Endress+Hauser TMT122, Руководство по эксплуатации

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Temperature DIN rail transmitter 6 Commissioning
Hauser 21
6.2.5 Description of unit functions
The following table contains a listing and description of all unit functions of the HART
®
protocol
that can be used for setting up the temperature DIN rail transmitter.
!
Note!
Factory default values are shown in bold text.
The HART
®
operating module (DXR275/375) display is indicated by the following symbol
7
.
Function group: WORKING PARAMETERS
Primary value
• V0H0
•
7
(PV)
Display of actual measured temperature.
Display: 7-digit number with floating decimal point and engineering unit.
(e.g. 199.98 Ohm; -62.36 °C, 407.76 °F)
Int: temperature
• V0H1
Display of the actual measured temperature of the internal comparison measurement
point.
!
Note!
Display: 7-digit number with floating decimal point and engineering unit. (e.g. 23.70
°C, 71.04 °F)
a
a. Only for Commuwin II operating matrix
Time filter
• V0H2
Digital filter selection 1
st
grade.
Input: 0 to 100 seconds
0 sec.
RJ Mode
• V0H3
Selection of internal (Pt100) or external (32 to 176 °F/0 to 80 °C) cold
junction compensation.
Entry: internal; external
internal
!
Note!
Entry only possible on selection of thermocouple (TC) in unit function
SENSOR TYPE.
1
Ext. RJ Value
• V0H4
Entry of external cold junction value.
Entry: -40.00 to 185.00 °F (-40.00 to 85.00 °C) (°C, °F, K)
0 °C
!
Note!
Entry only possible on selection of an external cold junction compensation in unit
function RJ MODE.
OFFSET
• V0H5
Entry of zero point correction (Offset).
Entry: -18.00 to 18.00 °F (10.00 to 10.00 °C) (°C, °F, K)
0.00 °C
!
Note!
Entry returns to factory default values when changing sensor type!