Command 6:Write Polling Address; Command 11:Read Unique Identifier Associated With Tag - Bell VFM60 Series User Introduction Manual

Tertiary variable is frequency. The unit is Hz;
Quaternary variable is temperature. The unit is 32: ℃;
Test of command:
Send command 3:FF FF FF FF FF 82 9A 1A AD 18 8C 03 00 38; to read dynamic variables
Receive command 3:FF FF FF FF FF 86 9A 1A AD 18 8C 03 1A 00 00 40 80 00 00 13 00 00 00
00 2B 48 33 5A 4B 26 00 00 00 00 20 00 00 00 00 B2

7.1.5 Command 6:Write polling address

Command formate:
It is a date link manangment command. This command writes a polling address to the device. This
address is used to control the AO of primary variable and providing of device ID.
Only when the polling address of the instrument is 0, that the AO output of primary variable is
available. If the address is 1~15, AO will be not activated and will not reponse, AO will be minimum
value; transmission status will be the 3
implemented. If polling address is write back to 0, AO will be activated again and will reponse.
Request:
Byte 0:
Response:
Byte 0:
Test of command:
Send command 6:FF FF FF FF FF 82 9A 1A AD 18 8C 06 01 00 3C ; to write POLLING
ADDRESS
Receive command 6:FF FF FF FF FF 86 9A 1A AD 18 8C 06 03 00 00 00 3A

7.1.6 Command 11:Read unique identifier associated with tag

Command formate:
It is a date link manangment command. This command will return the device type, revision level
and divice indentification number of the device which matches to the tag. Process the command upon
receipt of the expension address or broadcast address. The expension addresses in command and
reponse are the same.
Request:
Byte 0-5:
Response:
Byte 0:
Byte 1:
Byte 2:
Byte 3:
Byte 4:
Byte 5:
Date:24/04/2020
rd
statue------primary variable AO fixed; max and min alarm not
Device polling address
Device polling address
Tag,Packed ASCI
Device type code for expansion
Manufacture Indentification code
Manufacture device type
Number of request preambles
Revision level of universal command
Revision level of transmitter document
36 / 59
VFM-60
Vortex Flowmeter
Rev1.3
User's Manual