Installing/Removing The Lcd Indicator - ABB 261GS Operating Instruction

6.5

Installing/Removing the LCD indicator

Fig. 14:
The LCD indicator is attached to the housing of the pressure
transmitter. The LCD indicator can be replaced, e.g., if
defective.
WARNING – Risk of burns!
The connection head can be become very hot as
a result of the process. There is a danger of
burns.
Switch off the LCD indicator before replacing the
LCD indicator.
The transmitter atmosphere may be explosive.
Risk of explosion!
1  Unscrew the housing cover for the transmitter.
2. Carefully remove the LCD indicator from the inset for the
transmitter. The LCD indicator is held firmly in place,
meaning that you may have to use the tip of a screwdriver
to pry it loose. Take care to avoid any mechanical
damage.
22 IM/261Gx/Ax-EN Rev. 08 | 261Gx, 261Ax
3. No tools are required to insert the LCD indicator. Carefully
insert both guide pins for the LCD indicator in the guide
holes of the transmitter inset. Make sure the black
connection socket fits into the terminal on the transmitter
inset. The red outer flat ribbon cable marking is on the
inside facing the middle of the device. Then press it in as
far as it will go. Make sure that the guide pins and
connection socket are fully inserted.
IMPORTANT (NOTICE)
The LCD indicator is designed with type of
protection "intrinsic safety" and is covered by the
transmitter's EC type-examination certificate.
Following this, the position of the LCD indicator can be
adjusted to suit the installation position of the transmitter, to
ensure that the display is legible.
The LCD indicator has twelve positions that can be set in 30°
increments.
NOTICE – Potential damage to parts!
Make sure the flat ribbon cable does not get
twisted or torn when rotating the LCD indicator.
4. The LCD indicator consists of an upper and a lower part.
Both parts are connected to each other via a bayonet
lock. Carefully rotate the top part of the LCD indicator
approx. 45° to the left, in order to detach it from the
bottom part of the indicator.
5. Carefully lift the LCD indicator into the desired position in
the bottom part and rotate to the right until it snaps into
place.
NOTICE – Potential damage to parts!
Take care not to pinch the flat ribbon cable when
rotating the LCD indicator.
6  Screw on the housing cover for the transmitter.