Detector Control Paths
Several control signals are available to control various detector functions as shown below.
5 V Power (FPD)
Enable (FPD)
300 V Bias (FID)
Digital (Ignite) / Power (Glow Plug)
Network
I
2
C
I
2
C
Digital
(Range
Select)
GCP
Color
Touch
Display
SYSCON
PECM
BaseDPM
A/D
Mezzanine
Module
(signal conditioning)
FID
FPD
Analog
Output
Figure 2-29 Maxum II Detector Control Functions
Location ID Switch
The Location ID Switch, shown previously in the photograph, selects the DPM location that is
incorporated in the address, to be reported in the results.
The DPM I
2
C port is connected directly to the system controller via the PECM or a wiring
distribution board. In this scenario, the following values are applied:
Switch Value
Location
1
Left
2
Center
3
Right
NOTE:
If the DPM I
2
C port is connected to an SNE, the value is always set to “1”. The actual location
value is determined by the SNE.
Electronic Compartment Component Descriptions and Maintenance Procedures
2.5 Detector Personality Modules
Maxum II Reference Manual
64
Manual, 7/2017, 2000596-001
