Fx 2N -232If; Introduction; Outline Of Product - Mitsubishi Electric MELSEC FX Series User Manual

FX communication
10. FX -232IF
2N

10.1 Introduction

The RS-232C interface block FX
to the FX , FX
2N
another RS-232C interface such as a personal computer, bar code reader, printer, etc.
10.1.1

Outline of Product

1 ) Applicable programmable controller
The 232IF can be connected as a special block of the FX
2 ) Control instructions
Send/receive data is received and sent and diversified control commands are manipulated
using the FROM/TO instruction.
3 ) Number of I/O points and connection method
The 232IF occupies 8 I/O points that can be allocated as either inputs or outputs. However
the capacity of the 5 V power supplied from the programmable controller is limited.
The current consumption of the 5 V power of the 232IF is 40 mA. Make sure that the total
current consumption of the 5 V power including other special blocks is equivalent to or less
than that available.
4 ) Communication method
Full duplex star t-stop synchronization and no protocol procedure are used. The
communication format can be specified using buffer memories (BFMs).
5 ) Send/receive buffer
The send/receive buffer can accommodate 512 bytes/256 words.
When the RS-232C interlink connection mode is used, data exceeding 512 bytes/256 words
can also be received.
6 ) ASCII/HEX conversion function
The function to convert and send a hexadecimal numeric (0 to F) saved in the send data
buffer as well as the function to convert a received ASCII code into a hexadecimal numeric (0
to F) and save it to the receive buffer are provided.
-232IF (hereinafter referred to as "232IF") is connectable with
2N
programmable controller to realize full duplex serial data communication with
2NC
FX
FX programmable controller.
2N 2NC
,
-232IF 10
2N
10
10-1