Chroma 19071 User Manual

RS485 Interface (For Link Model of 19073 + RS485)
5-13
0x70 = Destination Address
0x01 = Source Address
0x02 = Data Field Length
0x7F = Reply Message Command Code
0x00 = Reply Message Return Data
0x0E = Checksum
Recall Memory
Description: It recalls the saved test steps from various device internal memories.
Command code: 0x27
Parameter: 1 byte, serial number of memory, the range is 1 ~ 60
Return data: Reply Message
Example: Master (0x70): 0xAB 0x01 0x70 0x02 0x27 0x01 0x65
Slave (0x01): 0xAB 0x70 0x01 0x02 0x7F 0x00 0x0E
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
0x27 = Command Code
0x01 = “01” Memory S/N (Command Parameter)
0x65 = 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
Delete Memory
Description: It deletes the saved test steps from the memories inside device.
Command code: 0x28
Parameter: 1 byte, serial number of memory, the range is 0 ~ 60. When the
parameter is 0, it means it is need to clear the working memory, this
includes all steps and Preset parameters.
Return data: Reply Message
Example: Master (0x70): 0xAB 0x01 0x70 0x02 0x28 0x01 0x64
Slave (0x01): 0xAB 0x70 0x01 0x02 0x7F 0x00 0x0E
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
0x28 = Command Code
0x01 = “01” Memory S/N (Command Parameter)
0x64 = Checksum

Chroma 19071 Specifications

General

Brand	Chroma
Model	19071
Category	Test Equipment
Language	English