Siemens Maxum II Service Manual

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 3-6 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 3-7 Filament Detector Input Signal Path
Flame Photometric Detector
3.5 Base3 Detector Personality Module (DPM)
Maxum Edition II Detectors
Service Manual, May 2018, A5E42019847001 25

Siemens Maxum II Specifications

General

Category	Gas Chromatograph
Measurement Principle	Gas Chromatography
Communication Protocols	Modbus, Ethernet, Profibus
Operating Temperature	-20°C to 55°C
Power Supply	24 VDC or 100-240 VAC
Mounting	rack mount
Applications	Refinery, chemical, petrochemical, natural gas
Detectors	Thermal Conductivity Detector (TCD), Flame Ionization Detector (FID)
Sample Inlets	Multiple
Dimensions	Varies by configuration (e.g., 19" rack mount)