Siemens Milltronics BW500 Operating Instructions Manual page 150

Communications
11.6 Modems
Master
Modem
● auto answer off (dip switch?)
● load factory default (dip switch?)
● no flow control (dip switch?)
● baud rate = 9600
● 10 data bits (probably the default)
Modbus RTU Software
● baud rate = 9600
● 8 bit
● no parity
● 1 stop bit
● dial prefix: ATDT
● Initialization command: ATE0Q0V1X05=0512=100
● Reset command: ATZ
● Hang-up command: ATHO
● Command response delay: 5 seconds
● Answer Delay: 30 seconds
● Inter-character delay: 55 ms
Slave
Modem
● auto answer on (dip switch?)
● load factory default (dip switch?)
● no flow control (dip switch?)
● baud rate = 9600
● 10 data bits (probably the default)
148
BW500 and BW500/L
Operating Instructions, 12/2016, A5E33482052-AD