12/18/2008 6:59 AM | |
Joined: 3/21/2006 Last visit: 10/7/2024 Posts: 10229 Rating: (1181) |
Hello The PS 407 4A power supply module is designed for connecting to either an ACline voltage of 85 to 264 V or a DC line voltage of 88 to 300 V andsupplies 5 VDC/20 A and 24 VDC/1 A on the secondary side.An AC connector is used for connecting the PS 407 20A toboth an AC and a DC supply. The polarity reversal of L+ and L– at supply voltages of between 88 VDCand 300 VDC has no effect on the function of the power supply. See here more: Automation System S7-400 Hardware and Installation (page 79 - 82) regards |
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