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2
0
2
0
-0
6
60
Troubleshooting
•
MI-SCS
: Module information
—
sensor short circuit
•
MI-LVA
: Module information
—
low-voltage auxiliary power supply
•
MI-LVS
: Module information
—
low-voltage system/sensor power supply
Error in the Auxiliary Voltage/Actuator Power Supply
The voltage value of the power supply for the auxiliary voltage/actuator power supply is moni-
tored globally.
If the U
AUX
diagnostic messaging is enabled, an error message is generated as soon as the
voltage falls below approx. 18.6 V or rises above 30 V.
The red U
AUX
LED lights up.
If the output channels are enabled, additional error messages, which are caused by the power
failure, are generated at the IO-Link connections.
The U
AUX
diagnostic message is disabled by default and must be enabled through parameterization.
The following table shows the used diagnostic bits in the status data of the IO-Link master:
This includes:
•
MI-FMA
: Module information
—
force mode active
•
MI-VAL
: Module information
—
IO-Link validation error
•
MI-SCB
: Module information
—
actuator short circuit, channel B
•
MI-SCA
: Module information
—
actuator short circuit, channel A
•
MI-SCS
: Module information
—
sensor short circuit
•
MI-LVA
: Module information
—
low-voltage auxiliary power supply
•
MI-LVS
: Module information
—
low-voltage system/sensor power supply
Overload/Short Circuit of the Sensor Supply Outputs of the IO-Link
Connections
In the event of an overload or short circuit between pin 1 and pin 3 at connections X1 - X8, the
following channel-specific diagnostic messages are generated:
This includes:
•
MI-FMA
: Module information
—
force mode active
•
MI-VAL
: Module information
—
IO-Link validation error
•
MI-SCB
: Module information
—
actuator short circuit, channel B
•
MI-SCA
: Module information
—
actuator short circuit, channel A
•
MI-SCS
: Module information
—
sensor short circuit
•
MI-LVA
: Module information
—
low-voltage auxiliary power supply
•
MI-LVS
: Module information
—
low-voltage system/sensor power supply
•
SCS-X1 ... SCS-X8
: Sensor short circuit at connections X1 to X8
Input
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Byte 4
0
MI-FMA
MI-VAL
MI-SCB
MI-SCA
MI-SCS
MI-LVA
MI-LVS
Input
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Byte 4
0
MI-FMA
MI-VAL
MI-SCB
MI-SCA
MI-SCS
MI-LVA
MI-LVS
Byte 6
SCS-X8
SCS-X7
SCS-X6
SCS-X5
SCS-X4
SCS-X3
SCS-X2
SCS-X1