Delta AH Series

AH Motion Controller – Operation Manual
9-42
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Error Code Description Corrective action
16#201E
The function code used in MODRW is
incorrect. (SM102/SM103)
Check the usage of the instruction and the setting of the
operands. Please refer to the explanation of the
instruction MODRW in AH500 Programming Manual for
more information.
16#201F
The length of the data set in MODRW is
incorrect. (SM102/SM103)
Check the usage of the instruction and the setting of the
operands. Please refer to the explanation of the
instruction MODRW in AH500 Programming Manual for
more information.
16#2020
The communication command received
by using MODRW is incorrect.
(SM102/SM103)
Check whether the slave supports the function code and
the specified operation.
16#2021
The checksum of the command received
by using MODRW is incorrect.
(SM102/SM103)
1. Check whether there is noise, and retry the sending of
the command.
2. Check whether the slave operates normally.
16#2022
The format of the command used in
MODRW does not conform to the ASCII
format. (SM102/SM103)
Make sure that the format of the command conforms to
the ASCII format.
16#2023
There is a communication timeout when
MODRW is executed. (SM102/SM103)
Check whether the slave operates normally, and whether
the connection is normal.
16#2024
The setting value of the communication
timeout is invalid when RS is executed.
(SM102/SM103)
1. Check the program and the related special data
registers.
2. Set the communication port parameter for the CPU
module in HWCONFIG again.
16#2025
There is a communication timeout when
RS is executed. (SM102/SM103)
Check whether the slave operates normally, and whether
the connection is normal.
16#2026
The interrupt number used in RS is
incorrect.
Check whether the the interrupt service routine used in
RS is downloaded.
16#2027 The execution of FWD is abnormal.
Please refer to AH500 Programming Manual, and check
the instruction FWD.
16#2028 The execution of REV is abnormal.
Please refer to AH500 Programming Manual, and check
the instruction REV.
16#2029 The execution of STOP is abnormal.
Please refer to AH500 Programming Manual, and check
the instruction STOP.
16#202A The execution of RSDT is abnormal.
Please refer to AH500 Programming Manual, and check
the instruction RSDT.
16#202B The execution of RSTEF is abnormal.
Please refer to AH500 Programming Manual, and check
the instruction RSTEF.