Omron CPM1 - PROGRAMING MANUAL 02-2001 Programming Manual page 78

CPM2A/CPM2C High-speed Counters
Ladder Diagram
Programming
The following table shows the instructions related to high-speed counter control.
Instruction Control
(@)CTBL(63)
Register target value
comparison table
Register range
comparison table
Register target value
comparison table and
start comparison
Register range
comparison table and
start comparison
(@)INI(61)
Start comparison
Stop comparison
Change PV
( ) (@)PRV(62) ( ) Read PV
Read status
Read range comparison
result
(@)INT(89) Mask all interrupts
Unmask all interrupts
The following table shows the data areas related to high-speed counter control.
Word Bits
248 High-speed counter PV
00 to 15
249 249
00 to 15
252 00 High-speed counter reset
AR11
00 to 07 High-speed counter range
comparison results
08 High-speed counter
comparison
09 High-speed counter PV
overflow/underflow
Register Target Value Comparison Table
Register Target Value Comparison Table and Start Comparison
These functions register a comparison table to the CPM2A/CPM2C for the pur-
pose of count checking in target value comparison. It is also possible to start the
comparison along with the registration.
Register Target Value Comparison Table
(@)CTBL(63)
Port specifier (000: High-speed counter)
000
Mode designation (002: Register target value comparison table only)
002
Beginning word of comparison table
S
Registers target value comparison table.
Registers range comparison table.
Registers target value comparison table
and starts comparison.
Registers range comparison table and
starts comparison.
Starts comparison with registered
comparison table.
Stops comparison.
Changes the high-speed counter PV.
Reads the high-speed counter PV.
Reads the high-speed counter status.
Reads range comparison result.
Prohibits all interrupts, including interrupt
inputs, interval timer interrupts,
high-speed counters, etc.
Permits all interrupts, including interrupt
inputs, interval timer interrupts,
high-speed counters, etc.
Name
g p
Section 2-2
Operation
Contents
Reads high-speed counter g p
PV PV.
When this bit turns ON, a
software reset is triggered
for the high-speed counter.
ON: Condition satisfied
OFF: Condition not satisfied
ON: Comparison in progress
OFF: Comparison stopped
ON: Overflow/underflow
OFF: Normal
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