Siemens SITRANS P DS III - Connecting the M12 Connector

Connecting up
5.3 Connecting the M12 connector
SITRANS P DS III with PROFIBUS PA
Operating Instructions, 06/2013, A5E00053276-07
69
5.3
Connecting the M12 connector
Procedure
CAUTION
A conductive connection must not exist between the shield and the connector housing.
WARNING
The connector may only be used for Ex ia devices and non-Ex devices; otherwise the
safety required for the approval is not guaranteed.
Note
Observe the protection class of the M12 connector when defining the protection class.
For devices in which a connector is already available on the housing, the connection is
established using a cable jack.
1. Thread the parts of the cable jack as described by the connector manufacturer.
2. Strip approximately 18 mm of the bus cable
①.
3. Twist the shield.
4. Thread the shield in the insulating sleeve.
5. Draw 8 mm of shrink sleeve over the cable, wires and shield up to the reference edge
②.
6. Screw the cable ends and the shield in the pin insert.
7. Fix the parts of the cable jack as described by the connector manufacturer.
Figure 5-3 Preparing the connecting cable
①
Reference edge for stripping
③
Insulating sleeve over the shield
②
Reference edge for the dimension
specifications for cable assembly
④
Shrink sleeve