Description
Technical Parameters
- Manufacturer: Siemens (Applied Automation)
- Model Number: 2020964-001
- Revision: AC
- Module Type: DPM (Digital Pressure Module) Base Board
- System Series: Maxum Edition II Gas Chromatograph / Advance Maxum
- Function: Motherboard interface for pressure control modules and sensor regulation
- Communication: Internal system bus for analyzer controller interfacing
- Power Supply: Standard 24V DC (Internal system power)
Product Datasheet
| Specification | Details |
|---|---|
| Model | 2020964-001 |
| Origin | USA |
| Dimensions | 15.2 cm x 12.7 cm x 2.1 cm |
| Weight | 0.35 kg |
| Revision Level | AC |
| Circuit Material | High-temp resistant FR4 Fiberglass |
| Operating Temp | -18°C to +55°C |
| Compatibility | Siemens Applied Automation Maxum II Series |
Application Fields
The 2020964-001 DPM Base Board is a core component for precision gas chromatography:
- Petrochemical Refining: Managing carrier gas pressure for consistent analysis of hydrocarbon streams.
- Chemical Processing: Providing stable pressure control for online analyzer systems.
- Natural Gas Analysis: Interfacing with pressure sensors for calorific value and composition measurement.
- Environmental Monitoring: Ensuring precision in gas phase sampling and air quality analysis systems.
Product Instructions
- De-energize: Power down the Maxum II analyzer completely before opening the electronic compartment.
- ESD Protection: Wear a grounded wrist strap. The DPM Base Board is highly sensitive to static discharge.
- Connection: Carefully align the pressure module headers with the base board sockets to avoid bending pins.
- Mounting: Secure the board using the original standoffs to ensure proper grounding to the chassis.
- Calibration Check: After replacement, verify the electronic pressure control (EPC) settings via the analyzer workstation software.
Q&A
Q1: What is the primary role of the DPM Base Board? A1: It serves as the physical and electrical interface between the analyzer’s central processor and the individual digital pressure modules that regulate gas flow.
Q2: Are different revisions of 2020964-001 interchangeable? A2: Revision AC is generally backward compatible with older revisions, but you should verify if any specific firmware updates are required for the analyzer controller.
Q3: What causes pressure instability linked to this board? A3: Instability is often caused by loose ribbon cable connections or thermal drift in the board’s analog-to-digital conversion circuits.
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