Mitsubishi Q03UD(E)CPU User Manual

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6.24 Serial Communication Function
6
FUNCTIONS
(2) Specifications
(a) Transmission specifications
Table6.51 indicates the transmission specifications of RS-232 used for the serial
communication function of the CPU module.
Use the serial communication function after making sure that the specifications of
the personal computer, Display device or the like match those of Table6.51.
* 1 : Can be set in the PLC parameter setting of GX Developer.
* 2 : The relationships between the MC protocol formats and frames are indicated in Table6.52.
: Usable, : Unusable
Table6.51 Transmission specifications of serial communication function
Item Default Setting Range
Communication
system
Full-duplex
communication
------
Synchronization
system
Asynchronous system ------
Transmission speed
*1
19.2kbps
9.6kbps, 19.2kbps, 38.4kbps, 57.6kbps,
115.2kbps
Data format
Start bit: 1
Data bit: 8
Parity bit: Odd
Stop bit: 1
------
MC protocol format
*2
(Automatic
judgment)
Format 4 (ASCII)
Format 5 (binary)
------
Frame
*2
QnA-compatible 3C
frame
QnA-compatible 4C
frame
------
Transmission control DTR/DSR control ------
Sumcheck
*1
Yes Yes, No
Transmission wait
time
*1
No wait No wait, 10ms to 150ms (10ms increments)
Online change
setting
*1
Not enabled Enabled, Not enabled
Extension distance 15m ------
Table6.52 Relation between MC protocol formats and frames
Function Format 4 Format 5
Communication in ASCII code
QnA-compatible 3C frame
QnA-compatible 4C frame
Communication in binary code QnA-compatible 4C frame

Mitsubishi Q03UD(E)CPU Specifications

General

Brand	Mitsubishi
Model	Q03UD(E)CPU
Category	Controller
Language	English