This manual introduces the Siemens Diagnostic Repeater, a Profibus network device that provides both repeater functionality and diagnostic capabilities. It describes the front‑panel layout, switch settings, and hardware version information.
The guide explains how to configure clock synchronization, topology diagnostics, diagnostic buffers, and statistical counters. Safety notes, installation examples, and reference links are also included. This manual is written in Chinese.
| Order number | 6ES7 972-0AB01-0XAO |
|---|---|
| Hardware version | V2.0.0 (latest) |
| Clock presence | Integrated diagnostic clock |
| DP2/DP3 diagnostic capability | Both DP2 and DP3 support network topology and fault diagnosis |
| Branch cable restriction | No branch (spur) cables allowed on DP segments |
| Electrical isolation | DP2, DP3, PG not isolated; DP1 and power isolated |
Set the DP3 switch to ON to activate the segment for diagnosis, or OFF to deactivate it.
The order number is 6ES7 972-0AB01-0XAO.
A floating‑ground system needs a floating power supply, but the protective earth (PE) must always be grounded.