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CHAPTER 10
MULTIPLE CPU HIGH-SPEED
TRANSMISSION DEDICATED
INSTRUCTIONS
10.1
Overview
The multiple CPU high-speed transmission dedicated instruction directs the Universal model QCPU to write/read device data
to/from the Universal model QCPU in another CPU.
The following shows an operation when CPU No.1 writes device data to CPU No.2 with the multiple CPU high-speed
transmission dedicated instruction.
The multiple CPU high-speed transmission dedicated instruction in either host CPU or another CPU (target CPU module of
instruction) is available only for the following CPU modules.
• Q03UDCPU, Q04UDHCPU, Q06UDHCPU
The first five digits of serial numeber is 10012 or higer.
• Q10UDHCPU, Q13UDHCPU, Q20UDHCPU, Q26UDHCPU
• QnUDE (H) CPU
(1) Parameter setting and system configuration to execute the multiple CPU high-speed transmission dedicated instruction
The multiple CPU high-speed transmission dedicated instruction can be executed in the following parameter setting and
system configuration.
• CPU No.1 uses QnUD(H)CPU or QnUDE(H)CPU.
• The multiple CPU high speed main base unit (Q3 DB) is used.
• "Use multiple CPU high speed transmission" is selected in the Multiple CPU settings screen of PLC parameter.
CP
U
No.1
U
ser program
DP.DDWR
U
3E1 D0 D100 D200 M0
D0
D100
D0
D200
CP
U
No.2
Writing