Mitsubishi FX3U-232-BD User Manual page 502

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.
Programming
communication
[1] Applicable only in FX
FX , FX
3U 2NC
Computer link
communication
[2] Applicable only in FX
When changing over the communication types above, it is necessary to set the communication using a
sequence program.
The tables below show devices used in sequence programs.
1) RS instruction
Device
D8120
D8419
2) RS2 instruction
Device
ch1 ch2
D8400 D8420 Communication format setting
D8419 D8439 Operation mode display
F-64
[1]
Non-protocol communication
(RS/RS2 instruction)
(Ver. 2.01 or later),
2N
, and FX PLCs.
3UC
[2]
Non-protocol communication
(RS/RS2 instruction)
and FX PLCs.
3U 3UC
Name
Communication format setting
Operation mode display
(in FX and FX )
3U 3UC
Name
→ For details on the operation mode display, refer to Subsection 11.4.1.
10 When Combined with Another Communication
Sets the communication format.
Allows the communication type being executed to be checked.
Sets the communication format.
Allows the communication type being executed to be checked.
→ For the communication setting method, refer to Section 10.6.
10.1 Other Communication Type Used Together
Description
Description