1756-OF8 Allen-Bradley

The module is designed to support Removal and 

Insertion Under Power (RIUP). However, when 

you remove or insert an RTB with field-side power 

applied, unintended machine motion or loss of 

process control can occur. Exercise extreme 

caution when using this feature.

Key the Removable Terminal Block/Interface Module 

Wedge-shaped keying tabs and U-shaped keying bands came with 

your RTB to prevent connecting the wrong wires to your module.

Key positions on the module that correspond to unkeyed positions 

on the RTB. For example, if you key the first position on the module, 

leave the first position on the RTB unkeyed.

Reposition the tabs to rekey future module applications.

Wire the Removable Terminal Block

Wire the RTB with a 5/16 inch (8mm) maximum flat-bladed 

screwdriver before installing it onto the module.

Shielded cable is required when using this module. We recommend 

using Belden 8761 cable to wire the RTB. The RTB terminations can 

accommodate 14-22 gauge shielded wire.

Connect grounded end of the cable

1. Ground the drain wire.

IMPORTANT We recommend grounding the drain wire at the 

field-side. If you cannot ground at the field-side, ground 

at an earth ground on the chassis as shown.

2711P-T4W21D8S, 2711P-T4W22D8S, 2711P-T4W21D8S-B, 2711P-T4W22D8S-B, 2711P-T6C21D8S, 2711P-T6C22D8S, 2711P-T6C21D8S-B, 2711P-T6C22D8S-B, 2711P-T7C21D8S, 2711P-T7C22D8S, 2711P-T7C21D8S-B, 2711P-T7C22D8S-B, 2711P-T9W21D8S, 2711P-T9W22D8S, 2711P-T9W21D8S-B, 2711P-T9W22D8S-B, 2711P-T10C21D8S, 2711P-T10C22D8S, 2711P-T10C21D8S-B, 2711P-T10C22D8S-B, 2711P-T12W21D8S, 2711P-T12W22D8S, 2711P-T12W21D8S-B, 2711P-T12W22D8S-B, 2711P-T15C21D8S, 2711P-T15C22D8S, 2711P-T15C21D8S-B, 2711P-T15C22D8S-B

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