General information
Commissioning Instructions for PTB gas approval Proline Promass 84
4
Hauser
1
General information
1.1
How to use this document
1.1.1
Intended use
This document is designed to help you with the preparations needed to place the Promass 84
Coriolis gas meter on the market and to put it into use.
1.1.2
Target audience
This document is aimed solely at those who are authorized to place this gas meter on the market
and to carry out a re-verification. The gas meter has been approved in accordance with the
Measuring Instruments Directive.
1.1.3
Additional documentation
This document supplements the following documentation:
• for the Proline Promass 84 HART measuring device:
– BA00109D Operating Instructions
– BA00110D Description of Device Functions
• for the Proline Promass 84 Modbus RS485 measuring device:
– BA00129D Operating Instructions
– BA00130D Description of Device Functions
1.2
Components of the measuring system
1.2.1
System design
The electronics basically consist of a bus printed circuit board, which connects the power unit to
the amplifier and the communication module. The sensor/exciting circuits, HistoROM/S-DAT,
HistoROM/T-DAT as well as the user interface/operating module are plugged into the amplifier.
Keys
Display
Modbus RS485
Exciter coil
Amplifier
Communication
module
Frequency output
Sensor coil
Pulse output
Temperature sensor
Current output
Power supply
Relay output
Connector
service
tool
