F-80
FX Series PLC User's Manual - Data Communication Edition
Non-Protocol Communication (RS/RS2 Instruction)
10 When Combined with Another Communication
10.2 When Combined with Programming Communication
10.2.2 For FX
3S
, FX
3G
, FX
3GC
, FX
3U
and FX
3UC
PLCs
In FX
3S
, FX
3G
, FX
3GC
, FX
3U
and FX
3UC
PLCs, non-protocol communication using RS instruction can be
changed over to communication with a programming tool (programming communication) by the following
methods.
If the external equipment executes another type of communication while the programming communication is
selected, the PLC sends back "NAK".
In FX
3S
, FX
3G
, FX
3GC
, FX
3U
and FX
3UC
PLCs, the communication type operating in the communication port
can be checked in the operation mode display device (D8419).
1. When changing over using RUN mode and STOP mode
Set the communication format as shown below to use non-protocol communication (in accordance with RS-
232C) using RS instruction while in RUN mode and then use the programming communication while in STOP
mode.
Make sure to set the communication format used in the RS instruction to D8120, and write it before executing
the RS instruction.
2. When changing over using the RS instruction while in RUN mode
When changing over non-protocol communication using RS instruction to the programming communication
while in RUN mode, set RS instruction to OFF, and then overwrite the communication format (D8120) to
"H0000".
Before starting up RS instruction again, make sure to properly overwrite the communication format (D8120)
used in the RS instruction.
3. Caution on using the RS instruction and programming communication together
Do not use the communication setting by parameters. Use the communication format device (D8120).
X0
MOV
H0086 D8120
RS D1 K1 D2 K1
P
X0
MOV
H0086 D8120
RS D1 K1 D2 K1
MOV
H0000 D8120
X0
P
P
Summary of Contents for FX-485ADP
Page 2: ......
Page 120: ...B 2 FX Series PLC User s Manual Data Communication Edition N N Network ...
Page 188: ...C 2 FX Series PLC User s Manual Data Communication Edition Parallel Link ...
Page 244: ...D 2 FX Series PLC User s Manual Data Communication Edition Computer Link ...
Page 344: ...E 2 FX Series PLC User s Manual Data Communication Edition Inverter Communication ...
Page 700: ...H 2 FX Series PLC User s Manual Data Communication Edition Programming Communication ...
Page 752: ...I 2 FX Series PLC User s Manual Data Communication Edition Remote Maintenance ...
Page 817: ......