Connecting The 24 Vdc Power Supply - Siemens SIMATIC IPC677D Operating Instructions Manual

Procedure
1. Make sure that the ON/OFF switch is in position '-'
(Off) to avoid unintentional startup of the device
when you plug in the power cord.
2. Connect the appliance connector to the device.
3. Connect the power cable with the safety power
outlet.
4. If necessary, install the enclosed cable grip.
3.3.4

Connecting the 24 VDC power supply

Note before connecting the device
Safety extra-low voltage (SELV)
The device should only be connected to a 24 V DC power supply which meets the
requirements of safe extra low voltage (SELV) according to IEC/EN/DIN EN 60950-1. A
protective conductor must also be used. The conductors must withstand the short-circuit
current of the 24 V DC power source, so that a short-circuit will not damage the cable. Only
connect cables with a minimum cross-section of 1.3 mm
section of 3.3 mm
Note
The 24 V DC power source must be adapted to the input data of the device (see
specifications).
SIMATIC IPC677D
Operating Instructions, 09/2014, A5E32995420-AC
WARNING
(AWG12).
2
Mounting and connecting the device
3.3 Connecting the device
(AWG16) and a maximum cross-
2
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