Electrical installation
Voltage supply
6
EDK2191DB DE/EN/FR 2.0
35
H2_SpgVersorgg−Steckerleiste_Schraubanschl_15
External voltage supply
Note!
In the case of an external voltage supply and for greater distances between the
control cabinets, always use a separate power supply unit (SELV/PELV) that is
safely separated in accordance with EN 61800−5−1 in each control cabinet.
The external voltage supply of the communication module ...
ƒ is required if communication via the fieldbus is to be continued when the supply of
the device fails.
ƒ is provided via the 2−pin terminal strip with screw−type connection (24 V DC):
Terminal Description
+ External voltage supply
U = 24VDC(20.4 V − 0%... 28.8 V +0%)
I = 85 mA
− Reference potential for external voltage supply
ƒ The parameters of a standard device disconnected from the mains cannot be
accessed.
Terminal data
Area Values
Electrical connection Plug connector with screw connection
Possible connections
rigid:
1.5 mm
2
(AWG 16)
flexible:
without wire end ferrule
1.5 mm
2
(AWG 16)
with wire end ferrule, without plastic sleeve
1.5 mm
2
(AWG 16)
with wire end ferrule, with plastic sleeve
1.5 mm
2
(AWG 16)
Tightening torque 0.5 ... 0.6 Nm (4.4 ... 5.3 lb−in)
Stripping length 6 mm
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