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4.7
Communication connection
Related topics
"5.7 Planning the device communication and plant monitoring",
page 45
"5.8 Grid and system protection", page 50
"6. Planning the Commissioning", page 51
"7.7 Connecting the communication card", page 63
Fig. 4.12:
Cable feed-through for the communication cables
5
4
Fig. 4.13:
Components of the communication card
1 Digital inputs and external power-off (terminal block)
2 DIP switch for the RS485 termination resistor
3 2 x dry contacts (terminal block)
4 RS485 (terminal block)
5 Protection against electromagnetic interference (EMI)
Installation and Operation Manual M50A_260 RPI503M260000 Product version L and M EU V1.3 EN 2023-08-14
1
2
3
Connection
2 x RS485 (DATA+ and DATA–)
1 x VCC (12 V, 0.5 A)
6 x digital inputs
2 x dry contacts
1 x external power-off (EPO)
Table 4.4.: Connections on the communication card
Cable type
Cable diameter
Wire cross section
Table 4.5.: Specification of the communication cable
4 Product overview
Communication connection
Connector type
Terminal block
Terminal block
Terminal block
Terminal block
Terminal block
Shielded and twisted pair cable
(CAT5 or CAT6)
7.2 mm
0.25 ... 1.5 mm
2
21
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