System Description - MID Compliance
Fusion4 MSC-L Part No.: 4418309_Rev09
3- 8 Installation & Operation Manual
Honeywell
3.1.6 Menu-based MSC-L Control
By using service tools (the LAD, the IR controller, and the integrated
keyboard) the MSC-L can be controlled through its integrated and menu
based interface.
This control device can be one of the following three devices.
The RS-485 connection (through an Ex d/ Ex i connector on the front
of the MSC-L) based on the LAD.
The Fusion4 IR Controller.
Integrated keyboard.
Using one of these devices, it is possible to navigate the menu items,
change the settings (commissioning), initiate a calibration, and
diagnose problems.
3.2 MID Compliance
3.2.1 Introduction
The Measuring Instruments Directive (MID) (2004/22/EC) is
designed to provide a level playing field in Europe, for custody transfer
measuring equipment and systems. The MID currently covers 10
instrument categories, for uniform legislation in the 27 EU countries.
The implementation of this directive in national legislation became due
on the 30th of October 2006.
The MSC-L is 100% MID-compliant.
This legislation results in breaking down trade barriers and improving
competition, which is one of the main objectives of the European Union.
In the directive, the specific articles on each of the instrument
categories are called Annexes. The Annex relevant to the measurement
of petroleum products is “flow metering of liquids other than water”
and is identified as Annex MI-005. The requirements in this Annex are
based on the OIML recommendation R117-1, which is the pre-eminent
set of guidelines for Weight & Measures of petroleum metering
installations, for a considerable time.
3.2.2 MID Approval Approach
One of the key changes in the Measurement Instruments Directive (MI-
005) compared to previous national legislation, is that the total metering
system is now subject to perform in the accuracy specification, and not
just specific components. This means that not only the flow meter is
subject to certification but also others.