Endress+Hauser Deltabar PMD75B HART, Руководство пользователя

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System integration Deltabar PMD75B HART
34 Hauser
8 System integration
8.1 Overview of device description files
• Manufacturer ID: 17 (0x0011)
• Device type ID: 0x1131
• HART specification: 7.6
• DD files, information and files can be found at:
• www.endress.com
• www.hartcomm.org
8.2 Measured variables via HART protocol
The following measured values are assigned to the device variables at the factory:
Device variable Measured value
Primary variable (PV) Pressure
1)
Secondary variable (SV) Sensor temperature
Tertiary variable (TV) Temperature
Quaternary variable (QV) Sensor pressure
2)
1) The pressure is the calculated signal after damping and position adjustment.
2) The sensor pressure is the raw sensor signal before damping and position adjustment.
The assignment of the measured values to the device variables can be changed in the
following submenu:
Application → HART → HART output
In a HART Multidrop loop, only one device may use the analog current value for signal
transmission. The following must be set for all other devices:
"Current span" parameter = "Fixed current" option
8.2.1 Device variables and measured values
The following codes are assigned to the device variables at the factory:
Device variable Device variable code
Pressure 0
Scaled variable 1
Sensor temperature 2
Sensor pressure 3
Temperature 4
Terminal current 5
Terminal voltage 6
Mean of pressure signal 7
Statistical noise pressure 8
Percent of range 244