Beckhoff CP39 Series, Manual

Page: 12 / 52

Product overview
CP39xx 12 Version: 3.1
1 2
3 4
X101
Fig. 6: CP39xx_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-
sections of 4 x 0.75 mm
2
can be accommodated. For long supply lines, use 4 x 0.75 mm
2
cables to achieve a
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