Connecting The 24 Vdc Power Supply - Siemens SIMATIC IPC477D Operating Instructions Manual

Mounting and connecting the device
3.4 Connecting the device
3.4.3.3

Connecting the 24 VDC power supply

Electric shock and risk of fire
Voltages that exceed an extra-low voltage can cause electric shock or fire. Death or serious
bodily injury can result.
• The device may only be connected to a 24 V DC power supply that meets the
• The supplying source must be fused for a power rating < 240 VA; recommended fuse
Note
The 24 V DC power supply must be adapted to the input data of the device (see technical
specifications).
Requirements
● The device is installed.
● The protective conductor is connected.
● The connection terminal is wired.
● The corresponding 24 V DC power supply is switched off.
92
WARNING
requirements of a safe extra-low voltage (SELV) according to IEC/EN/DIN
EN/UL 60950-1.
rating ≤ 8 A.
SIMATIC IPC477D, IPC477D PRO
Operating Instructions, 11/2016, A5E31347228-AF