Siemens S7-400 Installation Manual page 154

Starting Up
Table 6-1 Checklist to be Used Before Switching On for the First Time, continued
Module Settings
Is the CPU mode switch set to
STOP?
Are the numbers of the racks cor-
rectly set on the coding switches of
the receive IMs and not duplicated?
If measuring range modules are fitted
on the analog input modules, are they
correctly set?
Have the rules for connection been
observed?
Have the correct cables been used
for connections to existing ERs?
Is the last receive IM of each connec-
tion chain terminated with the right
terminator?
Power Supply Module
Is the power supply connector cor-
rectly wired?
On AC PS modules, is the voltage
selector switch set to the available
line voltage?
On fan subassemblies, is the voltage
selector switch set to the available
line voltage?
Are all power supply modules swit-
ched off (Standby switch set to
Is the BATT INDIC switch for battery
monitoring correctly set
(see Table 6-2)?
Has the connection to the supply
been made?
Line Voltage
Is the available line voltage correct?
According to the backup concept, Table 6-2 shows how you must set the battery
monitoring switch on the different power supply modules.
6-4
6
2
2, 4
4
4
4
)?
S7-400 and M7-400 Programmable Controllers Hardware and Installation
1
7
5, 6
7
7
3
9
3
3
3
A5E00069481-04