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Phone: +86 16626708626Description
In turbine control racks humming under the strain of constant synchronization and fault monitoring, highway communication stability ensures that core processors, relay boards, and field interfaces stay locked in step without data stalls or desyncs. Maintenance teams deploy the GE DS3815PABA1E1A as a slave highway daughter board in GE Mark IV systems, linking peripheral modules to the main data bus so commands flow seamlessly during startups, load shifts, or protective scrams. From industrial gas turbines in remote compressor stations to utility steam units chasing grid dispatch, this board keeps the control network alive, preventing isolated failures from rippling into full-unit trips
The GE DS3815PABA1E1A fits right into high-availability setups like cogeneration plants or offshore platforms, where it expands bus capacity for additional I/O or sequencer cards without bottlenecking the <C> core. Retrofit experts swap it in during brief outages to revive legacy Speedtronic highways, matching original timings and protocols to dodge logic rewrites. In enclosures battered by heat and EMI, it shuttles status packets and setpoints reliably, underpinning everything from fuel scheduling to vibration alarms in power generation automation.
Product Introduction & Positioning
The GE DS3815PABA1E1A operates as a slave highway daughter board in GE’s DS3800/DS3815 ecosystem, plugging onto main control cards to extend the Mark IV data highway for multiprocessing and redundancy. It handles packet routing, error checking, and buffering between master controllers and slave nodes like relays or analog handlers, ensuring sub-millisecond latency in voter schemes.
Stacked atop host boards in the card cage, the GE DS3815PABA1E1A uses ribbon cables and edge pins for daisy-chained connectivity, configurable via DIPs for baud rates or addressing that suit frame sizes from single-shaft to multi-unit plants. Integrators lean on it for scaling legacy racks without bus upgrades, preserving HMI screens and sequence files intact.
This positions the GE DS3815PABA1E1A as a quiet enabler of fault-tolerant architectures, mirroring traffic across redundant paths to mask link faults seamlessly.
- DS3815PABA1E1A
Key Technical Features & Functional Benefits
The GE DS3815PABA1E1A masters CRC-checked serial transfers at 9600-38400 bps, retransmitting corrupted frames automatically to keep turbine sequences glitch-free amid arc noise or ground shifts. Parity and timeout logic isolates bad slaves, routing around them via host fallbacks.
Built tough for rack depths, the GE DS3815PABA1E1A employs shielded traces and opto barriers enduring 10g shocks, 70°C peaks, and dust ingress, with socketed PROMs for field firmware swaps. Diagnostic LEDs blink traffic health, easing hot-swap verifies.
Pin-compatible with the GE DS3815PABA1E1A host family, it scales to 16-32 nodes per segment, jumperable for half/full duplex in looped topologies that dodge single-link kills
Solid-state drivers and low-power CMOS target 50,000+ hour life, with self-resets clearing latched errors post-brownout.
Detailed Technical Specifications
| Parameter | Value |
|---|---|
| Model | GE DS3815PABA1E1A |
| Brand | General Electric (GE) |
| Type | Slave highway daughter board |
| Communication Protocol | Serial data highway, RS-422/485 |
| Data Rate | 9600 to 38400 bps selectable |
| Power Supply | +5V/±12V from host card |
| Operating Temperature | -20 to 70 degrees Celsius |
| Mounting | Daughter board on Mark IV main card |
| Dimensions | Compact overlay, approx. 100 x 150 x 20 mm |
| Weight | Approximately 0.2 kg |
| Nodes Supported | Up to 32 slaves per segment |
| Interfaces | Ribbon cable bus, edge connector |
| Certifications | Industrial control standards |
| Cooling | Host card convection |
| Environmental Rating | Coated for turbine rack environments |
| Error Detection | CRC, parity, timeouts |
| Firmware | Socketed EPROM upgradable |
Related Modules or Compatible Units
GE DS3800NTRB1C1B – Relay board slaved via GE DS3815PABA1E1A highway for trip distribution.
GE DS3800NRFA1D1C – Analog node polling through GE DS3815PABA1E1A for process data sync.
GE DS3800NPSE1C1B – Power source with status fed over GE DS3815PABA1E1A bus links.
GE DS3800NMEA1HEF – Excitation slave commanded by GE DS3815PABA1E1A master traffic.
GE IS200EPCH1A – Mark VI highway upgrade bridging from GE DS3815PABA1E1A setups.
GE DS3800HMPA – Protection aggregator highway-connected via GE DS3815PABA1E1A.
GE DS3815PAB – Base board hosting the GE DS3815PABA1E1A daughter for expansion
Installation Notes & Maintenance Best Practices
Seat the GE DS3815PABA1E1A firmly on host pins after static discharge, aligning ribbon cables per segment maps—twisted pairs curb crosstalk. Pre-rack, scope bus for clean eyes and verify addresses clash-free with a loopback tool, powering sequenced to dodge inrush spikes.
Semi-annually probe cable continuity and PROM checksums; swap cables if attenuation exceeds 3dB. Firmware bumps during majors restore lost features—refurbs test full node chains.
