EnCal 3000 page 1
1 Introduction
1.1 The EnCal 3000 Gas Quality Measuring System
The basic configuration of the EnCal 3000 gas quality measuring system consists of the EnCal 3000 Gas
Chromatograph and the EnCal 3000 Controller (see Figure 1 below).
When running EnCal 3000 Quad is the meter is in two cases and can contain up to four analytical channels. (see Figure
2 below).
The gas chromatograph’s measuring technology performs the analysis independently.
You can install further controllers as an option. The subsystems communicate via Modbus with each other, with one
controller being the active unit (Modbus master) that controls the gas chromatograph (Modbus slave). The two optional
controllers act as passive units (Modbus listeners), i.e. they also read the communication at the Modbus and extract the
data relevant to them, but they do not send and process any commands.
The controllers serve as displays and data logging devices within the EnCal 3000 measuring system. As active unit the
controller also serves as control element for the gas chromatograph. It is therefore used to perform manual calibrations
or test gas runs.
As an option the EnCal 3000 Controller provides a hydrocarbon dew point calculation derived from the ISO 23874
standard and based on a C9+ analysis of the EnCal 3000 Gas Chromatograph.
The gas quality measurement system EnCal 3000 is described in 3 manuals
This manual deals with the controller.
Two other manuals are devoted to the hardware and the PC configuration software of the measuring element.
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