Wieland SP-SDIO - Page 64

Diagnostics
Wieland Electric GmbH | BA000966 | 07/2016 (Rev. C)
64
MS LED mo-
dule state
State
Additional info
Red flashing (1
Hz)
There is no project at the control or the pro-
ject data is faulty (because, e.g., the number
of inserted I/O modules does not match the
project)
No module or faulty module configuration
Green flashing
(1 Hz)
Project data adopted from control and I/O
modules; waiting for start command
Green
Control has started.
/
Red/green
flashing
One or more inputs have a cable break or
short-circuit to 24V.
Or there is a sequence/synchronous time
error at a two-channel input.
Or an output has a test error (e.g. short-
circuit).
Code-verified CV LED
Control behavior
Yellow flashing (1 Hz)
The project at the control has not been verifi-
ed.
The control will not start automatically after
power ON reset.
Yellow
The project at the control has been verified.
The control will start automatically after
power ON reset.
NET
Meaning
Flashing green
(for 3 s)
Connection setup with control
Input LED
Meaning
Additional info
Green flashing
(1 Hz)
A single-channel input has a test error (cable
break or short-
circuit at 24 V) or the input was
not configured in the project and 24 V is pen-
ding.
Applies to I1 to I16 and IQ1 to IQ4 if single-
channel has been configured.
Flashes synchronously with MS LED in red.
Green flashing,
alternating (1
Hz)
Two-channel input has synchronous time
error or a sequencing error or at least one of
the two inputs has a test error (cable break or
short-circuit at 24 V)
Applies to I1 to I16 and IQ1 to IQ4 if two-
channel has been configured.
Input pair flashing on and off
Off
Signal level at the input terminal is 0 V.
Green
Signal level at the input terminal is 24V.