AH Motion Controller – Operation Manual _9 9-42 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.