Emerson PACSystems RSTi-EP - Process Data† Inputs EP-5212

User Manual Section 5
GFK-2958L May 2021
Detailed Description of I/O Modules 253
5.18.5 Process Data† Inputs EP-5212
Byte
Format
Name
Bit
Function when active
Remark
IB0 ... IB3
Double
word
Channel 0:
Counter value
Channel 0: Currently
measured value of period
duration multiplied by
125ns results in the
current period duration in
μ
s
IB4 ... IB7
Double
word
Channel 0: Number of
rising edges within the
current measurement
cycle
IB8 ... IB11
Double
word
Channel 1:
Counter value
Channel 1: Currently
measured value of period
duration multiplied by
125ns results in the
current period duration in
μ
s
IB12 ... IB15
Double
word
Channel 1: Number of
rising edges within the
current measurement
cycle
IB16
Word
Channel0:
Counter Status
IX16.0 ... 16.7
reserved
IB17
IX17.0
Measurement active
IX17.1 ... 17.7
reserved
IB18
Word
Channel 1:
Counter 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.