J-21
LCD Display Counter/Timer
(A) 
Photoelectric 
Sensors
(B) 
Fiber
Optic
Sensors
(C) 
Door/Area
Sensors
(D) 
Proximity
Sensors 
(E) 
Pressure
Sensors 
(F) 
Rotary
Encoders 
(G) 
Connectors/
Connector Cables/
Sensor Distribution
Boxes/Sockets 
(H)
Temperature
Controllers
(I)
SSRs / Power
Controllers
(J) 
Counters 
(K) 
Timers
(L) 
Panel
Meters 
(M)
Tacho /
Speed / Pulse
Meters 
(N)
Display
Units
(O)
Sensor
Controllers 
(P)
Switching
Mode Power
Supplies 
(Q)
Stepper Motors 
& Drivers 
& Controllers
(R)
Graphic/
Logic
Panels
(S)
Field
Network
Devices
(T) 
Software
 Output Operation Mode (Counter)
 Output Operation for Other Conditions
Retained output
Coincidence output
※
OUT1
 is available to set as ‘0’ regardless of output mode. The output for '0' setting executes. 
※
In case of 
C
, 
R
, 
P
, 
Q
 output mode for 
OUT2
, setting ‘0’ is not available. 
Output
mode
Input mode
Operation
Up/Down A, B, C
S
[
S
]
RESET
999999
-99999
0
SET2
SET1
OUT1
OUT2
(OUT)
※
OUT1 keeps ON status in following 
condition 
: Counting display value ≥ SET1
※
OUT2 keeps ON status in following 
condition 
: Counting display value ≥ SET2
T
[
T
]
RESET
999999
-99999
0
SET2
SET1
OUT1
OUT2
(OUT)
※
OUT1 output is off 
: Counting display value ≥ SET1 
(when SET1 is 0, OUT1 output maintains 
ON state.)
※
OUT2 keeps ON status in following 
condition 
: Counting display value ≥ SET2
D
[
D
]
RESET
999999
-99999
0
SET2
SET1
OUT1
OUT2
(OUT)
※
When counting display value is equal to 
setting value (SET1, SET2) only, OUT1 
or OUT2 output keeps ON status.
※
When setting 1kcps for counting speed, 
solid state contact output should be used. 
(when using contact output, it is difcult 
to execute normal output operation due 
to contact reaction time.)
-
UP
, 
UP-1
, 
UP-2
, 
UP-3
 mode: Output of 
OUT1
 does not execute. When PV is same as SET2, output of 
OUT2
 turns ON.
-
UD-A
, 
UD-B
※
1
, 
UD-C
※
1
 mode: When PV counts down and is same as SET1, output of 
OUT1
 turns ON.
-Output of 
OUT1
 does not execute.
-In case of 
UP
, 
UP-1
, 
UP-2
, 
UP-3
, 
UD-A
, 
UD-B
※
1
, 
UD-C
※
1
 mode, output of OUT1 turns ON when RESET ON to OFF.
-Output of 
OUT1
 turns ON for RESET OFF. 
※
1: This is for the voltage input(PNP)/no-voltage input(NPN) selectable model (CX6 - ).
 When Start Point is larger or equal than setting value 
(
UP
, 
UP-1
, 
UP-2
, 
UP-3
, 
UD-A
, 
UD-B
, 
UD-C
 mode)
 
When SET1 is larger or equal than SET2 at down mode
 When setting SET2>Start Point>SET1
 When SET2>SET1
 When setting SET2>Start Point=SET1
 When SET2=SET1