GE GFK-2958E, Руководство пользователя

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Chapter 5 Detailed Descriptions of I/O Modules
GFK-2958E RSTi-EP User Manual 204
Process Data
†
Inputs EP-5212
Byte Format Name Bit Function when active Remark
IB0 ... IB3 Double word
Counter 0:
Counter value
Channel 0: Currently measured value
of period duration multiplied by 125 ns
results in the current period duration
in μs
IB4 ... IB7 Double word
Counter 1:
Counter value
Channel 0: Number of rising edges
within the current measurement cycle
IB8 ... IB11 Double word
Counter 0:
Counter status
Channel 1: Currently measured value
of period duration multiplied by 125 ns
results in the current period duration
in μs
IB12 ... IB15 Double word
Counter 1:
Counter status
Channel 1: Number of rising edges
within the current measurement cycle
IB16
Word
Channel 0:
Status
IX16.0
... 16.7
reserved
IB17
IX17.0 Measurement active
IX17.1
... 17.7
reserved
IB18
Word
Channel 1:
Status
IX18.0
... 18.7
reserved
IB19
IX19.0 Measurement active
IX19.1
... 19.7
reserved
†
Internal process data mapping with data format Standard . Depending on the fieldbus specification and the data format of
the communicating fieldbus components the bytes and/or words can be reversed during data transfer.
Process Data † Outputs EP-5212
Byte Format Name
Bit Function when
edge 0-1 Remark
QB0 ... QB3 Double word
Channel 0:
Measurement
cycle period Channel 0: Preset value of the
measurement cycle period (23 Bit)
QB4 ... QB7 Double word
Channel 1:
Measurement
cycle period Channel 1: Preset value of the
measurement cycle period (23 Bit)
QB8
Word
Channel 0:
Control word
QX8.0 -
QX8.7
reserved
QB9
QX9.0 Measurement start
QX9.1 Measurement stop
QX9.2 -
9.7
reserved
QB10
Word
Channel 1:
Control word
QX10.0
- X10.7
reserved
QB11
QX11.0 Measurement start
QX11.1 Measurement stop
QX11.2
- 11.7
reserved
†
Internal process data mapping with data format Standard . Depending on the fieldbus specification and the data format of
the communicating fieldbus components the bytes and/or words can be reversed during data transfer.