AH500 Hardware and Operation Manual 
12-44 
16#9B59 
COM2 receives no response from 
slave 25 by Modbus. 
1. Check the communication setting in the master, and 
the communication setting in slave 25. 
2. Check the communication cable. 
16#9B5A 
COM2 receives no response from 
slave 26 by Modbus. 
1. Check the communication setting in the master, and 
the communication setting in slave 26. 
2. Check the communication cable. 
16#9B5B 
COM2 receives no response from 
slave 27 by Modbus. 
1. Check the communication setting in the master, and 
the communication setting in slave 27. 
2. Check the communication cable. 
16#9B5C 
COM2 receives no response from 
slave 28 by Modbus. 
1. Check the communication setting in the master, and 
the communication setting in slave 28. 
2. Check the communication cable. 
16#9B5D 
COM2 receives no response from 
slave 29 by Modbus. 
1. Check the communication setting in the master, and 
the communication setting in slave 29. 
2. Check the communication cable. 
16#9B5E 
COM2 receives no response from 
slave 30 by Modbus. 
1. Check the communication setting in the master, and 
the communication setting in slave 30. 
2. Check the communication cable. 
16#9B5F 
COM2 receives no response from 
slave 31 by Modbus. 
1. Check the communication setting in the master, and 
the communication setting in slave 31. 
2. Check the communication cable. 
16#9B60 
COM2 receives no response from 
slave 32 by Modbus. 
1. Check the communication setting in the master, and 
the communication setting in slave 32. 
2. Check the communication cable.