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6
Commissioning
6.1
Contact assignment
6.1.1
Contact module with single input and output (NAMUR)
Fig. 8: Output / input contacts
6.1.2 Contact module with 3 inputs and outputs
Fig. 10: Socket / plug contacts
V1
If you have assembled the cables yourself, please note the following:
Statutory EMC requirements also apply to the cable connec-
tions. Use only shielded connection lines with shielded plugs/
sockets.
Reliably isolate all equipment connected to the extra-low
voltage inputs and outputs according to DIN EN 61140
to safeguard against dangerous contact voltages. For
example, use double or reinforced insulation according to
DIN EN 60730-1 or DIN 60950-1.
The two variants of contact module differ in the number of inputs and
outputs. Two 3‑pin circular connectors and a 15‑pin D‑Sub socket are used
as connections. The connector can be configured for an external system
according to the contact assignments listed below.
Refer to Ä Chapter 12 "Accessories" on page 27 for accessory information
on assembling connection cables.
Contact output (connector) and contact input (socket) on the interface
module have a 3‑pin connection design.
Fig. 9: Circuit diagram
The connection on this interface module is designed as a 15‑pin D-Sub
socket.
Fig. 11: Circuit diagram
Interface module LRZ 914 / 915
15 / 29
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