
Mounting and Commissioning
3.1 Mounting and Connections
SIPROTEC, 7SJ61, Manual
C53000-G1140-C210-1, Release date 02.2008
277
The interface modules are located on the processor printed circuit boards CPU (No.1 in Figure 3-3).
Please note the following:
• The interface modules can only be exchanged in devices designed for panel and cubicle mounting. Devices
in surface-mounted housings with two-tier terminals have to be retrofitted at our factory.
• Use only interface modules that can be ordered in our facilities via the order key, see also Appendix A.1.
• You may have to ensure the termination of the ports featuring bus capability according to the margin heading
"Termination".
Table 3-12
Exchangeable interface modules
The order numbers of the exchange modules can be found in the Appendix in Section A.1, Accessories.
Interface
Mounting
Location / Port
Exchange Module
System Interface
O
IEC 60870–5–103 RS232
IEC 60870–5–103 RS485
IEC 60870–5–103 redundant
RS485
FO 820 nm
Provide FM R
Profibus FMS double ring
Profibus FMS single ring
Profibus DP RS485
Profibus DP double ring
Modbus RS485
Modbus 820 nm
DNP 3.0 RS 485
DNP 3.0 820 nm
IEC 61850 Ethernet electrical
IEC 61850 Ethernet optical
DIGSI /Modem Interface/RTD-box
C
RS232
RS485
FO 820 nm