Receiving Sum (Receive Data) [D8384, D8414 And D8434] - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Non-Protocol Communication (RS/RS2 Instruction)

12.4.16 Receiving sum (receive data) [D8384, D8414 and D8434]

These devices store the received sum check value.
1. Detailed contents
When "sum check provided" is selected in the communication format setting, the sum check is executed for
the sent and received data.
These devices store the sum added to the received data sent from the external equipment.
When communication port ch0 is used, D8384 stores the receiving sum.
When communication port ch1 is used, D8414 stores the receiving sum.
When communication port ch2 is used, D8434 stores the receiving sum.
2. Cautions on use
When selecting "sum check provided", make sure to also select "terminator provided".
12.4.17 Receiving sum (calculation result) [D8385, D8415 and D8435]
These devices store the sum check value calculated using the received data.
1. Detailed contents
When "sum check provided" is selected in the communication format settings, the sum check is executed for
the sent and received data.
These devices store the sum calculated by the FX PLC from the data received sent from the external
equipment.
When communication port ch0 is used, D8385 stores the receiving sum.
When communication port ch1 is used, D8415 stores the receiving sum.
When communication port ch2 is used, D8435 stores the receiving sum.
2. Cautions on use
When selecting "sum check provided", make sure to also select "terminator provided".
12.4.18 Sending sum [D8386, D8416 and D8436]
These devices store the sum check value added to the send data.
1. Detailed contents
When "sum check provided" is selected in the communication format settings, the sum check is executed for
the sent and received data.
These devices store the sum calculated from the send data.
When communication port ch0 is used, D8386 stores the sending sum.
When communication port ch1 is used, D8416 stores the sending sum.
When communication port ch2 is used, D8436 stores the sending sum.
2. Cautions on use
When selecting "sum check provided", make sure to select "terminator provided".
F-104
12 Related Data
12.4 Details of Related Devices (RS2 Instruction)