Xinje XD Series User Manual

97
4-4 Data compare function
Mnemonic
Function
Chapter
LD
＝
LD activates when (S1)
＝
(S2)
4-4-1
LD＞
LD activates when (S1)＞ (S2)
4-4-1
LD＜
LD activates when (S1)＜ (S2)
4-4-1
LD
＜＞
LD activates when (S1)≠ (S2)
4-4-1
LD＜＝
LD activates when (S1)≤ (S2)
4-4-1
LD＞＝
LD activates when (S1)≥ (S2)
4-4-1
AND＝
AND activates when (S1)＝ (S2)
4-4-2
AND＞
AND activates when (S1)＞ (S2)
4-4-2
AND＜
AND activates when (S1)＜ (S2)
4-4-2
AND＜＞
AND activates when (S1)≠ (S2)
4-4-2
AND
＜＝
AND activates when (S1)≤ (S2)
4-4-2
AND＞＝
AND activates when (S1)≥ (S2)
4-4-2
OR＝
OR activates when (S1)＝ (S2)
4-4-3
OR
＞
OR activates when (S1)
＞
(S2)
4-4-3
OR
＜
OR activates when (S1)
＜
(S2)
4-4-3
OR
＜＞
OR activates when (S1)≠ (S2)
4-4-3
OR＜＝
OR activates when (S1)≤ (S2)
4-4-3
OR
＞＝
OR activates when (S1)≥ (S2)
4-4-3
4-4-1 LD Compare [LD]
1) Summary
LD is the point compare instruction connected with the generatrix.
LD Compare [LD]
16 bits
As below
32 bits
As below
Execution
condition
-
Suitable Models
XD, XL
Hardware
requirement
-
Software
requirement
-
2) Operands
Operands
Function
Data Type
S1
Being compared number address
16/32bits, BIN
S2
Comparand address
16/32 bits, BIN
3) Suitable soft components
Operan
ds
Word soft elements
Bit soft elements
System
Consta
nt
Module
System
D
F
D
T
D
C
D
D
X
D
Y
D
M
D
S
K/H
I
D
Q
D
X
Y
M
S
T
C
Dn.
m
S1
●
●
●
●
●
●
●
●
●
S2
●
●
●
●
●
●
●
●
●
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Xinje XD Series Specifications

General

Input Voltage	24V DC
Storage Temperature	-20°C to 70°C
Protection Class	IP20
Type	PLC
Series	XD
Programming Language	Ladder Logic, Instruction List
Communication Interface	RS232, RS485
Power Supply	24V DC
Digital Inputs	Available (number varies by model)
Digital Outputs	Available (number varies by model)
Analog Inputs	Available (number varies by model)
Analog Outputs	Available (number varies by model)
Output Type	Relay, Transistor
Number of Inputs	Varies by model (see Digital Inputs and Analog Inputs)
Number of Outputs	Varies by model (see Digital Outputs and Analog Outputs)
Operating Temperature	0°C to 50°C
Humidity	5% to 95% (non-condensing)