Installation Procedure; Figure 3-7 Reflect Mount, Spacerbar-Side View - Siemens SITRANS FST020 IP65 NEMA 4X Betriebsanleitung

Ltn Menu Cell
This view only menu cell shows the distance in inches or millimeters between the front faces
of the sensors along the axis of the pipe. If you are mounting the sensors without a track or
spacer bar, you have to space them according to this value. Note that Ltn may be a negative
number for direct mount on very small pipes where the sensor spacing overlaps.
3.3.2

Installation Procedure

Preparing the pipe
1. Assemble the mounting frames and sensors, with the sensor cable connectors facing
2. Temporarily position the assembly at the location where you have determined it would be
3. Mark a generous area around the sensors (13mm / 1/2" on either side) with a pencil or
FST020 IP65 NEMA 4X Quick Start
Operating Instructions, 08/2014, A5E03086489-AJ
away from each other as shown below. The spacer bar is attached to each sensor using
a sensor Reference Index screw. One sensor is attached using the "REF" hole on the
spacer bar. The second sensor is attached to the spacer at the Number Index hole.
①
1012FNFS Mounting Frame &
Sensor
②
1012BN Spacer Bar
Figure 3-7 Reflect Mount, SpacerBar-Side View
mounted. Ensure that it is a smooth area without any raised spots or seams.
chalk. Remove the assembly.
③
Number Index Hole
④
REF hole
Connecting
3.3 Installing the Sensor
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