Mitsubishi 00JCPU User Manual page 316

(2) Specifications
(a) Transmission specifications
Table6.40 shows the transmission specifications of RS-232 for the serial communication function of the CPU
module.
Check that the specifications of the personal computer and HMI match those of Table6.40 before using the
function.
Item
Communication method
Synchronization method
Transmission speed
Data format
MC protocol format
(Automatic detection)
*2
Frame
Transmission control
*1
Sum check
Transmission wait time
RUN write setting
Overall cable distance
*1: Can be set in the PLC parameter dialog box.
*2: Table6.41 shows the relationship between the MC protocol formats and frames.
Communication in ASCII code
Communication in binary code
6 - 136
Table6.40 Transmission specifications of the serial communication function
Default
Full-duplex communication
Asynchronous method
*1
19.2kbps
• Start bit: 1
• Data bit: 8
• Parity bit: Odd
• Stop bit: 1
*2
• Format 4 (ASCII)
• Format 5 (binary)
• QnA-compatible 3C frame
• QnA-compatible 4C frame
DTR/DSR control
Checked
*1
No waiting time
*1
Prohibited (deselected)
15m
Table6.41 Relationship between the MC protocol formats and frames
Function
QnA-compatible 3C frame
QnA-compatible 4C frame
QnA-compatible 4C frame
Setting Range
-
-
9.6kbps, 19.2kbps, 38.4kbps, 57.6kbps, 115.2kbps
-
-
-
-
Checked/not checked
No waiting time, 10ms to 150ms (in increments of 10ms)
Permit (checked), prohibited (deselected)
-
Format 4 Format 5
: Available, : Unavailable