Delta DVP-ES3 — 6.19.2 Explanation of Communication Instructions

DVP-ES3 Series Programming Manual The following examples use COM1 (RS485). Example 1 The mode in D 2 is 0 (not receiving communication data) and you set the mode for sending and receiving data to 8-bit mode (SM106=ON). 1. The length for the data to be sent: D20=4. 2. The contents for the data to be sent: D100=16#0031, D101=16#0032, D102=16#0033, D103=16#0034. 3. Set D10=16#0000 (sending data only, not receiving data). 4. Enable the contact M0. 5. The PLC sends 4 pieces of data. 6. Sending data: PLC→external equipment 31 32 33 34. _6 7. Since receiving data is not required, after the PLC sends out the data, the operation ends, and SM100=0. 8.

To send more data, set the flag SM100 to OFF to start the operation again. Example 2 16-bit mode (SM106=OFF). The mode in D 2 is 1 (setting the timeout value to 5–3000 ms) and you set the mode for sending and receiving data to 1. The length for the data to be sent: D20=4. 2. The contents for the data to be sent: D100=16#3231, D101=16#3433. 6-554