EM500 Open-Loop Vector Control Inverter User Manual
260
As shown in Figure 7-31, data sending section (t
s
), sending end mark section (t
w1
),
75176 forwarding waiting section (t
w2
), data return section (tr) and 75176 receipt section
(t
w3
).
Figure 7-31 Complete Data Frame Time Sequence Translation
Master-Slave
Communication
Function
0: Slave
1: Master (Modbus
protocol)
2: Master (CANSinee
protocol)
0: Output Frequency
1: Set Frequency
2: Output Torque
3: Set Torque
4: PID Setting
5: Output Current
Receiving
Proportionality Factor of
Slave
Sending Interval of
Master
EM500 supports master-slave communication function. In master-slave communication,
one inverter is used as master while other inverters are slaves; all slaves work as the
command sent by master to achieve the synchronous running function of multiple
inverters.