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3 MOTION DEDICATED PLC INSTRUCTION
[Start accept flag (System area)]
When the instruction is executed by specifying "Jn" as Axis No., the complete status of
start accept flag is stored in the address of the start accept flag in the CPU shared
memory for target CPU.
CPU shared memory address
( ) is decimal address
Description
20EH(526)
20FH(527)
QDS
The command generation axis start accept flag for 32 axes are stored corresponding to
each bit.
Bits are actually set as the following:
• Q173DSCPU: J1 to J32
• Q172DSCPU: J1 to J16
OFF : Start accept enable
ON : Start accept disable
b1b15
J16
J32
20FH(527) address
20EH(526) address
J2
J1
J18 J17
b0b14 b2
[Errors]
The abnormal completion in the case shown below, and the error code is stored in the
device specified with the complete status storage device (D2).
If the complete status storage device (D2) is omitted, an error is not detected and
operation becomes "No operation".
Complete status
(Note-1)
(Error code)(H)
Error factor Corrective action
0010
Instruction request to Motion CPU from PLC CPU exceeds the permissible
value.
Confirm a program,
and correct it to a
correct sequence
program.
2100
There are the following number or more simultaneous D(P).SVST/
D(P).CHGA/D(P).CHGAS
QDS
instruction requests to the Motion CPU from
the PLC CPU, therefore the Motion CPU cannot process them.
• Q173DSCPU/Q172DSCPU: 129 or more
2207 Axis No. set by D(P).CHGAS instruction is wrong.
(Note-1): 0000H (Normal)
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