43
Figure 9 – 15calibration menu
Select empty trim option for empty pipe calibration, full trim option for full pipe
calibration, and tube region option to set empty pipe sensitivity
Figure 9 - 16tube trim menu
9.5 RS485 communication function (MODBUS-RTU)
9.5.1
RS485 communication parameter setting item (Modbus)
Table 9 - 1485 communication parameter setting items
Set item
Description
Options / value range
Default
value
explain
Protocol
Communication
protocol
MODBUS,BACNET
MODBUS
Baud
rate
Baud rate
1200,2400,4800,9600,19200,38400
9600
Data Bit
Data bit
8
8
Fixed to
8.
Parity
Check bit
None,Odd,Even
None
Stop Bit
Stop bit
1,2
1
Select 1
or 2 for no
check
and 1 for
odd
/
even
check
Dev
Address
Device address
1~247
1
Decimal
number.
9.5.2 Modbus communication parameters
Table 9 - 2modbus communication parameters
type
read write
Parameter name
remarks
address
length
Int
0x03 0x06
Communication
mode
0:MODBUS
2:BACNET
0x0019
0x0001
Int
0x03 0x06
flow to
0:FORWORD
2:Bid.
0x0017
0x0001
↓→
Zero Trim
↓→
Output Trim
→
↓→
Tube Trim
→
↓→
Empty Trim
↓→
Full Trim
→
↓→
Tube Region%
→
