IAI America ROBO Cylinder Series - Manual (Page 318)

7. T
roubleshooting
310
Modbus
[3] Select [Edit/Teach] from the [Position] menu.
The Position Data Edit Axis Selection window appears, displaying the connected axes.
Axes for which connected axis numbers are displayed can communicate normally.
Fig. 9.4
*2 Refer to section 3.6 to decrease the communication speed.
*3 Refer to sections 3.1, 3.2 and 3.3 to check wiring again.
*4 Refer to section 3.5 to check the axis number settings again (check that there are no overlapping
numbers).
*5 Check again that the procedure in section 3.4 is followed correctly.
[1] If queries other than those that use a function code 03 are used, check that the PIO/Modbus
switching in sections 5.4.16 (RTU) and 6.5.16 (ASCII) is set to the Modbus side.
[2] Unless the RC controller is restarted using the PC software for RC, the communication speed
setting selected when connecting the PC software for RC is maintained. In this case, restart the
RC controller.
Select [Edit/Teach] from
the [Position] menu.
Check that all axis numbers
connected are displayed.
In this case, the first axis is
normal but others are abnormal.
Fig.9.3