ABB AC500 V3 Hardware Manual page 786

Device specifications
Communication interface modules (S500) > Modbus
E1..E4
Class
Byte 4
Bit 6..7
Class
4
4
4
4
4
4
Channel error digital
4
4
4
4
786
d1 d2 d3
Comp Dev Mod
- Byte 1 Byte 2
Inter- Device Module
face
1 ) 2 ) 3 )
- 31 31
- 31 31
- 31/1...10 31
- 31 31
- 31 31
- 31 31
- 31 2
- 31 4
- 31 4
- 31 2
3ADR010278, 3, en_US
d4 Identi- AC500-
fier Display
000..063
Ch Err PS501
PLC
Browser
Byte 3 Byte 4 PNIO
diag-
Bit 0..5
nosis
block
Channel Error- Error message
Identi-
fier
31 45 Process voltage
UP3 too low
31 46 Reverse voltage
from digital out-
puts DO8...DO15 to
UP3
31 34 No response during
initialization of the
I/O module
31 11 Process voltage
UP3 too low
31 45 Process voltage
UP3 gone
31 10 Voltage overflow
at outputs (above
UP3 level)
8..15 46 Externally voltage
detected at digital
output DO8...DO15
6
)
0...7 46 Externally voltage
detected at digital
output DC0...DC7
6
)
0...7 47 Short circuit at
digital output
DC0...DC7
8...15 47 Short circuit at
digital output
DO8...DO15
<− Display in
Remedy
Check
process
voltage
Check
terminals
4
)
Replace
I/O
module
Check
process
supply
voltage
Check
process
supply
voltage
Check
termi-
nals/
5
)
check
process
supply
voltage
Check
terminals
Check
terminals
Check
terminals
7
)
Check
terminals
7
)
2022/01/31