Lighthouse Worldwide Solutions REMOTE ActiveCount, Руководство по установке, Страница: 30 / 54

Lighthouse REMOTE ActiveCount Installation Guide
4-2 248083413-1 Rev 4
Operating the
RAC System
The Remote ActiveCount can be operated by using the MODBUS
Protocol. The applicable action commands are listed in Table 4-2.
Access RAC
Information
Table 4-3 displays the MODBUS read commands to access RAC
information.
Table 4-2 Action Commands
Value Register Action
1 40002 Saves all writable 40002 register values to the
EEPROM.
5 40002 Enable Remote Mode. Locks out the instrument’s
user interface. Can only change instrument
parameters via MODBUS.
11 40002 Instrument Start. Uses defined Initial Delay, Hold
Time, Sample Interval and counting mode. Instrument
executes samples and holds until an Instrument Stop
command is issued. This command will start the
pump.
12 40002 Instrument Stop. Aborts current sample. Stops pump.
Stops data collection.
Table 4-3 Read Commands
Value Register Action
50 40001 Read Device Information: Parse through device
information. Verify "VIABLE" in the product name.
1 40003 Read Device Status
2 40005 Read Device Serial Number
74 30001 Get Data Record
72 41001 Get Data Types
72 42001 Get Data Units
72 43001 Get Data Enables