Mitsubishi Electric MELSEC-Q Structured Programming Manual page 75

FXCPU Structured Programming Manual
[Device & Common]
6. In FX /FX PLCs
U 2C
Counter No.
1-phase
1-counting
input
1-phase
2-counting
input
2-phase
2-counting
input
H/W : Hardware counters
A : Phase A input
7. In FX /FX /FX
0S 0
Counter No.
1-phase
1-counting
input
1-phase
2-counting
input
2-phase
2-counting
input
H/W : Hardware counters
A : Phase A input
Classification
C235 S/W
C236 S/W
C237 S/W
C238 S/W
C239 S/W
C240 S/W
C241 S/W
C242 S/W
C243 S/W
C244 S/W
C245 S/W
C246 S/W
C247 S/W
C248 S/W
C249 S/W
C250 S/W
C251 S/W
C252 S/W
C253 S/W
C254 S/W
C255 S/W
S/W : Software counters
B : Phase B input
PLCs
0N
Classification
C235 S/W
C236 S/W
C237 S/W
C238 S/W
C241 S/W
C242 S/W
C244 S/W
C246 S/W
C247 S/W
C249 S/W
C251 S/W
C252 S/W
C254 S/W
S/W : Software counters
B : Phase B input
Input terminal assignment
X000 X001 X002 X003
U/D
U/D
U/D
U/D
U/D R
U/D R
U/D R
U/D R
U D
U D R
U
U D R
U
A B
A B R
A
A B R
A
U : Up-counting input
R : External reset input S : External start input
Input terminal assignment
X000 X001 X002 X003
U/D
U/D
U/D
U/D
U/D R
U/D R
U/D R S
U D
U D R
U D R S
A B
A B R
A B R S
U : Up-counting input
R : External reset input S : External start input
2 Devices in Detail
2.7 High Speed Counter [C]
X004 X005 X006 X007
U/D
U/D
U/D R
S
S
D R
S
D R S
B R
S
B R S
D : Down-counting input
D : Down-counting input
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