When Combined With Another Communication - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Non-Protocol Communication (RS/RS2 Instruction)

10. When Combined with Another Communication

This chapter explains how to use non-protocol communication (RS or RS2 instruction) together with another
communication type.
10.1 Other Communication Type Used Together
In FX PLCs, the following communication types can be changed over.
When changing over the communication types above, it is necessary to set the communication using a
sequence program.
Programming
communication
[1] Applicable only in FX
Computer link
communication
[2] Applicable only in FX
The tables below show devices used in sequence programs.
1) RS instruction
Device
D8120 Communication format setting
Operation mode display
D8419
(in FX
2) RS2 instruction
Available channels vary depending on the main unit.
For details, refer to Section 3.2.
Device
ch0 ch1
D8370 D8400 D8420 Communication format setting
D8389 D8419 D8439 Operation mode display
F-78
[1]
Non-protocol communication
(RS/RS2 instruction)
PLCs Ver. 2.01 or later, and FX
2N
[2]
Non-protocol communication
(RS/RS2 instruction)
, FX , FX , FX
3S 3G 3GC 3U
Name
, FX , FX , FX and FX
3S 3G 3GC 3U
Name
ch2
For the communication setting method, refer to Section 10.6.
For details on the operation mode display, refer to Subsection 11.4.1.
10 When Combined with Another Communication
, FX , FX
2NC 3S 3G
and FX PLCs.
3UC
Sets the communication format.
Allows the communication type being executed to be checked.
)
3UC
Sets the communication format.
Allows the communication type being executed to be
checked.
10.1 Other Communication Type Used Together
, FX , FX and FX PLCs.
3GC 3U 3UC
Description
Description