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3 COMMUNICATION BETWEEN THE PLC CPU AND THE MOTION CPU IN
THE MULTIPLE CPU SYSTEM
(2) System area (204H to 20DH)
This area is used by the operating systems (OS) of the PLC CPU/Motion CPU.
OS uses this area when executing dedicated Multiple CPU communication
instructions.
• System area used by Motion dedicated PLC instruction (204H to 20DH)
The complete status is stored in the following.
Table 3.3 Table of System Area used by the Motion Dedicated PLC Instruction
Shared
memory
address
Name Description
204H(516) Start accept flag (Axis1 to 16)
205H(517) Start accept flag (Axis17 to 32)
The start accept flag is stored by the 1 to 32 axis, each bit.
(As for a bit's actually being set Q173CPU(N) : J1 to J32/
Q172CPU(N) : J1 to J8.)
OFF : Start accept flag usable
ON : Start accept flag disable
204H(516) address
205H(517) address
J2
J1
b1 b0b15
J16
J32
J17
206H(518) Speed changing flag (Axis1 to 16)
207H(519) Speed changing flag (Axis17 to 32)
The speed changing flag is stored by the 1 to 32 axis, each bit.
(As for a bit's actually being set Q173CPU(N) : J1 to J32/
Q172CPU(N) : J1 to J8.)
OFF : Start accept usable
ON : Start accept disable
206H(518) address
207H(519) address
J2
J1
b1 b0b15
J16
J32
J17
208H(520)
Synchronous encoder current value
changing flag (Axis1 to 12)
(Note-1)
The synchronous encoder current value change flag is stored
by the 1 to 16 axis, each bit.
(As for a bit's actually being set Q173CPU(N) : E1 to E12/
Q172CPU(N) : E1 to E8.)
OFF : Start accept usable
ON : Start accept disable
208H(520) address
E2 E1
b1 b0b15
E16
20CH(524)
Cam shaft within-one-revolution current
value changing flag (Axis1 to 16)
(Note-1)
20DH(525)
Cam shaft within-one-revolution current
value changing flag (Axis17 to 32)
(Note-1)
The cam shaft within-one-revolution current value changing
flag is stored by the 1 to 32 axis, each bit.
(As for a bit's actually being set Q173CPU(N) : C1 to C32/
Q172CPU(N) : C1 to C8.)
OFF : Start accept usable
ON : Start accept disable
20CH(524) address
20DH(525) address
C2
C1
b1 b0b15
C16
C32
C17
(Note-1) : Usable in SV22.