Chapter 6 Access Route Settings; Accessible Ranges And Setting Data For Each Frame; Frame - Mitsubishi Electric MELSEC IQ-R series Reference Manual

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ACCESS ROUTE SETTINGS
This chapter explains the accessible range of each frame of MC protocol and data to specify the access target.
6.1
Accessible Ranges and Setting Data for Each

Frame

The accessible range of each frame and the data items to set an access route are as shown below.
4C frame
Accessible range of 4C frame
The following ranges can be accessed.
External device
4C frame is supported by multiple CPU system. (Page 461 Compatibility with Multiple CPU Systems)
Message format (Setting example for accessing connected station (host station))
■Data communication in ASCII code (Format 1 to Format 4)
Network
Request destination
No.
module I/O No.
Station No. PC No.
0 0 0 0 F F
0
30 30 30 30 46 46 30
H H H H H H H
■Data communication in binary code (Format 5)
Network Request destination Request destination
module I/O No.
No. module station No.
Station PC Self-station
No. No.
00 00 FF FF 03 00
H H H H H H
Setting data
Set the following items.
Item Description
Station No. Specify the station to be connected from an external device.
Network No. Specify the network No. of an access target.
PC No. Specify the network module station No. of an access target.
Request destination • When accessing a multidrop connection station via network, specify the start input/output
module I/O No. number of a multidrop connection source module.
• Specify the CPU module of the multiple CPU system and redundant CPU system.
Request destination When accessing a multidrop connection station via network, specify the station No. of an
module station No. access target module.
Self-station No. At the time of m:n multidrop connection, specify the station No. of a request source external
device.
Multidrop connection
Network
No.1
Connected station
(Host station)
Request destination
module station No.
Self-station No.
0 0
3 F F 0 0
33 46 46 30 30 30 30
H H H H H H H
No.
00
H
Network
No.n
(Relay station)
6 ACCESS ROUTE SETTINGS

6.1 Accessible Ranges and Setting Data for Each Frame

Multidrop connection
:Accessible target station
Reference
Page 50 Station No.
Page 52 Network No., PC No.
Page 55 Request destination module
I/O No., request destination module
station No.
Page 59 Self-station No.
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