Mitsubishi Electric MELSEC Q Series Reference Manual page 331

Cc-link ie controller network

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The following table lists operations when link dedicated instructions are executed at the same time.

Link dedicated instruction

READ/SREAD/WRITE/SWRITE/REQ/SEND/RECV/

RECVS/RRUN/RSTOP/RTMRD/RTMWR

: Executable,

When the same channel is used, the latter instruction is not executed.

(2) When executing a link dedicated instruction to an AnUCPU station

(a) Do not execute any instruction that cannot be executed to AnUCPU stations.

If executed, the AnUCPU may detect "MAIN CPU DOWN" or "WDT ERROR" and stop its operation.

Page 97, Section 4.2.1 (1))

(b) To execute such an instruction to all of the network which contains an AnUCPU

station, use group specification to exclude the AnUCPU station.

(3) When executing a link dedicated instruction to a multiple CPU system by

specifying a group or all stations

The instruction can only be executed to the control CPU of the target CC-Link IE Controller Network module.

Specify 0000

(a) When executing the instruction to all of the specified stations

Configure the system carefully so that the same CPU No. is set for control CPUs of the target stations.

READ/SREAD/WRITE/SWRITE/REQ/SEND/RECV/

RECVS/RRUN/RSTOP/RTMRD/RTMWR

: Executable if not using the same channel, ×: Not executable (The latter one is not executed.)

for Target station's CPU type ((S1) + 3) of the instruction.

Set the same CPU No. to the control CPUs.

CHAPTER 9 DEDICATED INSTRUCTIONS

Instruction to be executed concurrently

Control CPU setting

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