Endress+Hauser iTEMP HART TMT 142 Bedienungsanleitung Seite 71

TMT142
Endress+Hauser
No. Description
15 Read primary variable output information
16 Read final assembly number
17 Write message
18 Write tag, descriptor, date
19 Write final assembly number
Common practice
34 Write primary variable damping value
35 Write primary variable range values
38 Reset configuration changed flag
40 Enter/exit fixed primary variable current mode
42 Perform master reset
44 Write primary variable units
48 Read additional device status
59 Write number of response preambles
E+H specific
144 Read matrix parameter
145 Write matrix parameter
®
• HART command No. 09 (HART-Cmd #9)
Apart from the analog output, the device makes other measured values available digitally. These
values (PV, SV, TV, QV), including their unit and status, are read out digitally by means of the
HART-Cmd #9 (Read Device Variables with Status).
Description Measured value
PV Primary variable
SV Secondary variable
TV Tertiary variable
®
• HART command No. 48 (HART-Cmd #48)
Apart from the response code and the device status byte, the field transmitter calls up a detailed
diagnosis by means of Cmd #48. This diagnosis is 8 bytes long.
Access
r
r
w
w
w
w
w
w
w
w
w
r
w
r
w
Meaning
Corresponds to the configured analog output value
Internal comparison measurement point (unit of the analog output
or °C)
Value from sensor
Commissioning
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