7.6.1
Troubleshooting RS485 Communications
141
7 - Remote Communication
Address
Code Parameter Initial Value Max. Min.
16 bit 10 bit
A43B 42043 I59 Protocol 0 1 0
A43C 42044 I60 Inv No. 1 32 1
A43D 42045 I61 Baud rate 3 4 0
A43E 42046 I62 Lost command 0 2 0
A43F 42047 I63 Time out 10 120 1
Check points Corrective measures
Is the power provided to the converter? Provide electric power to the converter.
Are the connections between converter and
computer correct?
Refer to converter manual.
Is Master not polling? Verify the master is polling the drive.
Is baud rate of computer and drive correctly
set?
Set the correct value in accordance with "13.3
Installation".
Is the data format of user program* right? Revise User Program (Note 1).
Is the connection between converter and
communication card right?
Check for GF the correct wiring in accordance
with "13.3 Installation".
(Note 1) User program is User made S/W for PC.
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