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4 Product overview
Communication connection
4.7
Communication connection
Related topics
"5.7 Planning the device communication and plant monitoring",
page 48
"5.8 Grid and system protection", page 53
"6. Planning the Commissioning", page 54
"7.6 Connecting the communication card", page 65
Fig. 4.13:
Cable feed-through for the communication cables
5
4
Fig. 4.14:
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)
Connection
2 x RS485 (DATA+ and DATA–)
1 x VCC (12 V, 0.5 A)
22
1
2
3
Connector type
Terminal block
Terminal block
Connection
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
Installation and operation manual M70A_260 Flex RPI703M26000 EU V1.1 EN 2022-08-02
Connector type
Terminal block
Terminal block
Terminal block
Shielded and twisted pair cable
(CAT5 or CAT6)
7.2 mm
0.25 ... 1.5 mm
2
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