S7 300 and delta dop-b series


i have a problem, to connect a delta hmi dop-b07s201 to a cpu314c-2dp.

i did all about:

1)make “mpi” networked in step 7, transmission rate 187.5 Kbps, highest mpi address 31, address 2

2)select “direct mpi” in dop soft and other setting as below:

hmi station:1 databits:8 stop bits:1 rs485 baudrate: 187500 parity: even

no change on others

extra=> hsa:31, gap:5

connection cable

hmi… mpi




when i tried to write a memory Word using numeric entry and read using numeric display, nothing happened. can anyone help me please?