Mitsubishi Electric F920GOT-BBD-K-E, Hardware Manual

Page: 269 / 592

GOT-F900 SERIES (CONNECTION) Connection of MELSEC-QnA Series PLC 10
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10.3 Setting in QnA Computer Link Connection
In QnA computer link connection, the switches in the computer link unit (shown in the following page)
should be set as described below.
10.3.1 Communication Setting Specifications
1) Setting the mode selector switch
Set the mode so that the COM port of the computer link unit connected to the GOT-F900 is set to the
dedicated (MC) protocol format 5.
2) Setting the transmission specifications setting switches
Set the transmission specifications setting switches of the computer link unit to realize the
transmission specifications shown in the table below. For the switch setting method, refer to the
manual of each computer link unit.
- The specifications such as the transmission speed are fixed on the GOT-F900 side, and cannot be
changed.
3) Setting the station number setting switches
Match the switches to 0H both in the GOT-F900 and in the computer link unit.
4) Turning on the power again
After setting the QnA computer link, make sure to turn off the power once, then turn it on again.
(Even if the RESET switch in the QnA Series PLC is pressed, the changed setting does not become
valid.)
Connected equipment
[classification in manual]
Remarks
[QnACPU direct connection]
Port of QnA CPU, QnAS CPU
Refer to the following setting method.
[QnA computer link]
AJ71QC24(RS-422/RS-232C)
AJ71QC24-R4(RS-422)
AJ71QC24-R2(RS-232C)
A1SJ71QC24(RS-422/RS-232C)
A1SJ71QC24-R2(RS-232C)
[A computer link]
AJ71UC24(RS-422/RS-232C)
A1J71UC24-R4(RS-422)
A1J71UC24-R2(RS-232C)
AJ71UC24(RS-232C)
Refer to Chapter 9.
COM port Set value Remarks
RS-422 5
RS-232C 5
Item Set value Remarks
Transmission speed 19,200 bps
Data
format
Data bit 8 bits The setting is different from A computer link (7 bits).
Parity bit Provided (odd)
The setting is different from A computer link
(provided, even).
Stop bit 1 bit
Sum check Provided
Write in RUN mode Possible