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| SERVICE 7 |
| SITRANS FX300 | |
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7.1 Replacing signal converter / LCD display
The signal converter has to be replaced by a converter of the same type. The following parameters have to be observed for it:
•The item number must match: 2.143670.xxx
•The software version 2 must match.
•The basic version has no software identification
•The gas version is marked: "gas"
•The steam version is marked: "steam"
Figure 7-1: Board, example
1Connector for display
2Version number, software identification
3Connector for measuring sensor
4Spacer pins
5Fixing screw (Phillips)
The following steps are to be performed:
•Switch off the power supply.
•Unscrew the front cover.
•Detach the display from the spacer pins.
•Detach the display cable 1.
•Detach the measuring sensor cable 3.
•Loosen the three fixing screws 5 (Phillips).
•Pull out signal converter.
•Insert new signal converter.
•Tighten the three screws.
•Attach measuring sensor cable 3 (Caution: ensure that the measuring sensor cables are not on top of the spacer pins 4 May be damaged).
•Attach display cable 1.
•Attach display in desired position, apply even pressure to the entire surface.
•Screw on cover by hand.
06/2009 - SFIDK.PS.050.F2.02 A5E02100423 | www.siemens.com/flow | 63 |
