Chapter 13 Reading/Writing Device Data Of Another Station Cpu By Ip Address Specification; Instructions To Read/Write Device Data Of Another Station Cpu By Ip Address - Mitsubishi Electric Q03UDVCPU User Manual

CHAPTER 13
Dedicated instructions allow the CPU module on the host station to read/write device data from/to the CPU module on
another station.Note 13.1
IP address setting
IP address
Programming
13.1
Instructions to Read/write Device Data of Another
Station CPU by IP Address Specification
This section describes the instructions for reading/writing device data from/to the CPU module on another station by
specifying an IP address.
(1) List of instructions
The following table lists the instructions associated with reading/writing device data from/to the CPU module on
another station by specifying an IP address:
Instruction
SP.READ
SP.WRITE
The SP.READ/SP.WRITE instructions cannot be used in an interrupt program or fixed scan execution type program.
Note 13.1
Universal
Reading/writing device data from/to the CPU module on another station by specifying an IP address is available with
QnUDVCPU only.
Before reading/writing device data from/to the CPU module on another station by specifying an IP address is used, check
the versions of the CPU modules (i.e., the CPU modules of the host and other stations) and the versions of the
programming tools. (
182
READING/WRITING DEVICE DATA OF
ANOTHER STATION CPU BY IP
ADDRESS SPECIFICATION
CPU module
on the host station
Ethernet
Device
D50
Receive data
Description
Reads device data from another station's CPU module
device identified by the specified IP address.
Writes device data to another station's CPU module
device identified by the specified IP address.
Page 201, Appendix 3)
CPU module
IP address setting
on another station
IP address
Device
D500
Send data
Page 185, Section 13.1.1
Page 191, Section 13.1.2
Note 13.1
Reference