Siemens SIPROTEC 4 7UT6 Series Manual page 339

Exchanging interface modules (7UT613/63x)
The interface modules are dependent on the variant ordered. They are located on the processor board C-
CPU-2.
[prozessorbgr-c-cpu-2-mit-schnittstelle-040403-st, 1, en_GB]
Figure 3-15
NOTE
i
i
Please note the following: Only interface modules of devices with flush mounting housing can be replaced.
Interface modules of devices with surface mounting housing must be replaced in our manufacturing
centre.
Use only interface modules that can be ordered as an option of the device (see also Appendix
Information and
Termination of the serial interfaces in case of RS485 must be ensured.
SIPROTEC 4, 7UT6x, Manual
C53000-G1176-C230-5, Edition 09.2016
C-CPU-2 board with interface modules
Accessories).
Mounting and Commissioning
3.1 Mounting and Connections
A Ordering
339