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6. Global Constant and Global Variable
6.3. Global Variable
R200
2MLF-HO2A, 2MLF-HD2A High Speed Counter Module User's Guide
95
May 2010
Honeywell
6.3 Global Variable
1.
The range of output data
Channel 0
Channel 1
Contents
_xy_CH0_CNT
_xy_CH1_CNT
Current count value
_xy_CH0_FRQ
_xy_CH1_FRQ
Count latch
_xy_CH0_LTH
_xy_CH1_LTH
Sampling count
_xy_CH0_RNG
_xy_CH1_RNG
Input frequency count
_xy_CH0_RPU
_xy_CH1_RPU
Revolution per unit time
ATTENTION
•
‘x’ means the base number and ‘y’ means the slot number which the high
speed counter module is mounted.
•
It is double word (dword) to the data type of the range of output data.
2.
The display of operation status and the range of operation command
CH
Output (CPU Module
High speed counter) Input (CPU Module
High speed counter)
Status
Details
Command
Details
CH
0
_xy_CH0_DN
Count Up/Down
status
_xy_CH0_CNTEN
Count enable (level)
_xy_CH0_EXTPRE Input detection of
external preset
_xy_CH0_PREEN
Preset enable (edge)
_xy_CH0_CRY
Carry detection
_xy_CH0_DWNCN
T
Up/Down count
selection (level)
_xy_CH0_BRW
Borrow detection
_xy_CH0_AUXEN
Additional function
enable(level/edge)
_xy_CH0_AUXING In operation of
additional function
_xy_CH0_CMPEN
Comparison enable
(level)
_xy_CH0_CMPOUT
0
The status of
comparison output 0
_xy_CH0_OUTEN
Comparison output
enable (level)