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FX Series Programmable Controlers Applied Instructions 5
5-135
5.14.1 TCMP (FNC 160)
Contents:
S
1
, S
2
and S
3
represent hours, minutes and
seconds respectivel
y
. This time is compared to the
time value in the 3 data devices specified b
y
the
head address S. The result is indicated in the 3 bit
devices specified b
y
the head address D.
The bit devices in D indicate the followin
g
:
D
+0
is set ON, when the time in S is less than the time in S
1
, S
2
and S
3
.
D
+1
is set ON, when the time in S is equal to the time in S
1
, S
2
and S
3
.
D
+2
is set ON, when the time in S is
g
reater than the time in S
1
, S
2
and S
3
.
Points to note:
a) The status of the destination devices is kept, even if the TCMP instruction is deactivated.
b) The comparison is based on the time value specified in the source devices.
- The valid ran
g
e of values for S
1
and S
+0
is 0 to 23 (Hours).
- The valid ran
g
e of values for S
2
and S
+1
is 0 to 59 (Minutes).
- The valid ran
g
e of values for S
3
and S
+2
is 0 to 59 (Seconds).
c) The current time of the real time clock can be compared b
y
specif
y
in
g
D8015 (Hours),
D8014 (Minutes) and D8013 (Seconds) as the devices for S
1
, S
2
and S
3
respectivel
y
.
Mnemonic Function
Operands
Program steps
S
1
S
2
S
3
SD
TCMP
FNC 160
(Time
Compare)
Compares two
times - results of
<, = and > are
g
iven
K, H,
KnX, KnY, KnM, KnS,
T, C, D,
V, Z
T, C, D Y, M, S TCMP,
TCMPP:
11 steps
Note:
3 consecutive
devices are used.
X10
K10 K30
K50
D0
D0TCMP
M0
M1
M2
[ S
1
][ S
2
]
[ S ][ S
3
][ D ]
ON when D0,D1,D2 < 10:30:50
ON when D0,D1,D2 = 10:30:50
ON when D0,D1,D2 > 10:30:50