Endress+Hauser iTEMP TMT71 - Page 19

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iTEMP TMT71/72 Operation options
Display elements
Head transmitter
1
2
3
4
5
6
7
A0008549
 11 Optional LC display for head transmitter
Item No. Function Description
1 Displays the TAG TAG, 32 characters long.
2 'Communication' symbol The communication symbol appears when read and write-accessing via
the fieldbus protocol.
3 Unit display Unit display for the measured value displayed.
4 Measured value display Displays the current measured value.
5 Value/channel display
DT, PV, I, %
6 'Configuration locked'
symbol
7 Status signals
e.g. PV for a measured value from channel 1 or DT for the device
temperature
The 'configuration locked' symbol appears when configuration is locked
via the hardware.
Symbols Meaning
Error message "Failure detected"
An operating error has occurred. The measured value is no longer valid.
The display alternates between the error message and "- - - -" (no valid
measured value present), see "Diagnostics events" section →  37.
The display alternates between the error message and "- - - -" (no valid
measured value present).
Detailed information on the error messages can be found in the
Operating Instructions.
"Service mode"
The device is in service mode (e.g. during a simulation).
"Out of specification"
The device is being operated outside its technical specifications (e.g.
during warm-up or cleaning processes).
"Maintenance required"
Maintenance is required. The measured value is still valid.
The display alternates between the measured value and the status
message.
Local operation
You can make hardware settings for the fieldbus interface using miniature switches (DIP
switches) on the rear of the optional display .
The user has the option of ordering the display with the head transmitter, or as an
accessory for subsequent mounting. →  41
NOTICE
‣
ESD - electrostatic discharge. Protect the terminals from electrostatic discharge.
Failure to observe this may result in the destruction or malfunction of parts of the
electronics.
Endress+Hauser V. 1, Rev. 2, 4-10-2018 19