Internal value
Operating modes for the analog inputs, individu-
ally configurable
7
-5 V...+5 V
20
-2,5 V...+2,5 V
Diagnosis
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
)
Module error
3
14
1...10
31
31
19
Checksum error in the
I/O module
Replace
I/O module
11 / 12
ADR
1...10
3
14
1...10
31
31
9
Overflow diagnosis
buffer
Restart
11 / 12
ADR
1...10
3
14
1...10
31
31
26
Parameter error
Check
master
11 / 12
ADR
1...10
3
14
1...10
31
31
11
Process voltage too low Check
process
voltage
11 / 12
ADR
1...10
Channel error
4
14
1...10
1
0...3
48
Analog value overflow
at an analog input
Check
input value
or terminal
11 / 12
ADR
1...0
4
14
1...10
1
0...3
7
Analog value underflow
at an analog input
Check
input value
11 / 12
ADR
1...0
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 = expansion module 1...10, ADR = hardware
address (e. g. of the DC551-CS31)
Device specifications
I/O modules > Analog I/O modules
2022/01/31
3ADR010278, 3, en_US
356
