Delta VP3000 Series - Page 385

Chapter 7 Second Development Platform VP3000
376
API Instruction code Operand Function
232–238 D
AND※
S
1
, S
2
Contact type comparison AND※
Type
Operand
Bit devices Word devices
16-bit instruction (5 steps)
AND※
Continuous
execution
type
- -
32-bit instruction (9 steps)
DAND※
Continuous
execution
type
- -
Associated flag: none
X Y M K H KnX KnY KnM T C D
S
1
       
S
2
       
Caution for using operand ※: =, >, <, <>, ≦, ≧
 See the specification of each model for the scope of device’s usage.
Description
 S
1
: source device 1
S
2
: source device 2
 This instruction is to compare S
1
and S
2
, take API 232 (AND=) as an example, if the result is
“equal to”, the continuity of the instruction is enabled; if the result is “not equal to”, the
continuity of the instruction is disabled.
 AND※ (※: =, >, <, <>, ≦, ≧) instruction is used for serial connection with contacts
API No. 16-bit instruction 32-bit instruction
Continuity
condition
Discontinuity
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
Example
 When X0 = ON, and the current value of C10 = K200, then Y10 = ON
 When X1 =OFF, and D0 ≠ K-10, then Y11 = ON and hold.
 When X2 = ON, the 32-bit register D0 (D11) is less than 678,493 or M3 = ON, then M50 = ON.
AND=
K200 C10
DAND>
K678493 D10
M3
Y10
AND<>
K-10 D0
SET Y11
M50
X2
X1
X0