
ApexRp Operators Manual
5 248083480-1 Rev 3
Communicating Serial with ApexRp Instrument ...................................................................... 32
Serial Data / Power Port ....................................................................................................... 32
RS-485 Communications....................................................................................................... 34
Ethernet Settings: ................................................................................................................. 35
ApexRp Web Page Interface ..................................................................................................... 36
5 Maintenance Procedures .......................................................................................................... 38
Introduction .............................................................................................................................. 38
Safety ........................................................................................................................................ 38
Maintenance Calibration .......................................................................................................... 38
Zero Count Test......................................................................................................................... 38
Fault Isolation............................................................................................................................ 39
Instrument Service Report........................................................................................................ 39
6 Program with MODBUS Protocol .............................................................................................. 40
DIP Switches.............................................................................................................................. 40
Protocol Settings....................................................................................................................... 40
Power On/Auto Start ................................................................................................................ 40
Running the Instrument Using MODBUS.................................................................................. 41
AUTOMATIC Counting Mode ................................................................................................ 41
Configuring with the MODBUS Protocol................................................................................... 42
Setting the Real Time Clock .................................................................................................. 42
Changing the Default Instrument Parameters...................................................................... 43
Using Sensor Setting Registers.............................................................................................. 44
Location (Register 40026) ..................................................................................................... 44
Hold Time (Registers 40031, 40032)..................................................................................... 44
Sample Time (Registers 40033, 40034) ................................................................................ 44
Alarm and Threshold Registers................................................................................................. 45
Alarm Enable Registers ......................................................................................................... 45
Enable Alarming for a Channel ............................................................................................. 46
Threshold Setup Registers .................................................................................................... 46
Setting the Alarm Threshold Value....................................................................................... 47
7 Install ......................................................................................................................................... 48
Install the ApexRp ..................................................................................................................... 48
Installation Basics:................................................................................................................. 48
Installing the Wall Bracket/ApexRp....................................................................................... 48
Installing ApexRp without Wall Bracket ............................................................................... 50