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Function, Power connection, Power supply modules 3-28 – Siemens Simatic S7-400 User Manual

Page 108: Fmr pushbutton (failure message reset), Standby switch (does not cut off mains), Switches batt. indic. 2 batt, off, 1 batt, Battery compartment, Pin plug-in power connector, Fixing screw, Fixing screws

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Power Supply Modules

3-28

S7-400, M7-400 Programmable Controllers Module Specifications

A5E00069467-07

3.10

Power Supply Module PS 407 20A

;

(6ES7407-0RA01-0AA0)

Function

The PS 407 20 A power supply module is designed for connecting to either an AC
line voltage of 85 to 264 VAC or a DC line voltage of 88 to 300 VDC and
supplies 5 VDC/20 A and 24 VDC/1 A on the secondary side.

Controls and Indicators of the PS 407 20 A

FMR pushbutton (Failure Message Reset)

Standby switch (does not cut off mains)

Switches BATT. INDIC.
2 BATT, OFF, 1 BATT

Battery compartment

3-pin plug-in power connector

Fixing screw

Fixing screws

LEDs INTF,
BAF, BATT1F, BATT2F, 5 VDC, 24 VDC

PS 407 20A

407-0RA01-0AA0

X

2

3

4

1

FMR

BATT. INDIC.

2 BATT

1 BATT

OFF

INTF

BAF

BATTF

5 VDC

24 VDC

BATTF

2

3

BATT.1

BATT.2

+

+

Under cover

Figure 3-6

Controls and Indicators of the PS 407 20 A

Power Connection

In contrast to the instructions on installing a power supply module in the “S7-400,
M7-400 Programmable Controllers, Hardware and Installation”
manual, an AC
power connector is used for connecting the PS 407 20A to both an AC and DC
supply.

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