Milltronics ACCUMASS BW500, Инструкция по эксплуатации

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Page 134 Accumass BW500 PL-565
Communic
a
tion
Example Setup
For a typical dial-up modem, try the following setup as a first attempt:
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)
BW500
•
set P770, port 1, to the value 3 (Modbus RTU)
•
set P771, port 1, to the value 1 (Network ID 1)
•
set P772, port 1, to the value 3 (Baud rate of 9600)
•
set P773, port 1, to the value 0 (No Parity)
•
set P774, port 1, to the value 8 (8 Data Bits)
•
set P775, port 1, to the value 1 (1 Stop Bit)
•
set P778, port 1, to the value 1 (Communications through Modem)
•
set P779, port 1, to the value 300 (Modem Inactivity of 300 seconds)
Note:
The meaning of these parameters are outlined in the Installation section