Mapping for Non-DD Based Integration with Host Systems
July 2016
Reference Manual
00809-0200-4648, Rev BB
77
Mapping for Non-DD Based Integration with Host Systems
C.2
Mapping of device variables index numbers
To integrate a device into the host system, it may be necessary to know what each device
variable represents, and what index number it has been assigned to. The variable index
number is an arbitrary number used to uniquely identify each variable supported in the field
device.
displays the device variable and variable mapping indexes for the
Rosemount 648 Wireless.
Table C-4. Device Variable Index
Device variable index
Description
0
Supply voltage
1
Electronics temperature
2
Process temperature
3
Terminal temperature
244
Percent of range
Table C-5. Variable Mapping
Process variables
Mapped variable index
PV
2 - Process temperature
SV
3 - Terminal temperature
TV
1 - Electronics temperature
QV
0 - Supply voltage
Содержание Rosemount X-well 648
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