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3. Commissioning
3.3
I/O assignment of the CMIX / address range
I/O
Byte 0
Output data
Setpoint value
LSB
Input data
Actual value: position or speed
LSB
Tab. 3/2:
Module output data of the CMIX with 32-bit integer format
I/O
Byte 0
Output data
Setpoint value
16 bit before the decimal
Input data
Actual value: position or speed
16 bit before the decimal
Tab. 3/3:
Module output data of the CMIX with decimal format
Festo P.BE-CPX-CMIX-EN en 1208a
The CMIX is controlled by the CPX node via the internal bus
using 6 bytes of output data and 6 bytes of input data.
Byte 4 serves as control or status byte; in bytes 0 ... 3 actual
value and setpoint value are transferred.
Format 32-bit integer (DINT, int32)
(Control byte CCON B1 = 0)
Byte 1
Byte 2
...
...
...
...
Decimal format
Especially for controls that can only process 16-bit values.
(Control byte CCON B1 = 1)
Byte 1
Byte 2
16 bit after the decimal
16 bit after the decimal
Byte 3
Byte 4
Control byte
CCON
MSB
Status byte
SCON
MSB
Byte 3
Byte 4
Control byte
CCON
Status byte
SCON
Byte 5
reserved
reserved
Byte 5
Reserved
Reserved
3-5
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