8 | Flame monitor settings
86
D-LX 201/721
Fig.8.9: Printed circuit board no. 2, DIP switch S5.
The flame monitor supports the Modbus protocol format RTU (remote terminal unit)
with the following serial transfer format:
(8E1) 1 start bit, 8 data bits, even-parity and 1 stop bit
for data transfer rates of 9600bps and 19200bps.
The address settings are made as per the following table:
Name Switch position
Modbus slave address Analogue
output
DIP position 1 2 3 4 5 6 7 8
0…20 mA on
4…20 mA off
9600 bps off
19200 bps*
on
Modbus ADDR 1*
on on on on on on
Modbus ADDR 2 off on on on on on
Modbus ADDR 3 on off on on on on
Modbus ADDR 4 off off on on on on
Modbus ADDR 5 on on off on on on
Modbus ADDR 6 off on off on on on
…
Modbus ADDR 9 on on on off on on
…
Modbus ADDR 64 off off off off off off
Table8.4: Setting the MODE switch S5
*
Factory setting
on delivery