count circuit 4 5 is reset to 0 and the control output relay is reset Signal insulation circuit 3 6 to OFF. The timer starts as soon as the reset in- 2 7 put is opened (between terminals A and C). 1 8 2. If the gate input is short-circuited (between termi- nals A and D), the count circuit stops immedi- Rectifier Switching /smoothing circuit circuit ately. The timer then restarts as soon as the gate input is opened (between terminals A and D). Using a DC Power Supply (Transistor Outputs) Note: The following block diagram shows the differences for the equivalent section indicated by “a” in the above block diagram. Reset input Gate input Filter Filter Filter Constant voltage circuit Power supply circuit Note: Terminals 1 and 2 are connected internally. H5CN-X@NM (with Memory Backup) Thumbwheel switch 7-segment Non-volatile memory indicator Initial circuit Microcomputer Quartzcrystal oscillator circuit Output Power interruption detection circuit circuit Gate input Reset input Filter Filter UP display Filter Note: 1. If the reset input is short-circuited (between termi- nals C and G), immediately the count circuit is 6 5 7 initialized and the control output relay is reset to Signal insulation circuit 4 8 OFF. The timer starts as soon as the reset input is 3 9 opened (between terminals C and G). 2 10 1 11 2. If the gate input is short-circuited (between termi- nals C and E), the count circuit stops immediate- Rectifier Switching /smoothing circuit circuit ly. The timer then restarts as soon as the gate input is opened (between terminals C and E). 5 H5CN ■ Terminal Arrangement H5CN-@@N (without H5CN-X@NS (without H5CN-X@NM (with Memory Backup) Memory Backup) Memory Backup) Contact Output Transistor Output Contact Output Internal circuit Internal circuit Gate Reset Gate Gate 4 5 Internal circuit Reset 4 5 6 3 6 5 7 Reset 3 6 Contact 4 8 2 7 output 3 9 7 2 1 8 2 10 1 8 1 11 (-) (+) (-) (+) • Terminals 1 and 2 are internally connected for Timers with DC power. • A diode is internally connected between terminals E and F for the H5CN-X@NS to absorb counterelectromotive force that occurs when an inductive load is connected. ■ Power Connection H5CN-@@N and H5CN-X@NS H5CN-X@NM (with Memory Backup) (without Memory Backup) AC Power DC Power 12 to 48 VDC 100 to 240 VAC 100 to 240 VAC • Do not allow the applied power supply to exceed the operating voltage range. • Make sure that the polarity of the DC power supply is correct. ■ Input Connection Reset Input Connection Connection of the reset input contact or an open collector transistor between terminals A and C (between terminals C and G for models with backup power for memory protection) permits the timer to reset when contact is made or the transistor turns ON. Use of a high-reliability gold- plated contact is recommended for the reset input. For the reset input transistor, select the one satisfying the following electrical ratings: V = 20 V min. CEO IC = 50 mA min. I (leakage current) = 0.5 μA max. CEO V (residual voltage) = 2 V max. CE(sat) H5CN-@@N and H5CN-X@NS H5CN-X@NM (with Memory Backup) (without Memory Backup) Gate input Reset input Reset input contact contact transistor (Timer stops Reset input (Timer resets (Timer resets Reset input when contact contact when contact is when transistor transistor (Timer resets is made.) made.) is ON.) (Timer resets when contact is when transistor made.) is ON.) 6 H5CN Gate Input Connection Connection of the gate input contact or an open collector transistor between terminals A and D (between terminals C and E for models with backup power for memory protection) permits the timer to stop operation while contact is made or the transistor turns ON. Use of a high-reliability gold-plated contact is recommended for the gate input. For the gate input transistor, select the one satisfying the following electrical ratings: V = 20 V min. CEO IC = 50 mA min. I (leakage current) = 0.1 mA max. CEO V (residual voltage) = 2 V max. CE(sat) Use a gate input contact with a short bounce time because the contact bounce time causes an error in the operate time of the timer for a period equalling the bounce time. H5CN-@@N and H5CN-X@NS H5CN-X@NM (with Memory Backup) (without Memory Backup) Gate input Gate input transistor contact Gate input Gate input (Timer stops (Timer contact transistor when stops when (Timer stops (Timer stops transistor is contact is when contact when ON.) made.) is made.) transistor is ON.) ■ Output (Load) Connection H5CN-X@N (without Memory Backup) H5CN-@@NS (without Memory Backup) Contact Output Type Transistor Output Load 1 connected in series with NO contact (between terminals F Voltage is applied to the load after the set time has lapsed. and H) is normally open, and the load circuit voltage will be applied after the lapse of the set time. The load circuit voltage is normally applied to load 2 connected in series with NC contact (between terminals E and H), which will be open after the lapse of the set time. Load Load circuit voltage Load 2 (30 VDC max.) Load circuit voltage Load 1 Note: The maximum load current is 100 mA. (250 VAC, 30 VDC max.) Note: The maximum load current is 3 A (resistive load). H5CN-X@NM (with Memory Backup) Contact Output Load 1 connected in series with NO contact (between terminals I and K) is normally open, and the load circuit voltage will be applied to it after the lapse of the set time. The load circuit voltage is normally applied to load 2 connected in series with NC contact (between terminals H and K), which will be open after the lapse of the set time. Load 2 Load circuit voltage (250 VAC, Load 1 30 VDC max.) Note: The maximum load current is 3 A (resistive load). 7 H5CN Operation ■ Timing Chart Digital Display UP Display DOWN Display Power ON Time up Power ON Time up Reset input Reset input Gate input Gate input Setting value Setting value Digital display Digital display 0 0 Power supply Power supply Control output Control output Time up indication Time up indication 8 No digital display No digital display H5CN Dimensions Note: All units are in millimeters unless otherwise indicated. ■ Dimensions without Flush Mounting Adapter H5CN-X@N/-Y@N/-X@NS (Flush Mounting/Surface Mounting Models) 6 48 44.8 × 44.8 14.2 48 (10.9) 72.5 8 pins 97.6 H5CN-X@NM (Flush Mounting/Surface Mounting Models) 6 48 44.8 × 44.8 14.2 48 (10.9) 72.5 11 pins 97.6 ■ Dimensions with Flush Mounting Adapter H5CN-X@N/-Y@N/-X@NS (Adapter Ordered Separately) Panel Cutout Y92F-30 (order separately) The standard panel cutout is as below. Panel Flush Mounting Adapter (Panel cutout conforms to DIN 43700.) P3G-08 (order separately) +0.6 Back Connecting Socket 45 −0 Radius: +0.6 0.5 max. 45 −0 Gang-mounting of more than 2 units (horizontally) 95.1 Radius: 0.5 max. +0.6 45 −0 H5CN-X@NM (Adapter Ordered Separately) N Y92F-30 (order separately) Panel Flush Mounting Adapter Note: 1. Panel thickness: 1 to 5 mm P3GA-11 (order separately) Back Connecting Socket 2. When gang-mounting the Unit, the orientation of the Adapter must be changed depending on whether Units are mounted horizontally or vertically. 3. No cover: +1 N = (48n − 2.5) /−0 With hard cover: +1 N = {48n − 2.5 + (n − 1) x 3} /−0 ■ Dimensions with Front Connecting Socket Flush Mounting H5CN H5CN -@@N, -X@NM -X@NS H5CN H5CN -@@N, -X@NM -X@NS + + adapter adapter P2CF-11(E) P2CF-08(E) Note: These dimensions vary with the kind of DIN track (reference value). 9 ▲ ▲ H5CN ■ Accessories (Order Separately) Note: All units are in millimeters unless otherwise indicated. Track Mounting/Front Connecting Socket Terminal Arrangement/ 3 4.5 Eight, P2CF-08 7.8 M3.5 x 7.5 sems Internal Connections (Top View) Surface Mounting Holes Two, 4.5 dia. or two, M4 70 max. 35.4 Two, 4.5 dia. holes 40±0.2 4 50 max. 20.3 max. 20.3 max. Track Mounting/Front Connecting Socket Terminal Arrangement/ P2CF-11 Eleven, 3 4.5 Internal Connections M3.5 x 7.5 sems 7.8 Surface Mounting Holes (Top View) Two, 4.5 dia. or two, M4 70 max. 35.4 40±0.2 Two, 4.5 dia. holes 4 50 max. 31.2 max. Back Connecting Socket Terminal Arrangement/ 27 dia. Internal Connections P3G-08 (Bottom View) 45 45 4.9 17 P3GA-11 Terminal Arrangement/ 27 dia. Internal Connections (Bottom View) 45 25.6 4.5 6.2 45 16.3 10 H5CN Note: 1. The Hard Protective Cover prevents the set count value ■ Protective Cover from being altered due to accidental contact with the push- type thumbwheel switch. The Protective Cover shields the front panel, particularly the count value setting section from dust, dirt and water, and prevent 2. The Soft Protective Cover allows the set value to be set by malfunctioning of the Timer due to static electricity. depressing the thumbwheel switches through it. It may be, however, difficult to make setting changes of the Timer with the Y92A-48B Protective Cover attached, which must be taken into consideration before using the Y92A- 48B Protective Cover. Y92A-48B (Hard cover) Y92A-48D (Soft cover) (see note 1) (see note 2) Mounting Track PFP-100N2 PFP-100N, PFP-50N 16 7.3±0.15 4.5 4.5 24 29.2 27 35±0.3 35±0.3 27±0.15 25 25 15 15 25 25 25 25 1.5 15 25 25 * 1 1 10 10 10 10 1,000 1,000 (500) (See note.) Note: The values shown in parentheses are for the PFP-50N. End Plate Spacer PFP-M PFP-S 16 10 5 12 6.2 1.8 1 35.5 35.3 50 34.8 44.3 1.8 11.5 1.3 10 M4 x 8 4.8 pan head 16.5 screw 11 H5CN Safety Precautions ● Be sure to read the precautions for all Timers in the website at: http://www.ia.omron.com/. Warning Indications Precautions for Safe Use Indicates a potentially hazardous situation which, if not avoided, may • Make sure the proper product is specified for the application. CAUTION result in minor or moderate injury or in • For correct use, do not subject the product to the following conditions. property damage. • Dramatic temperature fluctuations Supplementary comments on what to Precautions for do or avoid doing, to use the product • High humidity or where condensation may occur Safe Use safely. • Severe vibration and shock Supplementary comments on what to • Where excessive dust, corrosive gas, or direct sunlight may be Precautions for do or avoid doing, to prevent failure to present operate, malfunction or undesirable Correct Use • This product is not waterproof or oil resistance. Do not use the effect on product performance. product in any of the places subject to splashing liquid or oil atmosphere. Meaning of Product Safety Symbols • Use and store the product within the rated ranges given for the product model you are using. If necessary, use forced cooling. If the product is stored below −10°C, allow it to warm up for three Used to warn of the risk of electric shock under hours at room temperature before turning ON the power supply. specific conditions. • Do not cover the vent holes on the products and the area around the product in order to ensure thermal dissipation. • Wiring all terminals correctly. Used for general prohibitions for which there is no • Do not wire the terminals which are not used. specific symbol. • Use specified size crimped terminals (M3.5, thickness 7.2 mm max.) for wiring with a gage of AWG 24 to AWG 18 (equal to a 2 cross section area of 0.205 to 0.823 mm ). (The wiring stripping length is 5 to 6 mm.) Used for general mandatory action precautions Up to two wires of same size and type, or two crimped terminals for which there is no specified symbol. can be inserted into a single terminal. • Use this product within the rated power supply voltage and control output. CAUTION • Use a switch, relay, or other contact to turn the power supply ON Do not touch the terminals while power is being instantaneously. If the voltage is applied gradually, the power may supplied. Doing so many occasionally result in minor not be reset or output malfunctions may occur. injury due to electric shock. • Do not apply the supply voltage directly from external to transistor output. Do not use the product where subject to flammable or • Interlock the power to the product with a relay so that the product explosive gas. will not be left in an output on condition for long periods. Leaving Otherwise, minor injury from explosion may the product in an output-on condition for a month or longer, occasionally occur. especially in places with high temperatures, may result in deterioration to internal parts, such as an electrolytic capacitor. Never disassemble, modify or repair the product or touch any of the internal parts. Minor electric shock, fire, • Internal circuit voltage (5 V) is output to the no- or malfunction may occasionally occur. voltage input terminals, which may cause some Sensor connected devices to malfunction or fail. Check the The life expectancy of output relays varies considerably specifications of the input device (e.g., rated output with the output load and switching conditions. Always voltage or whether a power supply circuit diode is consider the application conditions and use the output 0V Input built in). relays within their rated load and electrical life To prevent power supply devices from being subjected to charging expectancy. If the output relays are used past their life accidents, connect a diode as in the figure when using a power expectancy, contact fusing or burning may occasionally supply voltage of 5 V or less to operate input devices that do not occur. Also, never exceed the rated load current. When have a diode built into the power supply circuit. using a heater, surely use a thermo switch in the load • Check that the LED indicators are operating normally. Depending circuit. on the operating environment, the indicators and plastic parts may Tighten the terminal screws to between 0.74 and 0.90 deteriorate faster than expected, causing the indicators to fail. N·m. Periodically perform inspections and replacements. Loose screws may occasionally result in fire. • Use tools when separating parts for disposal. • When disposing of the product, observer all local ordinances as Do not allow pieces of metal, wire clippings, or fine they apply. metallic shavings or filings from installation to enter the product. Doing so may occasionally result in electric Precautions for Correct Use shock, fire, or malfunction. • Inrush current will be carried when turning on the power. If the capacity of the power for the product is insufficient, the product cannot start. Use a power supply, breakers, contacts which sufficient capacity. 100 to 240 VAC specifications Approx. 0.8 A for 264 VAC 12 to 48 VDC specifications Approx. 0.4 A for 52.8 VDC • Since 50 ms after the power is turned ON is required as the raise time of the internal circuit voltage, note that the product may not operate in response to any input signal during this period. 12 H5CN • Since100 ms after the power is turned OFF (or momentary power Operation Examples failures) is required as the fall time of the internal circuit voltage, • During Incremental Operation note that the product may respond to input signals during this If the set value is changed to a value higher than the currently period. displayed present value, the timer will time out for the new set value. ON Power supply • During Decremental Operation OFF 50 ms 100 When the set value changes, the difference between the new set Input can be received value and old set value will be added or subtracted from the Input reception Operation present value. unstable • Models without power failure memory backup will operate as Example: shown in the following figure if the power supply is momentarily interrupted. Old set value New set value 200 s -> 100 s ON Power Present value Present set value OFF (before changing setting) (after changing setting) Momentary power Operation after power interruption is recovered 160 s -> 60 s 0.5 s min. Displays and outputs will be reset. Power Supply 0.01 s max. The status before the power interruption will be Leave the power supply OFF for at least 0.5 s before turning it back held. ON (power supply reset). 0.01 to 0.5 s Operation will be unstable, i.e., one of the above operations will be performed. Inputs and Outputs Note: Use a Timer with power failure backup memory (models ending • Do not apply voltage externally to input terminals A, C, and D. with -M) if holding the status before the power failure is required • When using contacts for the reset input and gate input, use gold- when the power is interrupted. plated contacts with good contact reliability. Use gate input • All number display digits on the Timer will be OFF when the reset contacts with short contact bounce (chattering). signal is input. When the reset signal is completed, the numeric display will show the reset value. Power Failure Backup Memory • Model H5CN 12-48 VDC specification use transformer-less power supply which the power terminals and input terminals are not • The product memorizes the status just before occurring the electric insulated. When use this specification, the internal parts of the failure memory with non-volatile memory. The rewriting lifespan of product may be occasionally burnt (damaged) if the wiring is not the non-volatile memory is 1,000,000 or more. The non-volatile correct. Pay attention to check the wiring before use. memory rewrites the setting condition into the initial setting one • The H5CN Timer is capable of reading the input data at any time when the power OFF. (-M type only) during normal operation. This means that the set time can be changed during power application. This feature sets back the output from the timer by temporarily setting the longer time or ■ Self-diagnostic Function quickens the output by setting the shorter time. During normal operation, the set time may be accidentally changed by touching a When an error has occurred, the bellow error codes are shown. thumbwheel switch causing the timer to operate with a different set time. To prevent this possibility, use the optional Y92A-48B 7 segment Time UP Description Output display display Protective Cover. • When the set time is all zeroes (e.g., 000.0 s or 00 h 00 min), there e1 OFF CPU error OFF will be a momentary control output upon power application, which e2 OFF Memory error (RAM) OFF can be used to check normal output. When changing the set time e3 OFF Memory error OFF during normal operation, pay special attention not to alter the set value to this all zeroes. (non-volatile memory)* • When changing the set time while power is being supplied, an * Including the case when the rewriting lifespan of the nonvolatile inadequate push of the thumbwheel switches will display two memory is reached. numbers in one digital display window, causing the operating count to drift widely. Therefore, press the thumb-wheel switches surely. Recovery method Take particular care when the other three digits are all zeroes, As an action, turn the power OFF then back ON again. If the display because the improper setting of the fourth switch to create four restored to normal, then a probable cause can be external noise zeroes will cause an instantaneous output. affecting the system. Check for external noise. In the case of e3, input gate (“0000” will be displayed) and turn power ON again. After Undesirable changes in the settings that, if it still remains the same, the product must be repaired. hours min min sec ■ Changes in Specifications Undesirable changes in the The Timer manufactured in April 2014 or after will be settings upgraded. The major changes are described below. • Backup Battery Connection to Timers with Memory Backup Previously, an external backup battery was required for Timers with memory backup, but the Timer has been upgraded so that the external battery is no longer necessary. Conceivable 00h00min 5 min 30 s operating time (Instant output) • Take particular care with the H5CN-@Z@, which is capable of setting in 1/1000th of a second because there is an error of between 0.03 to 0.05 ms. (Repeat accuracy is 1 to 2 ms.) 13 H5CN Conformance to EN/IEC Standards • When conforming to EMC standards, refer to the information provided in datasheet for cable selection and other conditions. • This is a class A product. In residential areas it may cause radio interference, in which case the user may be required to take adequate measures to reduce interference. • 100-240 VAC types: There is basic insulation between the power supply terminals and input terminals, and between power supply terminals and output terminals, and between input and output terminals. 12-48 VDC types: No insulation is provided between the power supply and input terminals. There is basic insulation between power supply terminals and output terminals, and between input and output terminals. • If double or reinforced insulation is required, use the double or reinforced insulation defined in IEC 60664 that is suitable for the maximum applied voltage for the clearance, solid insulation, and other factors. ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527. In the interest of product improvement, specifications are subject to change without notice. 14 Terms and Conditions Agreement Read and understand this catalog. Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questions or comments. Warranties. (a) Exclusive Warranty. Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron). Omron disclaims all other warranties, express or implied. (b) Limitations. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCTS. BUYER ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. Omron further disclaims all warranties and responsibility of any type for claims or expenses based on infringement by the Products or otherwise of any intellectual property right. (c) Buyer Remedy. Omron’s sole obligation hereunder shall be, at Omron’s election, to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or replacement thereof) the non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount equal to the purchase price of the non-complying Product; provided that in no event shall Omron be responsible for warranty, repair, indemnity or any other claims or expenses regarding the Products unless Omron’s analysis confirms that the Products were properly handled, stored, installed and maintained and not subject to contamination, abuse, misuse or inappropriate modification. Return of any Products by Buyer must be approved in writing by Omron before shipment. Omron Companies shall not be liable for the suitability or unsuitability or the results from the use of Products in combination with any electrical or electronic components, circuits, system assemblies or any other materials or substances or environments. Any advice, recommendations or information given orally or in writing, are not to be construed as an amendment or addition to the above warranty. See http://www.omron.com/global/ or contact your Omron representative for published information. Limitation on Liability; Etc. OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE OR STRICT LIABILITY. Further, in no event shall liability of Omron Companies exceed the individual price of the Product on which liability is asserted. Suitability of Use. Omron Companies shall not be responsible for conformity with any standards, codes or regulations which apply to the combination of the Product in the Buyer’s application or use of the Product. At Buyer’s request, Omron will provide applicable third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself is not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine, system, or other application or use. Buyer shall be solely responsible for determining appropriateness of the particular Product with respect to Buyer’s application, product or system. Buyer shall take application responsibility in all cases. NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCT(S) IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM. Programmable Products. Omron Companies shall not be responsible for the user’s programming of a programmable Product, or any consequence thereof. Performance Data. Data presented in Omron Company websites, catalogs and other materials is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of Omron’s test conditions, and the user must correlate it to actual application requirements. Actual performance is subject to the Omron’s Warranty and Limitations of Liability. Change in Specifications. Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our practice to change part numbers when published ratings or features are changed, or when significant construction changes are made. However, some specifications of the Product may be changed without any notice. When in doubt, special part numbers may be assigned to fix or establish key specifications for your application. Please consult with your Omron’s representative at any time to confirm actual specifications of purchased Product. Errors and Omissions. Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is assumed for clerical, typographical or proofreading errors or omissions. 2017.4 In the interest of product improvement, specifications are subject to change without notice. OMRON Corporation Industrial Automation Company http://www.ia.omron.com/ (c)Copyright OMRON Corporation 2017 All Right Reserved.