Jumper cables, one for the input module (DI or AI) and one for the output module (DO).

TC-306-02: for input modules (DI: T8402 and T8403 or AI: T8431 and T8433)

TC-308-02: for output modules (DO: T8451, T8461 or T8471)

1) Identify the slot containing the failed module that needs to be replaced. identify and record

Module type and model.

2) Identify the SmartSlot to accommodate the replacement module.

– If a smart slot already contains an active module, the slot will be used as

Replacing a previously failed I/O module without being able to replace another

unit

-If the SmartSlot contains a module in standby, remove the standby module.

– Smart slots must be empty before proceeding.

3) Open the cabinet door and swing frame. Connect one end of the appropriate SmartSlot

The cable that connects to the rear of the I/O cable cover on the rear of the chassis where the failed module resides

Installed. Connect the other end to an empty SmartSlot location on the chassis.

Secure the cables with the screws provided.

4) Install the same spare replacement module in the SmartSlot. If the original module

In case of failure, the standby module will automatically enter the standby state and receive education. once

After the educational process is completed, the new modules will be automatically activated

Assume control.

5) Once the original module is in standby and the backup module is active, fault the original module

The module can be removed using the eject key and release lever.

T8461 Mounts on DIN rail Associated output module I/O connectors