Mitsubishi MELSEC System Q User Manual

3.6.6 BASIC Programmable Interface Modules
The modules QD51S-R24 and QD51 work through their own program (written in BASIC) inde
-
pendently of the Q CPU. Thus, data can be processed and communications can be performed
with peripheral devices without imposing an additional load on the PLC CPU.
Special features
쎲 Either two RS232 interfaces (QD51) or one RS422/485 and one
RS232 interface (QD51S-R24)
쎲 Transmission speed of up to 38400 bit/s
쎲 Access to devices in the Q CPU and to the buffer memory of intelligent
function modules is supported
쎲 Remote RUN/STOP is supported via the serial communication line
3–36 MITSUBISHI ELECTRIC
Das MELSEC System Q Special Function Modules
QD51
CH1
RS-232
CH2
RS-232
QD51
RUN
PRG
SD
ERR.
PRUN
CH2
CH1
SD
RDRD

Mitsubishi MELSEC System Q Specifications

General

Brand	Mitsubishi
Model	MELSEC System Q
Category	Controller
Language	English