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14 IO-Link Interface
14 IO-Link Interface
14.1 General device information
Baud rate
Process data length input
Minimum cycle time
IO-Link version
SIO mode
14.2 SIO mode (standard IO mode)
In this mode, the sensor operates in the same way as a nor-
mal temperature sensor with standard output signals. The di-
gital output is always at pin 4 (output 1) of the M12 plug. Pin 2
(output 2) can be an analogue or additional digital output, de-
pending on the version.
14.3 IO-Link mode (communication mode)
The temperature sensor switches to the IO-Link communica-
tion mode when it is operating under an IO-Link master. IO-
Link communication is only possible via pin 4 of the M12
plug.
14.4 Process data
The process data length of the sensor is 16 bits. Both the
switching states (BCD1 and BCD2) and the current measured
values are transferred. The 14 bits of the measured value are
scaled according to the sensor's measuring range.
15 bits 14–2
1
Signed
Measured
BDC2 / output 2
Bit
value
14.5 Error Codes
Error Code
0x8011
0x8012
0x8023
0x8030
0x8033
0x8034
GEMÜ 3240
COM 2 (38.4 kBaud)
2 bytes
5 ms
V1.1
Yes
0
BDC1 / output 1
Description
Index not available
Subindex not available
Access Denied
Parameter value out of range
Parameter length overrun
Parameter length underrun
14.6 Event Codes
IO-Link
1.1 Event
Codes
No malfunc-
0x0000
tion
General
0x1000
malfunc-
tion. Un-
known error
Process
0x8C10
variable
range over-
run. Pro-
cess Data
uncertain
Process
0x8C30
variable
range un-
der-run.
Process
Data uncer-
tain
20 / 28
IO-Link 1.0
Device
Event
status
Codes
0x0000
0
Notification
0x1000
4
Error
0x8C10
2
Warning
0x8C10
2
Warning
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