Specifications

Rockwell Automation Publication 1769-TD006E-EN-P - January 2015 35
1769 Compact I/O Modules Specifications
1769-IG16
Compact TTL input module
Low to True Format - 1769-IG16
• -0.2…0.8V = Input guaranteed to be in on-state
• 0.8…2.0V = Input state not guaranteed
• 2.0…5.5V = Input guaranteed to be in off-state
Table 31 - Technical Specifications - 1769-IG16
Attribute 1769-IG16
Inputs 16
Voltage category 5V DC TTL source (Low=True)
(1)
Operating voltage range 4.5…5.5V DC
50 mV peak-to-peak ripple max
Input delay, on 20 ms
Digital filter, off to on 0 s, 100 μs, 500 μs, 1 ms, 2 ms, 4 ms, 8 ms
Digital filter, on to off 0 s, 100 μs, 500 μs, 1 ms, 2 ms, 4 ms, 8 ms
Current draw @ 5.1V 120 mA
Heat dissipation, max 1.6 W
Off-state voltage, typical 2.0…5.5V DC
Off-state current, max 4.1 mA
Simplified Input Circuit Diagram
• Use Belden 8761, or equivalent, shielded wire.
• Do not connect more than 2 wires to any single terminal.
• DC power cable and I/O cables should not exceed 10 m (30 ft).
• The capacitors shown above must be 0.01
μF and rated for 2000V min.
• User power supply must be rated Class 2 with a 5V DC range of 4.5…5.5V DC.