Description; Overview - Siemens SIPROCESS GA700 Operating Instructions Manual

Description

4.1

Overview

Rack-mounted devices have a modular structure. A rack-mounted device comprises a rack-
mounted housing and at least one analyzer module. Optionally, rack-mounted devices can be
fitted with option modules.
Definition of rack-mounted device and rack-mounted housing
The following terms are used in the operating instructions:
• Basic device, rack-mounted housing
This includes the metal housing for installation in a 19" rack with local user interface, built-
in processing unit (PU) and a power supply unit. A rack-mounted housing (basic device) is
prepared for installation of the analyzer and option modules.
• Rack-mounted device
This includes a rack-mounted housing (basic unit) with at least one analyzer module (AM)
installed.
Overview of analyzer modules
The analyzer modules are matched with specific sample gas components and measuring ranges.
Various types of measuring methods are implemented.
The following table provides an overview of the features of the measuring tasks of the analyzer
modules.
Table 4-1
Analyzer modules
OXYMAT 7
ULTRAMAT 7
CALOMAT 7
Rack-mounted device
Operating Instructions, A5E31874006-12
Measuring task of the analyzer modules
Sample gas in gas mixtures
O
2
CO, CO
NH
3
H and additional gases in binary
2
or quasi-binary gas mixtures
, CH , C H , SO , NO, N O,
2 4 2 4 2 2
Measuring principle
Paramagnetic alternating pres‐
sure method
Infrared push-pull chopped radi‐
ation method
Difference in thermal conductivi‐
ty of gases
4
19