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