User guide

Operating options T82
20
6.3 Measured value display and operating elements
6.3.1 Display
1
2
3
4
5
6
7
A0008549
å 9
Optional LC display of the 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 S1,
S2, DT, PV, I, %
e.g. S1 for a measured value from channel 1 or DT for the device
temperature
6 'Configuration locked'
symbol
The 'configuration locked' symbol appears when configuration is locked via
the hardware.
7 Status signals
Symbols Meaning
"Out of specification"
The device is being operated outside its technical specifications (e.g. during
startup or a cleaning).
"Service mode"
The device is in service mode (e.g. during a simulation).
"Maintenance required"
Maintenance is required. The measured value is still valid.
The display alternates between the measured value and the status message.
"Operating error" error message
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 The measured value is no longer valid.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 ’Diagnostic events’ section.
6.3.2 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 transmitter, or as an accessory for
subsequent mounting.