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10-2
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.
CPU No.1
User program
DP.DDWR U3E1 D0 D100 D200 M0
D0
D100
D0
D200
CPU No.2
Writing