Omron CJ1-CT021 Operation Manual page 116

Memory Allocation
Word
(input)
n+25, n+26 00-15
n+27, n+28 00-15
n+29 00
01
02
03
04
05
06
07
08-09
10
11
12-14
15
n+30 to n+39 00-15
Bit Item
Ranges /
Comparison Values
active**
Counter Value
Counter Overflow
Counter Underflow
Counter Running /
Gate Open
Counting Direction
Preset Activated
Reset Activated
Capture Activated
Z-signal Activated
---
Rate Range 0**
Rate Range 1**
---
Simple Counter
---
** Bit(s) have no function for Simple Counters.
***The Reset, Preset, Capture and Z-signal Activated Bits are ON for exactly one
PLC-cycle after the occurrence of a (short) pulse which was detected since the
previous I/O Refresh.
Counter 2
Ranges Active (=1) / Inactive (=0) /
Comparison Values Active (=1) / Inactive (=0)
Counter Value
Counter Overflow (=1), Upper Count Limit of Linear
Counter is reached
Counter Underflow (=1), Lower Count Limit of Linear
Counter is reached
Counter Running/Gate Open (=1),
Counter Stopped/Gate Closed (=0)
Counting Direction, Down (=0) / Up (=1)
Preset Activated (=1)
Reset Activated (=1)
Capture Activated (=1)
Z-signal Activated (=1)
Not used
Rate Range 0 Active (=1)
Rate Range 1 Active (=1)
Not used
Simple Counter (=1) / Circular/Linear Counter (=0)
Not used
Section 4-2
Function
101