Fox Thermal FT3 - Page 96

Zero Check In-Bottle Verify:
Address=40011, data = 176 (0xB0)
This command initiates a "Zero Check In-Bottle Verify". This operation does not aect ow
calculations. The register 40069 may be monitored to check for completion.
Switch to Curve #1:
Address=40011, data = 170 (0xAA)
This command initiates a command to switch to gas curve 1 when congured for 2 gas curves.
Make sure that the input contact is not programmed for curve switching
Switch to Curve #2:
Address=40018, data = 171 (0xAB)
This command initiates a command to switch to gas curve 2 when congured for 2 gas curves.
Make sure that the input contact is not programmed for curve switching.
Select Record (command 06, Preset Register, Modbus Address 40214)
This command is used to select the next record that is going to be read from the data log buer using
command 03.
Address register = 40214
Data = xx. (xx = record select (hex 0-1e, decimal 0-30)
NOTE! Record 0 is the latest and 30 is the oldest.
Request:
<Meter Address> <Function code=06> <Register address high=0x00> <Register address low=0xd5>
<Register data high=0x00> <Register data low =0xx> <CRC high> <CRC low>
Response:
<Meter Address> <Function code=06> <Register address =0x00> <Register address =0xd5>
<Register data=0x00> <Register data =0xx> <CRC high> <CRC low>
Read Record (command 03, Read Holding register)
These registers are used to get the data for a single record. Before issuing that command, a preset
command has to be sent to select the record to be read.
NOTE! The Record Number is an unsigned integer (0-65535) that is incremented every time a
new record is stored and is not the same as the request record number (0-30).
Communications | 96
Model FT3
Communications