Appendix 1 Modbus Protocol
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TI 01W01A56-01EN
Below is an example of 8bit Data Status information for PV.
Typically host system checks first bit (Bit7) to determine data quality. (0x80(128): Good condition
without error)
(Example of wireless communication status)
Not Join
: 0x08(8)
: Not Connected
Removing Battery/LEAVE : 0x14(20)
: No Communication with Last Usable Value.
User specific communication timeout based on “stale limit” setting.
Join Phase
: 0x18(24)
: No Communication with No Usable Value.
NOTE
All the data types are big-endian format.
Mar. 31, 2014-00