ICP DAS USA ICP CON GW-7557, Руководство пользователя

Страница: 77 / 79

GW-7557 PROFIBUS/HART Gateway User Manual
(Version 1.00, Dec/2011)
PAGE: 77
Byte 4: uint8 Manufacturer’s device ID
Byte 5: uint8 Number of preambles needed in the request
Byte 6: uint8 Command set revision number
Byte 7: uint8 Transmitter specific revision code
Byte 8: uint8 Software revision
Byte 9: uint8 Hardware revision
Byte 10: uint8 Flags
Byte 11~13: uint24 Device ID number (MSB first)
Command 12: Read Message
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 2~25: PA24 Message
Command 13: Read Tag, Descriptor, Date
Request data bytes: none
Response data bytes: 2+21 = 23
Index format description
Byte 0: uint8 Response code 1
Byte 1: uint8 Response code 2
Byte 2~7: PA6 TAG Name
Byte 8~19: PA12 Descriptor
Byte 20: uint8 Day of month
Byte 21: uint8 Month of year
Byte 22: uint8 Year as offset to 1900
Command 14: Read Primary Variable Sensor Information
Request data bytes: none
Response data bytes: 2+16 = 18
Index format description
Byte 0: uint8 Response code 1
Byte 1: uint8 Response code 2
Byte 2~4: uint24 Sensor Serial Number (MSB first)
Byte 5: uint8 Sensor limits unit
Byte 6~9: float Upper sensor limit