9 Application Instructions API 150-199
DVP-PLC Application Manual
9-40
API Mnemonic
Operands
Function
161
TZCP P
Time Zone Compare
Controllers
ES/EX/SS SA/SX/SC EH/SV
Bit Devices
Word Devices
Program Steps
Type
OP
X Y M S K H
KnX
KnY KnM KnS T
C
D
E
F
S
1
*
*
*
S
2
*
*
*
S
*
*
*
D
*
*
*
TZCP, TZCPP: 9 steps
PULSE 16-bit 32-bit
ES EX SS SA SX SC EH SV ES EX SS SA SX SC EH SV ES EX SS SA SX SC EH SV
Operands:
S
1
: Lower bound of the time for comparison
S
2
: Upper bound of the time for comparison
S
: Current time of
RTC
D
: Comparison result
Explanations:
1.
S
1
,
S
2
, and
S
will occupy 3 consecutive devices.
2.
The content in
S
1
must be less than the content in
S
2
.
3.
D
will occupy 3 consecutive points.
4.
See the specifications of each model for their range of use.
5.
S
is compared with
S
1
and
S
2
. The comparsion result is stored in
D
.
6.
S
1
,
S
1
+1,
S
1
+2: The “hour”, “minute” and “second” of the lower bound of the time for comparison.
7.
S
2
,
S
2
+1,
S
2
+2: The “hour”, “minute” and “second”ond” of the upper bound of the time for comparison.
8.
S
,
S
+1,
S
+2: The “hour”, “minute” and “second” of the current time of RTC.
9.
D0 designated by
S
is read by TRD instruction and the comparison is started by TZCP instruction. If
S
1
,
S
2
, and
S
exceed their ranges, the program will regard this as an operation error and the instruction will not be
executed, M1067 and M1068 = On and D1067 will record the error code 0E1A (hex).
10. When
S
<
S
1
and
S
<
S
2
,
D
will be On. When
S
>
S
1
and
S
>
S
2
,
D
+ 2 will be On. In other occasions,
D
+ 1
will be On.
Program Example:
When X10= On, TZCP instruction will be executed and one of M10 ~ M12 will be On. When X10 = Off, TZCP
instruction will not be executed and the status of M10 ~ M12 prior to X10 = Off will remain unchanged.
X10
M10
TZCP
D0
D20
D10
M10
M11
M12
ON when
ON when
ON when
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