Siemens SITRANS P Bedienungsanleitung PDF herunterladen (Seite 141)

UMSITRPDS3-1 Calibration And Maintenance

November 2010

7-9

7.4 ASSEMBLY REMOVAL AND REPLACEMENT

The display, electronics module, measuring cell, and terminal board assemblies are not user-serviceable;

however, they may be replaced. This section describes removal and replacement of these assemblies.

Refer to Section 7.0 for a list of tools. Figure 7-1 shows transmitter major assemblies.

WARNING

Explosion can cause death or serious injury.

In a Division 1 area, where an explosion-proof rating is

required, remove power from the transmitter before

removing either enclosure cap.

This device has a modular structure. Use only Siemens

authorized assemblies. When servicing, refer to the

instructions enclosed with replacement parts.

Enclosure cap with/without viewing glass

Digital Display

Threaded hex standoff

Electronics Module and display cable

Measuring Cell board

Enclosure

Measuring Cell (gauge construction shown;

includes measuring cell cable and measuring

cell board)

Terminal Board assembly (inside enclosure

cap adjacent to Field Terminals)

FIGURE 7-1 Transmitter Exploded View

The transmitter configuration must be reviewed after replacing either the electronics module (4) or the

measuring cell (7). The following table identifies the parameters that are stored and those that will need to

be entered.

1 2 ... 136 137 138 139 140 141 142 143 144 145 146 ... 221 222

Keine Kommentare

Siemens SITRANS P Bedienungsanleitung Seite 141