Omron CJ1W-CT021, Инструкции по эксплуатации, Страница: 139 / 196

4-15
4 Exchanging Data with CPU
CJ-series High-speed Counter Units Operation Manual for NJ-series CPU Unit(W492)
4-2 Mem
o
ry
Alloca
tion
4
4-2-3 D
etails of De
vice V
ar
iab
les f
or CJ-ser
ies Unit (f
or in
put/output)
*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.
~~
*_Ch2_RngCmpSta31 BOOL R Ranges/Comparison
Values 31 active 1: Met, 0: Not met
*_Ch2_LinCtVal DINT R Counter Value 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
*_Ch2_RingCtVal UDINT R Counter Value Shows the encoder Counter Value.
Used for Circular Counter.
Data range:
0 to 4,294,967,295
Unit: Pulse
*_Ch2_CtOvf BOOL R Counter Overflow 1: The upper count limit of the Linear Counter is
reached.
*_Ch2_CtUdf BOOL R Counter Underflow 1: The lower count limit of the Linear Counter is
reached.
*_Ch2_CtRun BOOL R Counter Run-
ning/Gate Open 1: During Counter operation/while gate open
0: While Counter stopped/while gate closed
*_Ch2_CntDir BOOL R Counting Direction 1: Count up
0: Count down
*_Ch2_PrstSta BOOL R
Preset Activated
*2 1: The presets are executed.
*_Ch2_RstSta BOOL R
Reset Activated
*2 1: A reset is executed.
*_Ch2_ZSig BOOL R
Z-signal Activated
*2
1: A Z signal is input.
*_Ch2_SmplCntSta_
CT021 BOOL R Simple Counter 1: Simple Counter
0: Circular/Linear Counter
Name of device variable
for CJ-series Unit
Type R/W Name Function