Delta DVP-ES2 User Manual
Page 599
3 . I n s t r u c t i o n S e t
3 - 4 8 3
API Mnemonic Operands
Function
275~
280
FLD※
Floating Point Contact Type
Comparison LD※
Controllers
ES2/EX2 SS2 SA2
SE
SX2
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
*
*
*
FLD※: 9 steps
PULSE 16-bit 32-bit
ES2/EX2 SS2
SA2
SE
SX2 ES2/EX2 SS2
SA2
SE
SX2 ES2/EX2 SS2
SA2
SE
SX2
Operands:
S
1
: Source device 1 S
2
: Source device 2
Explanations:
1.
This instruction compares the content in S
1
and S
2
. Take “FLD=” for example, if the result is “=”,
the continuity of the instruction is enabled. If the result is “
≠”, the continuity of the instruction is
disabled.
2.
The user can specify the floating point value directly into operands S
1
and S
2
(e.g. F1.2) or
store the floating point value in D registers for further operation.
3. FLD※ instruction is used for direct connection with left hand bus bar.
API No.
32 -bit instruction
Continuity condition
Discontinuity condition
275
FLD＝
S
1
＝S
2
S
1
≠S
2
276
FLD＞
S
1
＞S
2
S
1
≦S
2
277
FLD＜
S
1
＜S
2
S
1
≧S
2
278
FLD＜＞
S
1
≠S
2
S
1
＝S
2
279
FLD＜＝
S
1
≦S
2
S
1
＞S
2
280
FLD＞＝
S
1
≧S
2
S
1
＜S
2
Program Example:
When the content in D200(D201)
≤ F1.2 and X1 is ON, Y21 = ON and latched.
FLD<=
D200
F1.2
X1
SET
Y21