Interface Modules - Siemens SIPROTEC 7ST6 Manual

Numerical overhead contact line protection for ac traction power supply
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3 Mounting and Commissioning
3.1.2.4

Interface Modules

Exchanging Inter-
The interface boards are located on the C–CPU-2 board (in Figures 3-3 and 3-4).
face Modules
Figure 3-11
Please note the following:
• The interface modules can only be replaced in devices for panel flush mounting and
• Use only interface modules that can be ordered ex-factory via the ordering code
• You may have to ensure the termination of the interfaces featuring bus capability
228
C-CPU-2 board with interface module
cubicle mounting.
(see also Appendix, Section A.1).
according to the margin heading „RS485 Interface".
7ST6 Manual
E50417-G1176-C251-A3

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