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SV800/SV800A User Manual Appendix B: Communication
225
DO terminal communication is defined as follows:
Control command word
0x600B
Value
Meaning
bit0
0
DO1 OFF
1
DO1 ON
bit1
0
DO2 OFF
1
DO2 ON
bit2
Reserved
Reserved
bit3
0
Relay M1 OFF
1
Relay M1 ON
bit4
0
Relay M2 OFF
1
Relay M2 ON
bit5
0
Relay TA-TB-TC OFF
1
Relay TA-TB-TC ON
bit6~bit15
Reserved
Reserved
B.1.6 Examples of Modbus communication
Function code parameters reading example:
Read 1 # Inverter Digital Setting Frequency, Inverter Response Setting Frequency 50.00Hz
Address
Function
code
Register
address
Number of
registers
Register
contents
Check
Request
0x01
0x03
0x4100
0x0001
No
0x9036
Answer
0x01
0x03
No
0x02
0x1388
0xB512
Write single function code parameter example:
Start 1# inverter running in the forward direction
Address
Function code
Register
address
Number of
registers
Check
Request
0x01
0x06
0x6000
0x0001
0x560A
Answer
0x01
0x06
0x6000
0x0001
0x560A
Summary of Contents for SV800 Series
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