Checkweigher user’s manual
30
7
Communication protocol and parameter
The device can communicate by RS232/RS485 selectable serial port and support
Modbus communication protocol. Initial setting is RS232 serial port.
Communication protocol address as follows:
Function
address
Description
4 bytes read-write
0100
Current product identity
0108
Stable-determination range
0114
Product length
0116
Nominal weight
0118
Upper deviation
0120
Lower deviation
0126
Tare
0130
Weighing belt velocity
0134
Distance between end of weighing platform and centre of
over rejector
0136
Distance between end of weighing platform and centre of
under rejector
0138
Distance between end of weighing platform and centre of
fail rejector
0142
Overweight reject time
0144
Underweight reject time
0146
Fail reject time
0150
Dynamic compensation coefficient
0158
Total batches
0160
Pass batches
0162
Consecutive reject batches
Read-only register
(
Function code 0x03
)
0600
Real-time weight
0602
Current weight (Weight displayed)
0604
Sampling label
0606
Sum weight
0608
Sum times
0610
Pass sum weight
0612
Pass sum times
0614
Pass average weight
0616
Percentage of pass
0622
Over reject sum weight
0624
Over reject sum times
0626
Under reject sum weight
0628
Under reject sum times
0678
Throughput, unit: p/min
0682
Error code
0684
Average weighing result of latest 50 times