Veikong VFD500 Series Operation Manual page 76

Chapter 5 Function code table
Number of process
r30.06
Number of process
r30.07
data transmission
r30.08 frames received by
P30.09
master-slave option
P30.10
P30.11
Sending interval of
P30.12
P30.13
P30.14
Modbus response
P30.15
VFD500 high performance vector control frequency inverter user manual
from master overtime,it will trip as Er.485
Add 1 after receive one data，0～65535
data received count in cycle
Add 1 after transmiss one data，0～65536
count in cycle
Each time an CRC error frame is received,
Number of error
this value is incremented by 1,0 to 65535
cycles; it can be used to judge the degree
Modbus
of communication interference.
Modbus 0: slave
1: master(sent by broadcast )
Slave memory
when inverter as 1～9 corresponds to 0x7001～0x7009
master
0:output frequency
1:set frequency
2:output torque
Data sent by
3:set torque
Master
4:PID setting
5:PID feedback
6:output current
0.010～10.000sAs a master, after sending
one frame of data, the next frame of data
Master
is sent after this delay.
Receiving -10.000～10.000The values of slave
proportaionality registers 0x7001 and 0x7002 take effect
factor of slave after passing through this scaling factor
0: 0.01%
1: 0.01Hz
Communication
2: 1Rpm
special register
Some units of specific communication
speed unit
registers can be set by this parameter.
See Appendix A for details.
When the format of the received frame is a
write register, this parameter can be set to
reply to the host.
0: Reply to the host (standard Modbus
protocol)
1: Do not reply to the host (non-standard
Modbus protocol)
characteristics
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●
-
●
-
●
-
★
0
☆
1
☆
0
☆
0.1s
☆
1.00
☆
0
☆
0