Mitsubishi Electric MELSEC FX3U - Page 260

258
FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
9 Move and Compare – FNC 10 to FNC 19
9.2 FNC 11 – ZCP / Zone Compare
Cautions
1. Number of occupied devices
From the device specified as , three devices are occupied. Make sure not to use devices used in
another control.
2. Upper comparison value and lower comparison value
The lower comparison value should be smaller than the upper comparison value .
1) When the lower comparison value is smaller than the upper comparison value
2) When the lower comparison value is larger than the upper comparison value
D
S 1 S 2
S 1 S 2
M 3
M 4
M 5
X000
ZCP
K100 K120 C30 M3
C30
M3
M4
M5
S 1  S 2  S  D 
99
100
119
120
121
…
X000
Turns ON in the case of
"K100
> C30 (Current value)" .
Turns ON in the case of
"K100
≤ C30 (Current value) ≤ K120" .
Turns ON in the case of
"K120
< C30 (Current value)" .
S 1 S 2
X000
M 3
M 4
M 5
ZCP
K120 K100 C30 M3
It is handled as
K120 .
S 1  S 2  S  D 
S 1 
X000
99
100
119
120
121
C30
M3
M4
M5
…
Turns ON in the case of
"K120
> C30 (Current value)" .
Turns ON in the case of
"K120 = C30 (Current value)" .
Turns ON in the case of
"K120
< C30 (Current value)" .