ICPDAS HRT-310, User Manual, Page: 137 / 143

Command 2: Read P.V. Current and Percentage of Range
Request data bytes: none
Response data bytes: 2+8 = 10
Index Format Description
Byte 0 uint8 Response code 1
Byte 1 uint8 Response code 2
Byte 2~5 float Primary Variable Current
Byte 6~9 float Primary Variable Percentage of Range
Command 3: Read Dynamic Variables and P.V. Current
Request data bytes: none
Response data bytes: 2+24 = 26
Index Format Description
Byte 0 uint8 Response code 1
Byte 1 uint8 Response code 2
Byte 2~5 float Primary Variable Current
Byte 6 uint8 Primary Variable Unit code
Byte 7~10 float Primary Variable
Byte 11 uint8 Secondary Variable Unit code
Byte 12~15 float Secondary Variable
Byte 16 uint8 Tertiary Variable Unit code
Byte 17~20 float Tertiary Variable
Byte 21 uint8 4th Variable Unit code
Byte 22~25 float 4th Variable
Command 6: Write Polling Address
Request data bytes: 1
Index Format Description
Byte 0 uint8 Polling Address
Response data bytes: 2+1 = 3
Index Format Description
Byte 0 uint8 Response code 1
Byte 1 uint8 Response code 2
Byte 2 uint8 Polling Address
HRT-710 / HRT-310 User Manual Version 1.31 Page
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137
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