Kaiyi — 6.19.2 Explanation of Communication Instructions

Chapter 6 Applied Instruction 2. SM1600 is set to ON, and the instruction is executed. 3. After the execution of the instruction is complete, Y0.0 will be set to ON. Additional remark: 1. If the value in S , the value in n , or the value in D exceeds the range, the instruction is not executed, SM0 is ON, and the error code in SR0 is 16#2003. 2. If S +3 exceeds the device range, the instruction is not executed, SM0 is ON, and the error code in SR0 is 16#2003. 3. If D + n -1 exceeds the device range, the instruction is not executed, SM0 is ON, and the error code in SR0 is 16#2003. 4.

If a request flag is ON, and the corresponding wait flag is ON, the system will automatically search for the flags which are ON and OFF respectively to execute the instruction. If there are no flags which are ON and OFF respectively, the instruction is not executed. 5. If the network number set by users does not exist, the error code is 16#8F02. If the node number set by users does not exist, the error code is 16#8F03. If the station address set by users does not exist, the error code is 16#8F04. 6-424