Siemens Simatic S7-400 - Manual (Page 120)

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
X 2
3 4
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