The Allen-Bradley 1771-IGD is a robust digital I/O module designed for efficient current sourcing, featuring sixteen 5V DC TTL input points ideal for high-precision applications. With a customer supply voltage of 5V DC, allowing for a peak-to-peak ripple of just 50 mV, this module offers selectable positive and negative logic states for flexible usage. It requires a backplane current of up to 130 mA and delivers power dissipation between 0.4 W and 2.7 W, while maintaining an isolation voltage of 1500V AC RMS for one second, ensuring both reliability and safety in demanding environments.
Technical specifications for 1771-IGD
Manufacturer
Rockwell Automation
Wiring Arm
1771-WH
Backplane Current
130 mA @ 5VDC
Number of Inputs
16
Module Type
TTL Input module
Part Number/Catalog No.
1771-IGD
Brand
Allen-Bradley
Logic state
Positive and Negative Logic (selectable)
Signal Voltage Rating
Positive Logic: On = 2.0 - 5.25VDC ; Off = -0.2 to 0.8 VDC Negative Logic: On = -0.2 to 0.8 VDC; Off -2.0 - 5.25VDC
Compatible 1771 chassis:
Series A or B 1771-A1B, 1771-A2B, 1771-A3B, 1771-A3B1, 1771- A4B;