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
Inter-
face
Device
Module
Channel
Error-
Identifier
Error message
Remedy
1
)
2
)
3
)
4
)
Module error DC562
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
43
Internal error in the
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
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)
3
)
With "Module" the following allocation applies depending on 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 (4 = DC); 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
Inputs/outputs
C0...C15
Digital input
or
digital output
Yellow
Input/output
is OFF
Input/output is ON
(the LEDs are only
operating if the
module's circuitry is
supplied via the
I/O bus)
Device specifications
I/O modules > Digital I/O modules
2022/01/31
3ADR010278, 3, en_US
157