SICK T&D PBS Mode D'emploi page 39

Operating Instructions
Description of IO-Link functionality (if available)
Physical Layer
SIO Mode yes
Min. cycle time 2.3 ms
Data rate COM2 (38.4 kBaud)
Process data format 16 bit (frame type 2.2)
Process Data
The SICK pressure switch has one or two digital outputs. Both switching outputs are transmitted as
process data via IO-Link. The switching output Q2 is also available at pin 2 of the M12 connector. In
the SIO mode the switching output C/Q1 is available at pin 4 of the M12 connector.
In the communication mode this pin is exlusively used for communication. Information from the
pressure switch are transmitted using "frame type 2.2". Bit0 contains the switching state of switch
Q1 whereas bit2 contains the switching state of switch Q2. The digit 1 corresponds to the logical
state "closed" or to +24V on the corresponding output, respectively.
The remaining 14 bits reflect the analog measurement value of the pressure switch. The analog
pressure measurement value is mapped to a range of 0 to 10000 (digits). The lower end of the
measuring range (MBA) corresponds to the value 1000 whereas the upper end of the measuring
range (MBE) corresponds to 9000. Hence, it is required to know the measuring range of the sensor
in order to translate the transmitted continuous measurement signal into the actual pressure.
MSB
8013154/U275/2010/02/01
7. Starting, operation
Pressure value
© SICK AG • Germany • All rights reserved • Subject to change without notice
PBS
LSB
Q2 Q1
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