Siemens S5-135U/155U System Manual page 554

Index
LEDs
COR 923C, 6-23
CPU 922, 5-76
CPU 928 , 5-67
CPU 928 -3UA21, 5-58
CPU 928B, 5-37, 5-49
CPU 948, 5-23
CPU 948 -3UA13, 5-9
CPU 948 -3UA23, 5-9
digital input/output modules, 8-4
fan submodule 6ES5 99-3LA11, 4-70
monitoring module, 10-2
power supply units, 4-36
PSU 6ES5 955-3NA12, 4-65
LEDs and controls, power supply units, 4-22
LEDs for fault indication and signaling
CPU 922, 5-77
CPU 928, 5-68
CPU 928B, 5-49
CPU 928 -3UA21, 5-59
CPU 928B -3UB21, 5-37
CPU 948, 5-23
CPU 948 -3UA13, 5-9
CPU 948 -3UA23, 5-9
Lightning protection, 3-12
Lithium battery
fitting in PSU, 4-31
replacing, 4-41
Load circuit, disconnecting, 8-26
Load power supply, 3-19
Load voltage, 9-46
Loads, connection, 9-109
Location of jumpers
power supply units, 4-29
PSU 6ES5 955-3NA12, 4-60
Locking bar, 4-3
M
Main switch, 3-20
Measured-value representation
current measuring range 4 to 20 mA, 9-28,
9-71
different measuring ranges, 9-91
output current/voltage, 9-111
Pt 100, 9-26, 9-70
two's complement, 9-24, 9-68
Measurement with respect to ground, 9-78, 9-88
Measuring range
466 analog input module, 9-77
setting, 9-80
Measuring range exceeded, 9-8, 9-54
Index-4
Memory cards 374, 5-80
erasing, 5-80
inserting, 5-80
programming, 5-80
Memory page, 6-20
Memory submodules 376, 5-82
erasing, 5-82
inserting, 5-82
programming, 5-82
Memory submodules 377, 5-84
backup battery, 5-87
inserting, 5-88
programming, 5-84
removing, 5-89
with battery backup, 5-85
Mode, setting, 9-31, 9-73
Mode switch, 6-17, 6-23, 9-4, 9-35, 9-50, 9-98
coordinator, 6-13
COR 923A, 6-17
COR 923C, 6-23
CPU 922, 5-75
CPU 928 , 5-66
CPU 928 -3UA21, 5-58
CPU 928B , 5-48
CPU 928B -3UB21, 5-36
CPU 948, 5-21
CPU 948 -3UA13, 5-7
CPU 948 -3UA23, 5-7
Module, mounting width, 4-8
Momentary-contact mode switch
CPU 922, 5-75
CPU 928 , 5-66
CPU 928B, 5-48
CPU 928 -3UA21, 5-58
CPU 928B -3UB21, 5-36
CPU 948, 5-21
CPU 948 -3UA13, 5-7
CPU 948 -3UA23, 5-7
Monitor connection, 3-29
Monitoring for bus assignment, 6-20
Monitoring function, power supply units, 4-20
Mounting in cabinets, 3-8
Mounting on racks, 3-10
Mounting on walls, 3-10
Multiplex interface, 6-21
Multiprocessor operation, 1-1, 6-2, 6-15
starting, 6-3
startup phase, 6-12
N
Non-floating modules, 3-25
C79000-G8576-C199-06
System Manual