The module connects the redundant rack-side signal path to external field-termination hardware. ET-block style, cable length, cable assembly and channel wiring must be recorded with the exact I/O part number.
Important Notice: Use 126632-01 only with the approved 3500/42M TMR external-termination arrangement; do not substitute a standard internal- or external-termination I/O module.
The Technical Reference organizes the exact ordering identity, applicable characteristics and system boundary for this tmr i/o module. The Installation & Commissioning Guide covers identification, pre-installation checks, connections, functional verification and the acceptance record.