Word 18: Word Order This word controls which word comes first in the UINT32 integers. For a value 0, the most significant word is given first. For a value 1, the least significant word is given first. Application Layer 0 MSW first 1 LSW first Read Block Values returned in the words in the read are in response to the write to the Siemens Milltronics SmartLinx instrument. Words 0 through 20 have values with fixed meanings and formats. This means that you do not have to start communications with a write in order to use read, the data is always there. Words 22 through 30 are values returned in response to writing words 2 through 7 for Single Parameter Access (SPA). 1.
This is only available in firmware V 3.05 or higher. In V 3.05, these locations are “turned off” in P762. In higher firmware, they are defaulted on.
7ML19981BH02 SmartLinx DeviceNet – INSTRUCTION MANUAL Page 37 Description Start End Size Type instrument status 1 0 0 1 bitmapped rate 1 2 2 UINT32 load 3 4 2 UINT32 speed 5 6 2 UINT32 total 1 7 8 2 UINT32 total 2 9 10 2 UINT32 relay status 11 11 1 bitmapped discrete input status 12 12 1 bitmapped multispan selection 13 13 1 integer PID 1 setpoint value 14 15 2 UINT32 PID 2 setpoint value 16 17 2 UINT32 batch setpoint value 18 19 2 UINT32 batch prewarn setpoint value 20 21 2 UINT32 parameter, SPA 22 22 1 integer primary index, SPA 23 23 1 integer secondary index, SPA 24 24 1 integer new value, SPA 25 26 2 UINT32 decimal place, SPA 27 27 1 integer format, SPA 28 28 1 integer read / write flag, SPA 29 29 1 1/0 word order 30 30 1 1/0 Instrument Status 21 31 31 1 bitmapped Batch Total1 32 33 2 UNIT32