Ahxxemc-5A - Delta AH Series Operation Manual

Mode LED indicator Description
System status of the CPU module
ON: The external input/output is forced ON/OFF.
SYSTEM
OFF: The system is in the default status.
Blinking: The CPU module is being reset./The retained values in the devices are being
cleared .
Operating status of the motion CPU functioning as a motion module
ON: The user program is being executed.
RUN
OFF: The execution of the user program stops.
Blinking: The motion module runs in debug mode.
Module
Error status of the motion CPU functioning as a motion module
ON: A serious error occurs in the module.
ERROR
OFF: The system is normal.
Blinking: A slight error occurs in the module.

9.2.1. AHxxEMC-5A

After a program is written into an AH Motion Controller series CPU, the ERROR LED indicator will blink and an error flag
will be ON if an error occurs in main program or amotion subroutine. The reason for the error occurring in the main
program or amotion subroutine may be that the use of operands (devices) is incorrect, syntax is incorrect, or the setting of
motion parameters is incorrect. You can know the reasons for the errors occurring in an AH Motion Controller series CPU
by means of the error codes (hexadecimal codes) stored in error registers.

Error flags and registers:
SM*: Special auxiliary relay
SR*: Special data register
Error flag
Operation error
The operation error is locked
Syntax (Instruction/Operand)
check error
Operation error code
Operation error address
(step)
Syntax check error code
Syntax check error address
(step)
Program error
POU
-
SM0
SM1
SM5
SR0
SR1/SR2
SR4
SR5/SR6
Ch a pt er 9 T r o u bl es h oo t in g
Motion error
mn=10~41
st nd
(10: 1 axis; 41: 32 axis)
AMmn49
-
-
-
-
-
ARmn41
-
9_
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