ABB AC500 PLC - State LEDs

E1...E4 d1 d2 d3 d4 Identifier
000...063
AC500
display
<− Display in
Class Comp Dev Mod Ch Err PS501
PLC
Browser
Byte 6
Bit 6...7
- Byte 3 Byte 4 Byte 5 Byte 6
Bit 0...5
PNIO
diagnosis
block
Class Interface Device Module Channel Error
Identifier
Error message Remedy
1
)
2
)
3
)
4
)
4 14 1...10 3 0...1 48 Analog value overflow
at an analog output
Check
output
value or
terminal
11 / 12 ADR 1...10
4 14 1...10 3 0...1 7 Analog value underflow
at an analog output
Check
output
value
11 / 12 ADR 1...10
Remarks:
1
)
In AC500 the following interface identifier applies:
14 = I/O bus, 11 = COM1 (e.g. CS31 bus), 12 = COM2.
The PNIO diagnosis block does not contain this identifier.
2
)
With "Device" the following allocation applies:
31 = module itself, 1...10 = decentralized communication interface module
1...10, ADR = hardware address (e. g. of the DC551-CS31)
3
)
With "Module" the following allocation applies dependent of the master:
Module error: I/O bus or PNIO: 31 = module itself; COM1/COM2: 1...10 =
expansion 1...10
Channel error: I/O bus or PNIO = module type (1 = AI, 3 = AO); COM1/
COM2: 1...10 = expansion 1...10
4
)
In case of module errors, with channel "31 = Module itself" is output.
State LEDs
LED State Color LED = OFF LED = ON LED flashes
PWR Process
voltage
24 VDC via
terminal
Green CPU module
voltage or
external
24 VDC supply
voltage is
missing
3.3 V system
voltage (I/O
bus) and
external
24 VDC supply
voltage are
present
---
ERR Channel or
module error
Red No error or
process
voltage is
missing
Severe error in
the module
Error on 1 or
more chan-
nels of the
module
Device Specifications
I/O Modules > Analog I/O Modules
2019/04/173ADR010121, 13, en_US446