Buzzer (Cylindrical 16-dia.) M2BJ CSM_M2BJ_DS_E_4_1 Buzzer Unit Series with Cylindrical 22-mm × 16-dia. Body • Lineup includes standard-volume models (80 phons, constant) and high-volume models (70 to 95 phons, variable). Intermittent or continuous sound can be selected. Refer to “Safety Precautions for All Pushbutton Switches” and “Safety Precautions” on page 5. List of Models Buzzer Appearance Model Rectangular standard-volume model M2BJ-B Rectangular high-volume model M2BJ-BH 1 M2BJ Ordering Information Appearance Standard sound High sound *1 Intermittent Intermittent Intermittent Intermittent Intermittent w/jumper direction A *2 Intermittent (short) (high-pitched) (short, high-pitched) (high-pitched) (short) w/jumper direction B *2 Continuous Intermittent Continuous Intermittent Continuous Intermittent (w/o jumper) (long) (high-pitched) (long, high-pitched) (long) Supply voltage 6 VAC/VDC M2BJ-B06 M2BJ-B06A M2BJ-B06B M2BJ-B06C M2BJ-BH06D M2BJ-BH06E 12 to 24 VAC/VDC Model M2BJ-B24 M2BJ-B24A M2BJ-B24B M2BJ-B24C M2BJ-BH24D M2BJ-BH24E 12 to 24 VDC M2BJ-B24-D --- M2BJ-B24B-D --- M2BJ-BH24D-D M2BJ-BH24E-D *1.High-sound models incorporate an LED, which lights when the Buzzer sounds. *2.Refer to “Short-circuiting Jumper (M2BJ-BTH)” on page 5 for the insert direction of the jumper. External Signal Selection Model (M2BJ-BH24D-DA) • An external signal selection model is also available. With this model, it is possible to switch between continuous and intermittent sound using an external signal instead of the jumper. • SW: M2BJ-BH24D-DA When A direction is ON (terminals 1, 2 ON): intermittent sound When B direction is ON (terminals 2, 3 ON): continuous sound B SW A Note: 1. Ensure that voltage is not applied simultaneously between terminals 1, 2, and 3. 2. Check the power supply polarity. Connecting with the polarity reversed may result in damage. 2 123 M2BJ Specifications Buzzer Model Standard-sound Models Item M2BJ-B06 M2BJ-B06A M2BJ-B06B M2BJ-B06C Operating voltage 6 VAC/VDC Sound pressure (at 0.1 m and rated voltage) Continuous sound: 80 dB (phons) min. Driving frequency 2±0.5 kHz 4±0.5 kHz *2 Long:55 times/minute±10% *4 Long:55 times/minute±10% Intervals 190 times/minute±10% 190 times/minute±10% *1 Short:700 times/minute±10% *3 Short:700 times/minute±10% DC 7 mA max. 20 mA max. Current consumption AC 20 mA max. Inrush current 1 A max. Life expectancy 1,000 hours min. Insulation resistance 100 MΩ min. (between ground and current-carrying parts) Dielectric strength 1,000 VAC for 1 minute (between grounds) Ambient operating temperature −10°C to 55°C (no icing or condensation) Ambient operating humidity 35% to 85%RH Ambient storage temperature −25°C to 65°C (no icing or condensation) Degree of protection IP 40 Weight Approx. 9 g Model Standard-sound Models M2BJ M2BJ M2BJ-B24A M2BJ-B24C M2BJ-B24-D M2BJ-B24B-D Item -B24 -B24B Operating voltage 12 to 24 VAC/VDC 12 to 24 VDC Sound pressure (at 0.1 m and rated voltage) Continuous sound: 80 dB (phons) min. Driving frequency 2±0.5 kHz 4±0.5 kHz 2±0.5 kHz 4±0.5 kHz *2 Long:55 times/minute±10% *4 Long:55 times/minute±10% 190 times/ 190 times/ Intervals 190 times/minute±10% minute±10% minute±10% *1 Short:700 times/minute±10% *3 Short:700 times/minute±10% DC 7 mA max. 20 mA max. 7 mA max. 20 mA max. Current consumption AC 20 mA --- Inrush current 1 A max. --- Life expectancy 1,000 hours min. Insulation resistance 100 MΩ min. (between ground and current-carrying parts) Dielectric strength 1,000 VAC for 1 minute (between grounds) Ambient operating temperature −10°C to 55°C (no icing or condensation) Ambient operating humidity 35% to 85%RH Ambient storage temperature −25°C to 65°C (no icing or condensation) Degree of protection IP 40 Weight Approx. 9 g Model High-sound Models Item M2BJ-BH06D M2BJ-BH24D M2BJ-BH06E M2BJ-BH24E M2BJ-BH24D-D M2BJ-BH24E-D Operating voltage 6 VAC/VDC 12 to 24 VAC/VDC 6 VAC/VDC 12 to 24 VAC/VDC 12 to 24 VDC Sound pressure (The sound pressure can be adjusted. The figure for sound 70 to 95 dB (phons) pressure given above is for measurement at a distance of 0.1 m at the rated voltage.) Driving frequency 3±0.5 kHz *6 Long: Approx. 55 times/min. *6 Long: Approx.55 times/min. Intervals Approx. 190 times/min. Approx.190 times/min. *5 Short: Approx. 700 times/min. *5 Short: Approx.700 times/min. DC 50 mA max. Current consumption AC 100 mA max. --- Inrush current 1 A max. --- Life expectancy 1,000 hours min. Insulation resistance 100 MΩ min. (between ground and current-carrying parts) Dielectric strength 1,000 VAC for 1 minute (between grounds) Ambient operating temperature −10°C to 55°C (no icing or condensation) Ambient operating humidity 35% to 85%RH Ambient storage temperature −25°C to 65°C (no icing or condensation) Degree of protection IP 40 Weight Approx. 12 g *Tone *1 Bird cry High volume *2 Telephone busy signal Standard volume *3 Short beeps Continuous (high pitch) *4 Long beeps *5 Alternating high-low pitch High volume Intermittent *6 Long beeps 3 M2BJ Dimensions (Unit: mm) Standard-sound Models M2BJ-B Panel cutout (Top view) +0.2 16 dia. 0 24 min. 14 dia. Turn-lock metal 18 min. Sound outlet Jumper (for switching intermittent sound) High-sound Models 16 28.5 M2BJ-BH 9.5 0.3 4 Panel cutout (Top view) +0.2 16 dia. 26 min. 0 8.4 11 14.6 dia. Turn-lock metal 13.5 LED(RED) Mounting ring 9.5 Slit 20 min. M16×1 5.8 20 5.8 9 22 Short-circuit Note: The LED lights while the sound is produced. 26 terminal For intermittent sound, the LED flashes (for switching synchronized with the sound. Control knob sound) (Groove width 0.6 x length 2.5 x depth 0.8) Contact Form All Models (Standard and High-sound Models) Jumper Terminal Hole Dimensions Terminal Arrangement (Bottom view) Power supply Note: There is no +/− polarity. 4 M2BJ Safety Precautions Refer to Safety Precautions for All Pushbutton Switches. Precautions for Correct Use Application Precautions Short-circuiting Jumper (M2BJ-BTH) • When power is supplied, there is an inrush current of up to 1 A. • The Buzzer sounds continuously or intermittently depending on Confirm that this will not adversely affect operation or damage any how the short-circuiting bracket is attached to the case guide. devices before using the M2BJ in application. There is no inrush When the bracket is attached with the triangle on it facing direction current with DC-only models (M2BJ-@@@-D). A (PC board side), the Buzzer sounds intermittently. • With models that can use both AC and DC, residual energy in the • To produce continuous sounds, attach the bracket to the case internal capacitor may cause residual sound. guide so that the triangle on the bracket faces direction B. • The bracket is set in direction A when ship the product. If the Wiring bracket becomes lost, contact your OMRON representative. The • Perform soldering promptly and correctly at a temperature of 350°C model number to order is M2BJ-BTH. within 3 seconds.Wait for one minute after soldering before exerting Case guide any external force on the solder. • If flux is required, use non-corrosive rosin liquid. Ensure that the flux Direction A does not penetrate the inside of the case. • In order to improve the reliability of the soldering and to prevent pattern burnout, loop the wire through the terminal hole before soldering. Direction B • In order to fit the terminal holes, use lead wires with a nominal cross Bracket 2 sectional area of 0.25 mm max. Operating Environment Short-circuit Bracket Mounting Location • Do not use the Buzzer in environments where foreign substances may enter the sound outlet. Otherwise, the Buzzer may not sound. PC board Volume Adjustment Mechanism (M2BJ-BH Only) Bracket • Adjust the volume by turning the control knob on the face of the Buzzer using a screwdriver. Turn to the right to increase the volume and turn to the left to decrease the volume. • Turn the control knob with a torque of 0.98 to 2.94 mN·m. Case guide LED Control knob 5 Terms and Conditions of Sale 1. Offer; Acceptance. 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