Delta-electronics Programmable Logic Controller DVP-PLC Manuel d'utilisateur Page 585

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10 Application Instructions API 200-249
DVP-PLC Application Manual
10-11
API Mnemonic Operands Function
232~
238
D
AND
AND 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
* * * * * * * * ***
AND
: 5 steps
DAND
: 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
: Data source device 1 S
2
: Data source device 2
Explanations:
1. See the specifications of each model for the range of operands.
2. This instruction compares the content in S
1
and S
2
. Take API232 (AND=) for example, if the result is “=”, the
continuity of the instruction is enabled. If the result is “”, the continuity of the instruction is disabled.
3. AND
(: =, >, <, <>, , ) is a comparison instruction is used on series contacts.
API No.
16 –bit
instruction
32 –bit
instruction
Continuity
condition
No-continuity
condition
232
AND DAND S
1
S
2
S
1
S
2
233
AND DAND S
1
S
2
S
1
S
2
234
AND DAND S
1
S
2
S
1
S
2
236
AND<> DAND<> S
1
S
2
S
1
S
2
237
AND<= DAND<= S
1
S
2
S
1
S
2
238
AND>= DAND>= S
1
S
2
S
1
S
2
4. When 32-bit counters (C200 ~ C255) are used in this instruction for comparison, make sure to adopt 32-bit
instruction (DAND
). If 16-bit instructions (AND) is adopted, a “program error” will occur and the ERROR
indicator on the MPU panel will flash.
Program Example:
1. When X0 = On and the content in C10 = K200, Y10 = On.
2. When X1 = Off and the content in D0 K-10, Y11= On will be retained.
3. When X2 = On and the content in 32-bit register D0 (D11) < 678,493 or M3 = On, M50 = On.
AND=
K200
C10
DAND>
K678493 D10
M3
Y10
AND<>
K-10 D0
SET Y11
M50
X2
X1
X0
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