Siemens SIMATIC S5 Manual page 265

S5-115F Manual
Error Con-
Error Message Text
Identi- sec.
fier No.
Progr.
16 01
DI modules in A and B
unequal, discrepancy
time-out
e.g.
Additional info. 1:
DI byte No.
Additional info. 2:
CH DQ byte No.
Additional info. 3:
Bit No.
EWA 4NEB 811 6149-02
Possible Cause
Error group No. 09
I/O module single comparison error
Error group No. 08
I/O individual error
(only in the case of CPU 942-7UF13
with I/O ETV 3 or 4)
- Configured discrepancy too short
- Too great a difference between
sensors switching
- Sensor for relevant DI module
defective in case of 2-channel
sensors
- I/O error
DI/CH DQ module or DQ/RB DI
module defective
- Wiring fault
Byte No. for I/O module,
decimal display
Byte No. for CH DQ module
decimal display
Bit No. of the discovered error,
decimal display
PLC Error Messages
Remedy
- Increase configured
discrepancy time
- Check sensors
- Replace sensors
- Replace module; either I/O or
feedback module defective; if
no subunit message present,
either A or B is defective
- Check wiring
Warm restart in the case of
individual error and signal group
No. 0 (Stop mode):
1. Stop / Run
Warm restart in the case of
individual error and signal group
No. 1 to 28 (passivation):
a) Test mode
1. POWER OFF/ON
2. Stop / Run
b) Safety mode
1. OVERALL RESET
Warm restart in the case of error
burst:
1. POWER OFF/ON
2. Stop/Run
This does not cancel passivation.
To do so, see above: Warm
restart in the case of passivation
B-5