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Overview of DPM Functions
The Base 3 Detector Personality Module (DPM) combines these functions in a single module:
Including Mezzanine
Input Signal Paths
The input-signal functions are shown below.
Network
GCP
SYSCON
Color
Touch
Display
Figure 2-27
FID, FPD, or Analog Input Detector Input Signal Path
GCP
Figure 2-28
Maxum II Reference Manual
Manual, 7/2017, 2000596-001
Electronic Compartment Component Descriptions and Maintenance Procedures
FID
FPD
Modules
Analog volt‐
age input
Filament Detector
Temperature control
System communication
2
2
I
C
I
C
PECM
Network
SYSCON
Color
Touch
Display
Filament Detector Input Signal Path
Input from detector via mezzanine module
Ignite signal / glow-plug output
Range-select output
300-V bias output
Flame-sense input (used in Maxum I analyzers only)
Input from detector via mezzanine module
Ignite signal / glow-plug output
Range-select output
Enable signal output
300V bias output
Flame-sense input (used in Maxum I analyzers only)
Input from detector via mezzanine module
Range-select output
Input via connector on right side (as viewed inside analyzer EC)
Temperature setpoint module connector
Two RTD inputs
Two heater-control outputs
I
C port with ID-select switch
2
Mezzanine
Analog
BaseDPM
A/D
(signal conditioning)
I
2
C
I
2
C
BaseDPM
PECM
2.5 Detector Personality Modules
Flame Ionization or
Analog
Module
Flame Photometric
Analog
A/D
Detector
Filament
Detector
63

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