Omron CJ1W-CT021 Operation Manuals page 139

Name of device variable
for CJ-series Unit
*_Ch2_RngCmpSta31
*_Ch2_LinCtVal
*_Ch2_RingCtVal
*_Ch2_CtOvf
*_Ch2_CtUdf
*_Ch2_CtRun
*_Ch2_CntDir
*_Ch2_PrstSta
*_Ch2_RstSta
*_Ch2_ZSig
*_Ch2_SmplCntSta_
CT021
*1 These bits have no function for Simple Counters.
*2 The Reset, Preset, and Z-signal Activated turn ON for at least one CPU Unit task period after the occurrence of
a pulse that was detected since the previous I/O refresh.
*3 During initialization, the Unit turns ON for approximately 120 ms.
CJ-series High-speed Counter Units Operation Manual for NJ-series CPU Unit(W492)
Type R/W Name
BOOL R Ranges/Comparison
Values 31 active
DINT R Counter Value
UDINT R Counter Value
BOOL R Counter Overflow
BOOL R Counter Underflow
BOOL R Counter Run-
ning/Gate Open
BOOL R Counting Direction
BOOL R
Preset Activated
BOOL R
Reset Activated
BOOL R
Z-signal Activated
BOOL R Simple Counter
4 Exchanging Data with CPU
~~
1: Met, 0: Not met
Shows the encoder Counter Value.
Used for Simple Counter or Linear Counter.
Data range:
−2,147,483,648 to 2,147,483,647
Unit: Pulse
Shows the encoder Counter Value.
Used for Circular Counter.
Data range:
0 to 4,294,967,295
Unit: Pulse
1: The upper count limit of the Linear Counter is
reached.
1: The lower count limit of the Linear Counter is
reached.
1: During Counter operation/while gate open
0: While Counter stopped/while gate closed
1: Count up
0: Count down
*2 1: The presets are executed.
*2 1: A reset is executed.
*2 1: A Z signal is input.
1: Simple Counter
0: Circular/Linear Counter
Function
4-15
4