Siemens S7-1200 - Diagnostic Alarms

SM 1278 4xIO-Link Master
15.4 Interrupt, error, and system alarms
S7-1200 Programmable controller
826 System Manual, 03/2014, A5E02486680-AG
LED port error
F1 ... F4
Meaning
Off
No error
On
Error
15.4.2
Diagnostic alarms
Module errors are indicated as diagnostics (module status) only in IO-Link mode.
Diagnostic
alarm
Error code
(decimal)
STATU
S
(W#16#.
..)
Meaning (IO-Link error code)
IO-Link
master
IO-Link
device
Short-circuit 1
1804
Short-circuit at the process cables on the IO-Link device
X
7710
Short-circuit on IO device
X
Undervoltage 2 5111
5112
Supply voltage too low X
Overvoltage
3
5110
Supply voltage too high
X
Overheating 5
1805
Temperature exceeded on master
X
4000
4210
Temperature exceeded on device X
Wire break 6 1800
• No IO-Link device connected
• There is a break on the signal line to the IO-Link device
• IO-Link device cannot communicate due to a different error
X
Overflow 7 8C10
8C20
Process tag range exceeded X
8C20
Measuring range exceeded
Underflow
8
8C30
Process tag range too low
X
Error 9 --- All IO-Link error codes that are not listed here are mapped to
this PROFIBUS DP error
X
Parameter
assignment
error
16 1882
1883
IO-Link master could not be configured X
1802 Incorrect device
1886
Storage error
6320
6321
6350
Device was not configured correctly X
Supply
voltage
missing
17
1806
L+ supply voltage for device missing
X
1807 L+ supply voltage for device too low (<20 V)