Lighthouse RLPC 0.1m, Operating Manual

Page: 34 / 118

Lighthouse REMOTE Liquid Particle Counter (MODBUS Output) Operating Manual
4-2 248083227-1 Rev 8
DIP SWITCH GENERAL DEFINITIONS
Table 4-1 displays the general DIP Switch settings. OFF (DOWN) = 0,
ON (UP) = 1
Note:
Use a tool with a
very small, pointed tip in
order to change the DIP
Switch positions.
Table 4-1 DIP Switch settings
Communication Modes
There are three communication modes for the RLPC - MODBUS
protocol, MR protocol and ASCII mode as shown in Table 4-2.
The DIP Switches must be set before the unit is powered up. If the DIP
Switches are changed, power cycle the instrument to implement the
change.
Position
#
Description Setting
1 Binary Bit 0 Addressing, OFF=0, ON=1
2 Binary Bit 1 Addressing, OFF=0, ON=1
3 Binary Bit 2 Addressing, OFF=0, ON=1
4 Binary Bit 3 Addressing, OFF=0, ON=1
5 Binary Bit 4 Addressing, OFF=0, ON=1
6 Binary Bit 5 Addressing, OFF=0, ON=1
7 Communication
Mode
Used in conjunction with DIP
switch 8 to set MR, MODBUS or
ASCII mode
8 Communication
Mode
Used in conjunction with DIP
switch 7 to set MR, MODBUS or
ASCII mode
Table 4-2 DIP Switch configuration for Communications
Mode
COMMUNICATIONS MODE
DIP
SW 7
DIP
SW 8
MODBUS protocol OFF OFF
ASCII mode OFF ON
MR Protocol with software addressing ON OFF
MR Protocol with DIP Switch addressing ON ON