Siemens Simatic M7-400

Power Supply Modules
3-40
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
3.16 Power Supply Module PS 405 20A;
(6ES7405-0RA01-0AA0)
Function
The PS 405 20A power supply module is designed for connection to a DC line
voltage of 19.2 VDC to 72 VDC and supplies 5 VDC/20 A and 24 VDC/1 A on the
secondary side.
Controls and Indicators of the PS 405 20 A
• FMR pushbutton (Failure Message Reset)
• Standby switch
• Switches BATT. INDIC.
2 BATT, OFF, 1 BATT
• Battery compartment
• Fixing screws
• 3-pin plug-in power connector
• LEDs INTF,
BAF, BATT1F, BATT2F,
5 VDC, 24 VDC
PS 405 20A
405-0RA00-0AA0
X2
34
1
FMR
2
3
INTF
BAF
BATTF
5 VDC
24 VDC
BATTF
BATT. INDIC.
2 BATT
1 BATT
OFF
BATT.1 BATT.2
+
–
+
–
Under cover
• Fixing screws
Figure 3-12 Controls and Indicators of the PS 405 20 A