Panasonic FP-XH M8N16PD, User Manual

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18.2 Direct Input Instruction
18-9
18.2 Direct Input Instruction
18.2.1 [DST·DST/] Direct start / Direct start NOT
DST, DST/: reads external inputs for logical operation. Due to the input refreshing of contact
units, it is valid for controls with requirement for high-speed response.

Instruction format
X0
D
R0
X1
D
R1
DST
DST/

Type of relays that can be specified (unit: bit) (A: Availalbe, -: Not available))
X Y R T C L P E
Index
modifier
DST
Normal ON input contact for the start of
logical operation
A
－ － － － － － －
A
DST/
Normal OFF input contact for the start of
logical operation
A
－ － － － － － －
A

Operation description
•
「
DST
」
Instruction, read specified external input, reflect it to the input contact, and then take
this contact as normally open (NO) contact (a contact) and perform logic operation.
•
「
DST/
」
Instruction, read specified external input, reflect it to the input contact, and then take
this contact as normally closed (NC) contact (b contact) and perform logic operation.
<Example> During the above procedure
• When external input X0 flag is ON, R0 flag will be ON.
• When external input X1 flag is OFF, R1 flag will be ON.

Range that can be specified
Model Device Range
FP-XH M8N control unit X0-X7·X1100-X141F (Note)
(Note): When designating X1100-X141F, the input area of the motion control part is read and reflected.

Precautions for programs
• When the contact is out of the specified possible range, operation error may occur.
• When setting the time through main unit input time constant setting function of system
register, the time constant will be invalid.