Chroma 19071 User Manual page 76

HIPOT Tester 19071/19072/19073 User's Manual
0xE8 0x03 0x00 0x00 = Low Limit 0.100mA (Command Parameter)
0x10 0x27 0x00 0x00 = Arc Limit 1.000mA (Command Parameter)
0x00 0x00 0x00 0x00 = Reserved (Command Parameter)
0xA4 = Checksum
The reading meanings of returning HEX code are as the following:
0xAB = Header
0x70 = Destination Address
0x01 = Source Address
0x02 = Data Field Length
0x7F = Reply Message Command Code
0x00 = Reply Message Return Data
0x0E = Checksum
Step Parameters?
Description:
Command code: 0xA4
Parameter:
Return data:
Example:
Descriptions of example
The setting meanings of HEX inputs are as the following:
0xAB = Header
0x01 = Destination Address
0x70 = Source Address
0x02 = Data Field Length
0xA4 = Command Code
0x01 = Parameter
0xE8 = Checksum
The reading meanings of returning HEX code are as the following:
0xAB = Header
0x70 = Destination Address
0x01 = Source Address
0x1D = Data Field Length
0xA4 = Command Code
0x01 = Step1 (Return Data)
0x01 = AC Mode (Return Data)
0x38 0xE4 = Voltage 1080V (Return Data)
0x1E 0x00 = Ramp Time 3sec (Return Data)
0x00 0x00 = Reserved (Return Data)
0x3C 0x00 = Test Time 6sec (Return Data)
0x09 0x00 = Fall Time 0.9sec (Return Data)
0x0C 0x17 0x00 0x00 = Hi Limit 0.590mA (Return Data)
0x90 0x01 0x00 0x00 = Low Limit 0.040mA (Return Data)
0x20 0x4E 0x00 0x00 = Arc Limit 2.000mA (Return Data)
0x00 0x00 0x00 0x00 = Reserved (Return Data)
0x0B = Checksum
5-10
It queries all parameters of various steps.
1 byte, the serial number of step, the range is 1-10
28 bytes data
Master (0x70): 0xAB 0x01 0x70 0x02 0xA4 0x01 0xE8
Slave (0x01): 0xAB 0x70 0x01 0x1D 0xA4 0x01 0x01 0x38 0x04
0x1E 0x00 0x00 0x00 0x3C 0x00 0x09 0x00 0x0C
0x17 0x00 0x00 0x90 0x01 0x00 0x00 0x20 0x4E
0x00 0x00 0x00 0x00 0x00 0x00 0x0B