Description
The ABB 802A001B-1 is a Printed Circuit Board Assembly (PCBA) configured as a DC Solenoid Driver. This module is an engineering component primarily deployed within ABB’s specialized analytical hardware families, including the legacy PGC2000 and PGC5000 process gas chromatograph series. It acts as the direct physical interface between the analytical controller’s processor logic and the low-voltage DC solenoids that actuate internal stream-switching valves, sample injection loops, and column backflush manifolds.
Technical Specifications
| Parameter | Value / Specification |
| Brand / Manufacturer | ABB Analytical / Instrumentation |
| Model Number / SKU | 802A001B-1 |
| Alternative Variants | 802A001B-C1 |
| Component Type | Printed Circuit Board Assembly (PCBA) |
| Primary Function | High-speed DC Solenoid Valve Driver |
| Host System Compatibility | PGC2000, PGC5000 Process Gas Chromatographs |
| Output Channels | Multi-channel inductive load drivers |
| Net Weight | 0.45 kg (0.99 lbs) |
| Dimensions | 10.16 cm \times 7.62 cm \times 2.54 cm (4.00 in \times 3.00 in \times 1.00 in) |
| Standard Board Revision | Rev E1 (and comparable iterations) |
Commercial Availability & Lifecycle Terms
- Condition: New Original (New Surplus) or Refurbished (Fully Tested). Boards are verified for trace integrity, driver transistor dissipation, and edge-connector continuity.
- Warranty: 12-month technical warranty covering onboard component degradation, opto-isolator faults, and logic failure.
- Lead Time: Typically dispatches within 1 to 3 business days from stock via express courier services.
- Pricing Notice:
[!NOTE]
Because this part belongs to specialized analytical instrument product lines, spot pricing varies based on global surplus availability. Contact our sales desk for an official, unbinding technical quote.
Field Application & Maintenance Troubleshooting
Inductive Kickback and Circuit Protection
The 802A001B-1 board features dedicated freewheeling flyback diodes for each DC solenoid channel to suppress the significant inductive voltage spikes generated when a solenoid coil de-energizes. If a channel fails in a short-circuit condition (valve remains permanently energized), verify the health of the downstream valve coil. A partially shorted solenoid coil increases current draw beyond the driver’s nominal threshold, which will eventually burn out the board’s output switching transistors.
Integration within PGC Cabinets
When sliding the board into the instrument’s electronic housing card rack, ensure that power to the main backplane assembly (such as the 802A005B-1) is completely shut off. Hot-plugging the 802A001B-1 can induce logic race conditions in the analytical sequence controller, potentially triggering unintended valve movements that could cross-contaminate column sample paths.
Diagnostics and Verification
- Visual Inspection: Check for thermal discoloration around the power resistors and driver ICs on the board.
- Field Deployment Safety: Always cross-reference your specific chromatograph system wiring diagrams to confirm parameter matching before using the 802A001B-1 to replace an older revision variant.




