
Lighthouse REMOTE 5104V Operating Manual
t-ii 248083293-1 Rev 7
Connections ..................................................................................................... 3-11
.Communication Ports ..................................................................................... 3-12
Cabling Sensor ................................................................................................. 3-12
DIP Switches .................................................................................................... 3-15
Instrument Mounting ....................................................................................... 3-15
Power ............................................................................................................... 3-16
Vacuum Inlet .................................................................................................... 3-16
Chapter 4 Communications
DIP Switches .................................................................................................................. 4-1
DIP Switch General Definitions ........................................................................ 4-2
Communication Modes .......................................................................... 4-2
DIP Switch Addressing .......................................................................... 4-3
Communicating with the Instrument ............................................................................. 4-4
RS-485 Port ........................................................................................................ 4-4
Chapter 5 Programming with MODBUS Protocol
DIP Switches .................................................................................................................. 5-1
Protocol Settings ............................................................................................................ 5-1
Power On/Auto Start ...................................................................................................... 5-1
Running the Instrument Using MODBUS ..................................................................... 5-2
AUTOMATIC Counting Mode ......................................................................... 5-2
MANUAL Counting Mode ................................................................................ 5-3
Configuring with the MODBUS Protocol ..................................................................... 5-3
Setting the Real Time Clock .............................................................................. 5-3
Changing the Default Instrument Parameters .................................................... 5-4
Using Sensor Setting Registers .............................................................. 5-5
Location (Register 40026) ..................................................................... 5-5
Hold Time (Registers 40031, 40032) .................................................... 5-5
Sample Time (Registers 40033, 40034) ................................................ 5-5
Alarm Enable Registers ..................................................................................... 5-6
Enable Alarming for a Channel ............................................................. 5-7
Threshold Setup Registers ................................................................................. 5-7
Setting the Alarm Threshold Value ....................................................... 5-8
Appendix A R5104V MODBUS Register Map v1.44
COMM Settings ............................................................................................................ A-1
Supported MODBUS Commands ................................................................................. A-1
Sensor Settings Registers .................................................................................. A-2
Device Status ........................................................................................ A-4
Alarm Enable Registers .................................................................................... A-6
Enable Alarming for a Channel ............................................................ A-7