Mounting and connecting
4.3 Connecting the connection module CM CPU 2PN M12 7/8"
CPU 1516pro-2 PN (6ES7516-2PN00-0AB0)
26 Operating Instructions, 11/2019, A5E35873416-AC
M12 circular socket (with female contact insert) for connection of PROFINET
X1 P1 R M12 circular socket connector (with socket insert) for connection of PROFINET
R: Ring port for configuring a ring topology with media redundancy
X1 P2 R M12 circular socket connector (with socket insert) for connection of PROFINET
R: Ring port for configuring a ring topology with media redundancy
X3 DC 24V 7/8" circular socket (with male contact insert) for infeed of electronics/encoder sup-
ply 1L+ and load voltage supply 2L+
X4 DC 24V 7/8" circular socket (with female contact insert) for loop-through of electron-
ics/encoder supply 1L+ and load voltage supply 2L+
You may operate modules with PROFINET interfaces only in LAN networks (Local Area
Network) in which all the connected nodes are equipped with a SELV/PELV power supply
(or equivalent).
A data transfer terminal (modem, for example) is required to access the WAN (Wide Area
Network) in order to ensure compliance with this safety standard.
Requirements
The CPU (including bus module) and the connection module CM CPU 2PN M12, 7/8" are
mounted on the module rack.
Tools required
● Screwdriver
● Insulation stripping tool for wiring if you are assembling the cables yourself.
Accessories required
● Pre-fabricated cable with M12 and 7/8" connectors The patch cables are available in
different lengths.
● To produce your own cable:
– M12: PROFINET cable (4-wire, shielded) and M12 PROFINET connection plug
(d-coded)
– 7/8": 5-wire patch cable with 7/8" connectors
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