Analog Current Input Modules FEATURES • Wide Variety of Input Ranges • Standard Package and Pin-out • Single 5V Power Supply • 12-Bit Resolution • Optical Isolation from Input to Output • Intermix With Digital Modules on the Same Rack • Meets the Requirements of IEEE 472 • UL, CSA, CE Certified (OpenLine only) 73L-II 73G-II CIRCUITRY: Voltage Output G5: 0-5A 1 CURRENT SOURCE 5A SECONDARY TRANSFORMER 2 RECTIFY, FILTER, AMPLIFY G5: 4-20mA +1 VOLTAGE CONTROLLED OSCILLATOR CURRENT ˜ SOURCE – FILTER & BUFFER RX 2 AMP OPTICAL ISOLATION VS +5V +5 V SQUAREWAVE OUTPUT VS 3 10KΩ 4 OUTPUT DRIVER CIRCUIT 5 GROUND DC/DC CONVERTER 3 SQUAREWAVE OUTPUT 4 GROUND 5 VS- V/F 10KΩ OpenLine® I/O MODULE PIN # I/O Modules LOOP SUPPLY 1 1 2 2 4-20mA TRANSMITTER – – SIGNAL CONDITIONING AND FILTER + CHANNEL A ISOLATION TWISTED PAIR + 133Ω CH. A A/D CH. B µP 5.23K 9 MODULE ID 8 RXD OPTICAL ISOLATION 7 TXD + TWISTED PAIR + LOOP SUPPLY – 3 4-20mA TRANSMITTER – 4 SIGNAL CONDITIONING AND FILTER 3 4 133Ω 10K CHANNEL B Vs Vs – ISOLATED DC/DC CONVERTER 6 Vcc 5 GND TERMINAL BLOCK # I/O 30 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Analog Current Input Modules SPECIFICATIONS: By Part Number Type/Function Grayhill Part Number G5, OpenLine® Specifications Number of Inputs Resolution Absolute Accuracy @ 25°C1, 2 Accuracy Drift w/Temp.2 Maximum Offset Maximum Gain (0 to 60°C) Serial Data Format Serial Data Packet Step Response Time3 Input Resistance (Rx) Input Current Range Maximum Overload Logic Voltage Range Maximum Logic Supply Current@5Vdc Module ID (Pin 9) Isolation Voltage Field to Logic Field to Power Module to Module Channel A to Channel B Environmental Conditions Operating Temperature3 Storage Temperature 73G-II020 73G-II420 73G-II5000 73L-II020 73L-II420 73L-II222 Units 1 Ch., Diff. 12 4.88 +/- 0.2 1 Ch., Diff. 12 3.91 +/- 0.2 1 Ch., Diff. 12 1221 +/- 0.3 2 Ch., S.E. 12 4.88 0.075 2 Ch., S.E. 12 3.91 0.075 2 Ch., S.E. 12 4.88 0.075 mS ohms mA or A V Vdc mA/Ch. +/- 50 +/- 55 12-bit packet — 2.5 133 +/- 1% 0-20mA — 4.5-5.5 150 +/- 50 +/- 55 12-bit packet — 2.5 133 +/- 1% 4-20mA — 4.5-5.5 120 +/- 150 +/- 150 12-bit packet — 2.5 .020 +/-.02% 0-5A TRMS — 4.5-5.5 160 +/- 25 +/- 75 Right Justified, 16-bit 115.2Kb, N, 8, 2 1.5 133/- 1% 0-20mA 6 4.75-5.25 38 +/- 25 +/- 75 Right Justified, 16-bit 115.2Kb, N, 8,2 1.5 133 +/- 1% 4-20mA 6 4.75-5.25 38 +/- 25 +/- 75 Right Justified, 16-bit 115.2Kb, N, 8,2 1.5 133 +/- 1% 2-22mA 6 4.75-5.25 38 KΩ N/A N/A N/A 5.23 5.23 5.23 Vrms Vrms Vrms 2500 2500 2500 — 2500 2500 2500 — 2500 2500 2500 — 2500 2500 2500 None 2500 2500 2500 None 2500 2500 2500 None °C °C 0 to 60 -25 to 85 0 to 60 -25 to 85 0 to 60 -25 to 85 -40 to 85 -55 to 100 -40 to 85 -55 to 100 -40 to 85 -55 to 100 bits µA/Count % of full scale PPM/°C PPM/°C 1 Includes offset, gain, non-linearity and repeatability error terms. Accuracy and drift graphs are available in Bulletin #753. 3 Time required for output to change to within 1% of final value. 2 Available from your local Grayhill Distributor. For prices and discounts, contact a local Distributor, a local Sales Office or Grayhill. I/O Modules Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com I/O 31