Transmitter Replacement - Siemens 7MF4033 series User Manual

UMSITRPDS3-1

7.6 TRANSMITTER REPLACEMENT

To replace a transmitter, refer to the procedure below and one or more of the following Sections in the
Installation section of this Manual:
•
4.4 Mechanical Installation
•
4.5 Mechanical Installation, All Models
•
4.6 Electrical Installation
•
4.7 Hazardous Area Installation
Disconnecting the transmitter from the loop must not release process material
that is hazardous to people or can damage equipment. Depressurize the
transmitter and drain process material as necessary.
Removal
1. Perform proper plant shut down procedures.
2. Remove power from transmitter. Open by-pass valves and close shut-off valves.
3. Remove the enclosure cap for access to the terminal board. Tag and disconnect loop wiring.
4. Disconnect the electrical conduit. Refer to Section 4.6 Electrical Installation. Replace the enclosure
cap.
5. Disconnect the transmitter from the process. Depressurize and drain impulse piping. Refer to the
Mechanical Installation section for the transmitter at hand; see above list.
•
Pressure or Flow Transmitter – Disconnect all process piping (e.g., impulse piping or 3-valve
manifold). Then remove the transmitter from its mounting bracket.
•
Level Transmitter – Remove the transmitter from the mating flange.
Before returning a transmitter, remove all process material. Material Safety Data
Sheets for all hazardous process materials in contact with the transmitter and the
potential consequences of exposure must be enclosed with the transmitter.
Installation
1. Fasten transmitter to mounting bracket. Refer to Mechanical Installation section for transmitter at
hand.
2. Connect transmitter to process.
3. Connect conduit and loop wiring. Refer to Sections 4.5 Mechanical Installation, All Models and 4.6
Electrical Installation.
4. Orient display and enclosure for best viewing of the display. Refer to Section 4.5 Mechanical
Installation, All Models.
5. Apply power to transmitter and configure. Refer to Section 6 Online Configuration and Operation.
November 2005
WARNING
Important
Calibration And Maintenance
7-17