The Allen-Bradley 1747-KE DH-485/RS-232C Interface Module User Manual provides installation, configuration, and troubleshooting instructions.
This manual covers all aspects of the DH-485/RS-232C Interface Module, including safety guidelines, required tools, and step‑by‑step procedures for installing the module in an SLC 500 system. It explains the module’s features, LED indicators, jumper settings, and how to configure communication protocols such as DF1 and DH‑485.
Detailed chapters describe module configuration using an ASCII terminal or the backplane, application examples, hardware specifications, certification information, and appendices for lithium‑battery handling and communication distance tables. The document is intended for engineers, system integrators, and technicians who work with Allen‑Bradley PLCs.
| Power Supply Loading at 5 V dc | 0.150 A (module only) |
|---|---|
| Power Supply Loading at 24 V dc | 0.070 A (module only) |
| Operating Temperature Range | 0 °C to +60 °C |
| Storage Temperature Range | -40 °C to +85 °C |
| Port Isolation – DH‑485 | Not isolated |
The module requires both 5 V dc and 24 V dc power from the SLC backplane.
No, the DH‑485 port is not isolated.
This manual explains 4 error codes. Open a code for its meaning, causes and what to do: