I/O Modules Thermocouple Input Modules FEATURES  Wide Variety of Input Types  Standard Package and Pin-out  Single 5V Power Supply  12-Bit Resolution  Optical Isolation from Input to Output  Cold Junction Temperature Compensated Connector Included  Intermix With G5 Digital Modules on the Same Rack  Meets the Requirements of IEEE 472  UL, CSA, CE Certified (OpenLine only) 73L-IT 73G-IT CIRCUITRY G5 G5: Connector Wiring T COLD THERMO- REFERENCE COUPLE T AMP + – 1 N/C OMEGA CONNECTOR 2 N/C TYPE SMP V/F INCLUDED + – VS DC/DC +5V 3 MODULE CONVERTER VS- VS SQUARE- 10KΩ Thermocouple Wire Colors WAVE 4 OUTPUT Type + – GROUND 5 J White Red K Yellow Red T Blue Red R Black Red ® ® OpenLine OpenLine : Connector Wiring I/O MODULE CH. A CH. B PIN # – + – + 5.23K 9 NC 1 1 MODULE ID SIGNAL CONDITIONING 8 RXD + – COLD NC 2 2 JUNCTION OPTICAL OMEGA A/P µP TEMP. ISOLATION CONNECTOR COMP. 7 TXD TYPE SMP INCLUDED + – NC 3 3 10K SIGNAL MODULE CONDITIONING Vs 6 Vcc ISOLATED COLD Thermocouple Wire Colors DC/DC NC 4 4 JUNCTION CONVERTER TEMP. 5 – GND Type + – COMP. TERMINAL Vs BLOCK # J White Red K Yellow Red T Blue Red R Black Red I/O 32 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com ISOLATION I/O Modules Thermocouple Input Modules SPECIFICATIONS: By Part Number Type/Function Grayhill Part Number G5 73G-ITCJ 73G-ITCK 73G-ITCR 73G-ITCT Specifications Units Number of Inputs 1 Ch. 1 Ch. 1 Ch. 1 Ch. Resolution bits 12 12 12 12 °C/count 0.18 0.25 0.23 0.10 1, 2 Absolute Accuracy @ 25°C °C +/- 3.0 +/- 3.0 +/- 3.0 +/- 3.0 2 Accuracy Drift w/Temp. Maximum Offset PPM/°C +/- 100 +/- 100 +/- 100 +/- 100 Maximum Gain (0 to 60°C) PPM/°C +/- 55 +/- 55 +/- 55 +/- 55 Serial Data Format 12-bit packet 12-bit packet 12-bit packet 12-bit packet Serial Data Packet — — — — 3 Step Response Time mS 2.5 2.5 2.5 2.5 Input Temperature Range °C (°F) 0 to 700 -100 to 924 0 to 960 -200 to 224 (32-1292) (-148-1695) (32-1760) (-328-435) Maximum Overload V —— — — Logic Voltage Range Vdc 4.5 to 5.5 4.5 to 5.5 4.5 to 5.5 4.5-5.5 Maximum Logic Supply Current @ 5V dc mA/Ch. 150 150 150 150 Module ID (Pin 9) KΩ —— — — Isolation Voltage Field to Logic Vrms 2500 2500 2500 2500 Field to Power Vrms 2500 2500 2500 2500 Module to Module Vrms 2500 2500 2500 2500 Channel A to Channel B — — — — Environmental Conditions 3 Operating Temperature °C 0 to 60 0 to 60 0 to 60 0-60 Storage Temperature °C -25 to 85 -25 to 85 -25 to 85 -25-85 Type/Function Grayhill Part Number ® OpenLine 73L-ITCJ 73L-ITCK 73L-ITCT Specifications Units Number of Inputs 2 Ch. 2 Ch. 2 Ch. Resolution bits 12 12 12 °C/count 0.34 0.36 0.16 1, 2 Absolute Accuracy @ 25°C °C +/- 1.0 +/- 1.0 +/- 0.4 2 Accuracy Drift w/Temp. Maximum Offset PPM/°C +/- 50 +/- 50 +/- 50 Maximum Gain (0 to 60°C) PPM/°C +/- 100 +/- 100 +/- 100 Serial Data Format Right Justified,16-bit Right Justified,16-bit Right Justified,16-bit Serial Data Packet 115.2 Kb, N, 8, 2 115.2 Kb, N, 8, 2 115.2 Kb, N, 8, 2 3 Step Response Time mS 100 100 100 Input Temperature Range °C (°F) -210 to 1200 (-346 to 2192) -100 to 1372 (-148 to 2502) -240 to 400 (-400 to 752) Maximum Overload V +/- 6 +/- 6 +/- 6 Logic Voltage Range Vdc 4.75 to 5.25 4.75 to 5.25 4.75 to 5.25 Maximum Logic Supply Current @ 5V dc mA/Ch. 38 38 38 Module ID (Pin 9) KΩ 5.23 5.23 5.23 Isolation Voltage Field to Logic Vrms 2500 2500 2500 Field to Power Vrms 2500 2500 2500 Module to Module Vrms 2500 2500 2500 Channel A to Channel B None None None Environmental Conditions 3 Operating Temperature °C -40 to 85 -40 to 85 -40 to 85 Storage Temperature °C -55 to 100 -55 to 100 -55 to 100 1 Includes offset, gain, non-linearity and repeatability error terms. Available from your local Grayhill Distributor. 2 Accuracy and drift graphs are available in Bulletin #753. For prices and discounts, contact a local 3 Time required for output to change within 1% of final reading. Distributor, a local Sales Office or Grayhill. I/O Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com 33