Connection
5.1 Electric
SIPART PS2 with and without HART
Operating Instructions, 10/2013, A5E00074631-11
77
Note
Maximal values for terminals 41/42 and 51/52
The following maximum values concern only terminals 41, 42, 51, and 52:
Maximum voltage:
– Not Ex: AC 250 V or DC 24 V
– Ex: 30 V DC
Maximum current:
– Not Ex: 4 A AC/DC
– Ex: 100 mA DC
Maximum performance:
– Ex: 750 mW
No safe separation between the term
inals can be guaranteed.
Note
To observe before connecting
Before you connect the mechanical limit switch module, observe the following conditions:
Isolate all wires from power and make sure the device is truly isolated from power.
Construct the cross-sectional area of the connection cables in such a way that it is
appropriate for the permitted current load.
Note
Preparing the cables or stranded wires
1.
Insulate the cables in such a way that the insulation is flush with the terminal when
plugging in the wires.
Fit ferrules to the ends of stranded wires.
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