Siemens 6ES7131-6BF00-0DA0 - Page 47

Counting operating mode (CNT)
4.3 Interrupts/diagnostic messages
Digital input module DI 8x24VDC HS (6ES7131‑6BF00‑0DA0)
Manual, 03/2015, A5E35243810-AA
47
4.3.2
Interrupts
The DI 8×24VDC HS digital input module supports diagnostic interrupts.
Diagnostic interrupts
The module generates a diagnostic interrupt at the following events:
● Channel temporarily unavailable
● Short-circuit
● Parameter assignment error
● No load voltage
4.3.3
Diagnostics alarms
A diagnostic interrupt is output for each diagnostics event and the DIAG LED on the module
flashes. The diagnostic interrupts can, for example, be read from the diagnostics buffer of
the CPU. You can evaluate the error codes with the user program.
Table 4- 7 Diagnostic interrupts, their meaning and how to deal with them
Diagnostic interrupt
Error code
Meaning
Remedy
Short-circuit
1
H
Short-circuit to ground at encoder supply
Correct process wiring
Parameter assign-
ment error
10
H
• The module cannot evaluate parame-
ters for the channel.
• Incorrect parameter assignment.
Correct parameter assignment
No load voltage 11
H
No or insufficient supply voltage L+
• Check supply voltage L+ on the Ba-
seUnit
• Check BaseUnit type
Channel temporarily
unavailable
1F
H
Firmware update in progress or update
has been canceled.
The module reads no process values in
this state.
• Wait for firmware update.
• Restart the firmware update.