Practical Program Example (Rs Instruction) - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Non-Protocol Communication (RS/RS2 Instruction)
7.

Practical Program Example (RS Instruction)

7.1 Example of Printing Using RS Instruction (Using RS-232C Connection)
In this example, a printer with an RS-232C interface is connected to a PLC, and data sent from the PLC is
printed.
1. System configuration
Use a communication cable suitable to the pin arrangement of the printer connector.
(For representative wiring, refer to Chapter 4.)
2. Communication format
Align the communication format in the PLC with that in the printer used.
(The table below shows the communication format in the main unit.)
Data length
Parity
Stop bit
Baud rate
Header
Terminator
Control line (hardware)
Communication method (protocol)
Sending
FX 232-BD
2N-
8-bit
Even
2-bit
2400 bps
Not provided
Not provided
Not provided
Non-protocol method
7 Practical Program Example (RS Instruction)
7.1 Example of Printing Using RS Instruction (Using RS-232C Connection)
+
FX Series
2N
A
B
C
D
E
F
G
H
I
Apx.A
F-57