SHENZHEN ENCOM ELECTRIC TECHNOLOGIES CO. EN500 Series Service Manual page 239

Appendix A Modbus communication protocol
2. Stop #1 inverter running
host
command
01
frames
Slave
respond
01
frames
3. Set #1 inverter given value to 25Hz (the upper limitation frequency is
50Hz)
host
command
01
frames
Slave
respond
01
frames
4. Read #1 inverter running state
host
command
01
frames
Slave
respond
01
frames
232
06 1E
06 1E
06 1E
06 1E
03 1E
(Respond value
03
byte quantity)
02
00 00
00 00
01 13
01 13
02 00
00
06 0F
06 0F
88 D3
88 D3
01 23
01 79
E0
E0
74
74
E2
84