Operation options Deltabar FMD71, FMD72
30 Endress+Hauser
7 Operation options
7.1 Operation without operating menu
7.1.1 Position of operating elements
Operating keys on the exterior of the device
With the T14 housing (aluminum or stainless steel), the operating keys are located either
outside of the housing, under the protection cap or inside on the electronic insert. In
addition, devices with an onsite display and a 4 to 20 mA HART electronic insert have
operating keys on the onsite display.
A0016499
The operating keys on the outside of the device make it unnecessary to open the housing.
This guarantees:
• Complete protection against environmental influences such as moisture and
contamination
• Simple operation without any tools
• No wear.
Operating keys and elements located internally on the electronic insert
on
off
damp.
Display
Sensor
HART
R
FIELD COMM UNICATION PROTO COL
SW /min
t
on
off
1 2
3
4
5
6
SW/min
7 8
A0016500
1 DIP switch for locking/unlocking parameters relevant to the measured value
2 DIP switch for switching damping on/off
3 DIP switch for alarm current SW/Alarm min (3.6 mA)
4...5 Not assigned
6 Green LED to indicate value being accepted
7 Operating keys
8 Slot for optional display
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