Trane RTHC - Operator Interface - Controls; UCP2 Microprocessor Control System

Interprocessor Communication (IPC)
RTHC-SVD01B-EN 65
Table 12-1: Stepper Motor Connection
J8 Connector
Pin# on Stepper
Module
Motor Winding
Output Signal
Name
Motor Terminal
Connection
41+ 1
32+ 3
21- 2
12- 4