Power Supply; Fig. 6 Cp39Xx-0000_Voltage Socket Pin Numbering - Beckhoff CP39 Series Manual

3.2.1

Power supply

The control panel is supplied with a nominal input voltage of 24 V. The connection to the power supply and
the external wiring of the control panel is established via the 4-pin M12 socket (X101). The plug is connected
to + 24 V and GND.
X101
2 1
3
4
Fig. 6: CP39xx-0000_voltage socket pin numbering
Table 3: Voltage socket pin assignment
Pin Signal Description
1 + 24 V Power supply
2 GND 0 V
3 GND 0 V
4 + 24 V Power supply
The plug for the power supply is specified for 16 A. Due to the dual connection, maximum wire cross-
2
sections of 4 x 0.75 mm
low voltage drop on the supply lines. There should be at least 22 V at the power supply plug of the control
panel, so that the control panel remains switched on during voltage fluctuations. The plug is included in the
delivery. You can obtain a replacement plug from your Beckhoff Sales using the following ordering option:
• C9900-P916: power supply connector for CP39xx, round connector IP65 with strain relief for the
external supply cable
CP39xx
can be accommodated. For long supply lines, use 4 x 0.75 mm
Version: 3.6
Product overview
2
cables to achieve a
13