Commends - Bell VFM60 Series User Introduction Manual

Digital setting address is as below.
Register
2000~2001 D001 Max pressure
2002~2003 D002 Min pressure
2004~2005 D003 Max temperature
2006~2007 D004 Min temperature
2008~2009 D005 Density
2014~2015 D008 K factor
2016~2017 D009 Max flow rate
2018~2019 D010 Min flow rate
2024~2025 D013 Factor for total flow output
2026~2027 D014 Ambient pressure
2028~2029 D015 Pipe size
2040~2041 D021 Cut off small signal
2058~2059 D030 Specific density
2060~2061
D031 mol% of N2 and H2
2062~2063
D032 mol% of CO2
2064~2065
D033 Higher heating value
The chart above indicates the register address, usage of the register, restriction of modification,
read/write nature and date type. The register above are all holding register, the supporting function
code is 03,04,06,16 function code.

6.2 Commends

Function code 03 and 04 are the codes supported for reading the registers. Function code 06 is for
writing one register. Function code 16 is for wrting multi registers. Function code 06 is only
supported for writing short date. Function code 16 is supported for writing both short date and float
date.
Function code 03 – Read register
Request
01 : Address
03 : Function code
00 : Register address higher
00 : Register address lower (display the address)
00 : Register number higher
02 : Register number lower
CRCL : CRC Parity code lower
Date:24/04/2020
Chart 6.3 Address of digital setting
Usage
29 / 59
VFM-60
Vortex Flowmeter
Restriction of Nature
modification
-1e5~1e6 Read/Write
-1e5~1e6 Read/Write
-1e5~1e6 Read/Write
-1e5~1e6 Read/Write
0~1e6 Read/Write
0~1e6 Read/Write
0~1e6 Read/Write
0~1e6 Read/Write
0~1e6 Read/Write
0~1e6 Read/Write
0~1e6 Read/Write
0~1e6 Read/Write
Read/Write
[0.55，0.90]
Read/Write
[0，0.1]
Read/Write
[0，0.3]
Read/Write
[20，48]
Response
01: Address
03 : Function code
04 : Quantity of bit
80 : Date 1
04 : Date 2
80 : Date 3
80 : Date 4
Date
type
Float
Float
Float
Float
Float
Float
Float
Float
Float
Float
Float
Float
Float
Float
Float
float
Rev1.3
User's Manual