Siemens SIMATIC ET 200SP HA Handbuch - Seite 32

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Siemens SIMATIC ET 200SP HA Handbuch
Drivers, parameters, diagnostics messages and address space
A.4 Diagnostics messages and maintenance events
A.4

Diagnostics messages and maintenance events

Diagnostics messages
A diagnostics message is generated for every fault identified. The DIAG LED on the module
flashes.
There is additionally a channel-specific display of the diagnostics through the corresponding
channel fault LEDs
The diagnostic messages can, for example, be read from the diagnostic buffer of the CPU.
Diagnostic messages are either assigned to an input for specific channels or assigned to all
inputs as a module alarm. For diagnostic messages which affect the entire module, all channels
are switched off. For diagnostic messages which refer to individual channels, only the
corresponding digital input is affected.
Table A-1
Diagnostics messages, their meaning and how to deal with them
Diagnostics mes‐
Error
sage
code
Wire break
6
H
Parameter as‐
10
H
signment error
Supply voltage
11
H
missing
Channel/compo‐
1F
H
nent temporarily
unavailable
Hardware inter‐
16
H
rupt lost
Module is faulty
100
H
32
Assignment
Meaning
Digital input
Impedance of encoder circuitry is too
high
Wire break between the module and
sensor
Channel not connected (open)
Module
● Parameter assignment does not
match the terminal block used
● Incorrect parameter assignment
Module
Missing or insufficient supply voltage
L+
Module
Update of the firmware is being per‐
formed or has been canceled.
The module does not import any
process values during this time.
Module
Error is reported because the events
occur faster than they can be pro‐
cessed in the system
Module
Internal module error has occurred
Digital input module DI 8x24...125VDC HA (6DL1131-6DF00-0PK0)
[ID: 91008185867]
Solution
Use a different encoder type or
modify the wiring, for example,
using cables with a larger cross-
section
Connect the cable
● Disable diagnostics
● Connect encoder contacts
with a 25 kΩ to 45 kΩ resistor.
● Correct the parameter
assignment
● Check terminal block
1
● Check wiring of the supply
voltage L+ on the terminal
block
● Check the terminal block type
● Restart firmware update
● Wait for firmware update
Replace I/O module
Manual, 11/2017, A5E39288633-AB