Jetec MF5000 Series, Руководство пользователя

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Functions Description Register Modbus
reference
Address Product address (R/W) 0x0081 40130 (0x0081)
Serial number Serial number of the product 0x0030~0x0035 40049 (0x0030)
Flow rate Current flow rate (R) 0x003A~0x003B 40059 (0x003A)
Accumulated flow Accumulated or totalized flow rate (R) 0x003C~0x003E 40061 (0x003C)
Baud rate Communication (R/W) 0x0082 40131 (0x0082)
GCF* Gas correction factor (R/W) 0x008B 40140 (0x008B)
Response time* Set the response time (R/W) 0x008D 40142 (0x008D)
Units* Instant and accumulated flow rate units (R/W) 0x0090 40145 (0x0090)
Password* Password change (R/W) 0x00AE~oxooAF 40175 (0x00AE)
Reset offset* Reset or calibrate the offset (W) 0x00F0 40241 (0x00F0)
Reset totalizer* Reset accumulated or totalized flow rate (W) 0x00F2 40243 (0x00F2)
Write protection Write protection of selected parameters (W) 0x00FF 40256 (0x00FF)
Notes:
1, R – Read-only, W – Write only, R/W – Read and write.
2, For the * marked functions, need to disable the write protection before setting.
The detailed information of each register is described below: Y: enabled; N: disabled
Address 0x0081
Write
Y
Read
Y
Description
RS485 Modbus address of the flow meter
Value type
UINT 16
Notes
Values from 1 to 255 except for 157 (0x9d).
Broadcast address 0 is not enabled, the default address is 1.
SN, Serial number 0x0030
Write
N
Read
Y
Description
Series Number of the product, SN
Value type
UINT8 (12 bits)
Notes
SN= value(0x0007), value(0x0008),….,value (0x000C);
e.g.:
Receiving 12 bits as: 0x2A47, 0x3741, 0x4549, 0x3032, 0x3035, 0x382A ,
the corresponding Serial Number is *G7AEI02058* .
Instant flow rate 0x003A ~ 0x003B
Write
N
Read
Y
Description
Instant flow rate
Value type
UINT 16
Notes
Flow rate = [Value (0x003A)*65536 + value (ox003B)]/1000
e.g.:
For a flow rate of 20.340 L/min , the user will read “0 (0x0000) ” from
register 0x003A and “20340 (0x4F74) ” from register 0x003B, therefore
Current flow rate = (0*65536+20340)/1000 = 20.340
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MF5000 User Manual