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External voltage supply
For the EMF2179IB communication module, always use an external voltage supply.
The external voltage supply of the communication module is provided via plug contacts V+
and V−.
Designation
V+
V−
If the distance between the DeviceNet nodes is larger than normal, you can use several
voltage supplies.
Drive controller
820X
821X, 822X, 824X
93XX, ECSxS/P/M/A
8200 vector
EDKMF2179 DE/EN/FR 4.1
Description
The external supply exceeds the selection of the DeviceNet specification.
U = 24 V DC (21.6 V − 0 % ... 26.4 V + 0 %)
I = 100 mA
Reference potential for the external voltage supply
External voltage supply
Always required
The external voltage supply is necessary if communication is not to be
interrupted when the standard device supply fails.
See "Internal voltage supply" (^ 62).
l
Electrical installation
Voltage supply
6
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