Manual
14. Appendix
247
Code Message Description
212 JOG signal ON This error indicates that the jog signal (JOG) was turned ON by the PLC
while the actuator was moving, and duplication of move commands
occurred as a result.
300 COM port open error This error indicates that the COM port specified in the “application of setting
window” could not be opened.
The following causes are considered:
The specified COM port does not exist.
The specified COM port is already used in other application, etc.
301 Receive timeout error This error indicates that a receive timeout error occurred while the PC
software was communicating with the connected controller.
Causes : [1] Communication fault due to poor connection between the PC
and controller
[2] Communication fault due to noise (data turning into garbage,
etc.)
[3] The controller power was cut OFF.
Actions : [1] Check if the connectors on the PC-controller connection cable
are firmly connected.
[2] Readjust the wiring, equipment installation, etc., to eliminate
noise.
[3] Check if the controller power is supplied. If the problem still
persists, contact IAI.
302 Receive buffer overflow This error indicates that the receive buffer overflowed when a response
message was received from the controller.
Causes : [1] Communication fault due to poor connection between the PC
and controller
[2] Communication fault due to noise (data turning into garbage,
etc.)
Actions : [1] Check if the connectors on the PC-controller connection cable
are firmly connected.
[2] Readjust the wiring, equipment installation, etc., to eliminate
noise. If the problem still persists, contact IAI.
303 Receive overrun This error indicates that a receive overrun occurred at the COM port on the
PC when a response message was received from the controller.
Select a lower baud rate in the “application of setting window.”
304 Receive framing error This error indicates that a receive framing error occurred when a response
message was received from the controller.
Causes : [1] Communication fault due to poor connection between the PC
and controller
[2] Communication fault due to noise (garbled data, etc.)
Actions : [1] Check if the connectors on the PC-controller connection cable
are firmly connected.
[2] Readjust the wiring, equipment installation, etc., to eliminate
noise.
If the problem still persists, contact IAI.