Delta CT2000 Series, User Manual

Page: 545 / 634

Chapter 16 PLC Function

CT2000 Series
16-104
API
OR
※
S1 S2
Contact form compare OR*
240~
246
D
Bit device Word device
16-bit command (5 STEP)
OR
※
Continuous
execution type
－ －
32-bit command (9 STEP)
DOR
※
Continuous
execution type
－ －
Flag signal: none
X Y M K H KnX KnY KnM T C D
S1
＊ ＊ ＊ ＊ ＊ ＊ ＊ ＊
S2 ＊ ＊ ＊ ＊ ＊ ＊ ＊ ＊
Notes on operand usage:
※：
=
、
>
、
<
、
<>
、≦、≧
Please refer to the function specifications table for each device in
series for the scope of device usage

S
1
: data source device 1.
S
2
: data source device 2.
 This command compares the content of
S
1
and
S
2
. Taking API 240 (OR=) as an
example, when the result of comparison is equal, this command will be activated;
when the result of comparison is unequal, this command will not be activated.
 The OR* command is a compare command in parallel with a contact.
API No. 16-bit commands 32-bit commands
Conditions for
activation
Conditions for
inactivation
240
OR
＝
D
OR
＝
S
1
＝
S
2
S
1
≠
S
2
241
OR
＞
D
OR
＞
S
1
＞
S
2
S
1
≦
S
2
242
OR
＜
D
OR
＜
S
1
＜
S
2
S
1
≧
S
2
244
OR
＜＞
D
OR
＜＞
S
1
≠
S
2
S
1
＝
S
2
245
OR
＜＝
D
OR
＜＝
S
1
≦
S
2
S
1
＞
S
2
246
OR
＞＝
D
OR
＞＝
S
1
≧
S
2
S
1
＜
S
2
33. When X0=On and the current value of C10 is also equal to K200, Y10=On.
34. When X1=Off and the content of register D0 is not equal to K-10, Y11=On and
remains in that state.
35. When X2 =On and the content of the 32-bit register D0(D11)is less than 678,493,
or M3=On, M50=On.
X2 M30
M60
OR>= K200 C10
X1
Y0
DOR>= D100 K100000