Allen Bradley 1746-IG16 SLC 500 16-Channel TTL Digital Input Module

FAQ

Q1: What is the 1746-IG16 module used for?
It is a 16-point TTL digital input module designed for low-voltage logic signal interfacing in SLC 500 systems.

Q2: What voltage signals does it accept?
It accepts 5 V DC TTL signals with an operating range of 4.5 – 5.5 V DC.

Q3: How many input channels are available?
The module provides 16 independent input channels.

Q4: What is the signal response time?
Typical response time is about 0.25 ms ON and 0.5 ms OFF.

Q5: What are the dimensions and weight?
Approximate size is 127 mm × 51 mm × 152 mm with a weight of about 0.23 kg.

Q6: What type of wiring connection is used?
It uses removable terminal blocks such as 1746-HT or 1746-RT25B with compatible cables.

Q7: What environmental conditions can it operate in?
It operates from 0 °C to 60 °C with 5–95% non-condensing humidity.

Q8: What is special about TTL input logic on this module?
TTL inputs are inverted, meaning low voltage represents a logical ON state.

1746-IG16 Allen Bradley

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