Oldham MX 32 - The Different Versions

2 – General introduction
5
The different Versions
The MX 32 controller is available in 3 versions:
■ 1 line,
■ 2 lines,
■ Bridge Version (2 channels) for direct monitoring of Wheatstone bridge
flammable gas detectors.
Figure 3: MX 32
The following table details the different possible configurations depending on
the controller’s version. On each line, it is possible to connect 4-20mA analog
detectors or digital addressable modules.
Maximum Capacity
Version
Detectors
Analog Input
Modules
Relay Output
Modules
Logic Input
Modules
Analog
Output
Modules
1 line
4
1
2
1
1
2 lines
8
2
4
2
2
Wheatstone Bridge
2
(1)
0
0
0
0
(1) OLC 10, OLC 10Twin or OLC 100 flammable gas detectors
Maximum Capacity
Version
External Relays
Logic Inputs
Analog Outputs
1 line
8
16
4
2 lines
16
16
8
Wheatstone Bridge
0
0
0
Table 1: Summary of the maximum capacity as per the controller type