Tonghui Electronics TH7105, Operation Manual

Page: 107 / 187

102
6.4.2.6
Address 7 (Set Frequency)
1) Commands Description
This command is used to set the output frequency value in manual mode. The command data range is
45.0~500Hz. When the frequency is less than 100 Hz, the resolution is 0.1 Hz; when the frequency is not
less than 100 Hz, the resolution is 1 Hz.
2) Send Instruction Format
Instrument
address
Function
code
High
address
Low
address
High
bytes
Low
bytes
Number
of data
Data byte 1~4
CRC
Low
CRC
High
1~32 0x10 0x00 0x07 0x00 0x02 0x04
45.5~500.0V, 4
bytes stored in
float point type
Calculated based on
the first 11 bytes
3) Return Instruction Format
6.4.2.7
Address 8 (Current High Limit)
1) Commands Description
This command is used to set the current high limit value in manual mode. When the set voltage is not
greater than 150V, the command data range is 0.000~8.400A; when the set voltage is greater than 150V,
the command data range is 0.000~4.200A. The command is invalid when the output is turned on.
2) Send Instruction Format
Instrument
address
Function
code
High
address
Low
address
High
bytes
Low
bytes
Number
of data
Data byte 1~4
CRC
Low
CRC
High
1~32 0x10 0x00 0x08 0x00 0x02 0x04
0~8.4 or 0~4.2 , 4
bytes stored in
float point type
Calculated based on
the first 11 bytes
3) Return Instruction Format
Instrument
address
Function
Code
High Address Low Address High bytes Low bytes CRC Low CRC High
1~32 0x10 0x00 0x07 0x00 0x02
Calculated based on the first 6
bytes
Instrument
address
Function
Code
High Address Low Address High bytes Low bytes CRC Low CRC High
1~32 0x10 0x00 0x1D 0x00 0x02
Calculated based on the first 6
bytes