This document provides technical information about the Value & Technology I/O communication and remote I/O module U-03RM/U-03RS, including specifications, connection methods, and fault analysis.
The document provides technical data for Koyo's U-03RM (master) and U-03RS (remote) long‑range I/O modules, which are used in the distributed remote‑IO system of small‑high‑function PC KOSTAC SU‑5/SU‑6. It describes the basic composition, connection rules, and the allocation of IO points for both modules.
Installation, wiring, and programming details are covered, including power‑on self‑diagnostics, communication specifications, and CPU version requirements. The manual also explains manual and automatic IO point allocation, special registers, and the timing relationship between the CPU and the modules. This manual is written in Chinese.
| Supported CPU version | V1.7 (May 1990) or later |
|---|
CPU version V1.7 (May 1990) or later is required.