Error Messages - Vexta EMP400 Series Operating Manual

10.2

Error messages

When setting data or when operating the motor, error messages may be displayed on the
HyperTerminal. When an error message is displayed, check the status of the controller and motor.
Error message
Command disable while (1) Unacceptable command has been
executing.
(2) Description in the program is
Command is not allowed A command that cannot be entered
in immediate mode. directly has been received.
Command is not allowed The command entered from the
in program mode. program is not executable.
A command that cannot be entered
via a program exists in the program.
CW limit switch active. This is a limit-sensor error.
The program stops (stops
immediately during pulse output).
(1) +LS input is turned on while the
(2) Operation command has been
CCW limit switch active. This is a limit-sensor error.
The program stops (stops
immediately during pulse output).
(1) -LS input is turned on while the
(2) Operation command has been
CW·CCW limit switches Limit-sensor input logic setting error.
active. +LS input and -LS input both are
turned on at the same time.
The program stops (stops immediately
during pulse output).
Meaning
received from the HyperTerminal
while executing the program. An
error message will be displayed
but the program will not stop.
incorrect. Operation command,
ID command or UNIT command is
detected between a SCAN
command and a command that
stops continuous operation.
The motor decelerates to a stop
and the program stops.
motor is in operation.
entered when +LS input is on.
motor is in operation.
entered when -LS input is on.
Possible cause and remedial action
• Enter a correct command.
• Correct the sequence program.
Enter a command that can be entered directly.
Enter commands that can be entered from a
program.
Perform mechanical home seeking or a
continuous operation.
Mechanical home seeking returns to the
mechanical home position.
Continuous operation starts an operation in the
rotational direction opposite to the stopped LS
regardless of the rotational direction setting. The
operation stops when the control escapes the LS.
Check if the output logic of the LS used matches
that of the controller.
Perform mechanical home seeking or a
continuous operation.
Mechanical home seeking returns to the
mechanical home position.
Continuous operation starts an operation in the
rotational direction opposite to the stopped LS
regardless of the rotational direction setting. The
operation stops when the control escapes the LS.
Check if the output logic of the LS used matches
that of the controller.
LS output logic for the controller does not match
that of the LS being used.
Change the output logic for the LS.
If this error message is displayed when ±LS is at
contact B, check for disconnection on the LS.
10 10 10 10 10
Troubleshooting
Reference
ACTL
command
ACTL
command
ACTL
command
10-3