10 MX43 
 User manual 
 
 
The MX43 Central Measurement Unit 
 
Versions
 
The MX43 central measurement unit is available in 3 versions:
 
■  Wall version 4 lines. 
■  Wall version 8 lines. 
■  Rack version 8 lines. 
 
 
0012 
Figure 3: Wall mounted version MX43 (left illustration) or Rack mounted version (right 
illustration). 
The following table details the possibilities of configuration, depending on the 
type of unit. On each line, it is possible to connect a 4-20mA analog detector 
or one, or several, digitally addressable modules. 
 
  Maximum number of
 
Versions
 
Modules (1)
 
Detectors 
 
External 
relays
 
Logic inputs
 
Analog 
ouputs
 
4 lines
 
16 16 8  16 16 
8 lines
 
32 32 24 32 32 
(1) Gas detectors, 4 or 8-analog output modules, and 16-logic input modules.
 
Table 1: Summary of the maximum configurations as per the central unit. 
The COM43 Application 
 
This is intended for setting the MX43 parameters from a PC in the Windows® 
environment. The operation and use of this application is the subject of a 
specific training course.