ABB AC500 PLC - Page 933

E1..E4 d1 d2 d3 d4 Identi-
fier
000..063
AC500-
Display
<− Display in
Class Comp Dev Mod Ch Err PS501
PLC
Browser
Byte 4
Bit 6..7
- Byte 1 Byte 2 Byte 3 Byte 4
Bit 0..5
PNIO
diag-
nosis
block
Class Inter-
face
Device Module Channel Error-
Identi-
fier
Error message Remedy
1
)
2
)
3
)
4 - 31 31 31 46 Reverse voltage
from digital outputs
DO8...DO15 to
UP3
4
)
Check
terminals
4 - 31/1...10 31 31 34 No response during
initialization of the
I/O module
Replace
I/O
module
4 - 31 31 31 11 Process voltage
UP3 too low
Check
process
supply
voltage
4 - 31 31 31 45 Process voltage
UP3 gone
Check
process
supply
voltage
4 - 31 31 31 10 Voltage overflow at
outputs (above
UP3 level)
5
)
Check
termi-
nals/
check
process
supply
voltage
Channel error digital
4 - 31 2 8..15 46 Externally voltage
detected at digital
output DO8...DO15
6
)
Check
terminals
4 - 31 4 0...7 46 Externally voltage
detected at digital
output DC0...DC7
6
)
Check
terminals
4 - 31 2 0...7 47 Short circuit at dig-
ital output
7
)
Check
terminals
Remarks:
Device Specifications
Communication Interface Modules (S500) > Modbus
2019/04/17 3ADR010121, 13, en_US 933