GE IS220PTURH1A Mark VIe Series Primary Turbine Protection Pack
Manufacturer: GE Fanuc
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Part Number: IS220PTURH1/A
Condition：New with Original Package
Product Type: Turbine Protection Modules
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Configured for high-speed turbine speed measurement and overspeed protection logic in Mark VIe turbine control systems, the GE IS220PTURH1A (IS220PTUR Primary Turbine Protection Input Module) provides direct physical/electrical execution. This hardware component processes signals from magnetic pickups or active proximity probes to track tachometer feedback, overspeed detection limits, and zero-speed status conditions. The module interfaces as a distributed I/O pack, mounting directly onto TRPG, TRPS, or TRPL terminal boards to deliver deterministic protection trip command signals across the controller network.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS220PTURH1A |
| Brand | GE |
| Origin | United States |
| Weight | 0.9 kg |
| Dimensions | 20.0 cm x 11.5 cm x 5.7 cm |
| Operating Temp | -40 to +70 deg C |
| Power Consumption | 28 VDC nominal (supplied via Mark VIe I/O backplane) |
| Base Model | IS220PTUR |
| Processor Architecture | Dual-redundant microprocessors |
| Communication Interface | 100 Mbps Ethernet running EGD protocol |
| Input Frequency Range | 0 to 20 kHz |
| Isolation Constraints | Galvanic channel-to-channel and channel-to-system isolation barriers |
| Humidity Limits | 5 to 95% RH, non-condensing |
Industrial Control & Drive Technical Attributes
The IS220PTURH1A relies on firmware flash compatibility metrics with the master Mark VIe rack controller to achieve deterministic timing execution for protection-class inputs. The architecture utilizes 100 Mbps Ethernet communication channels to transfer real-time speed frequency measurements over the control system backplane. Microprocessor execution is coupled with dense internal I/O scaling algorithms that continuously calculate rotor speed differentials to trigger hardwired overspeed trip relays within critical limits, bypassing intermediate network latency layers.
Frequently Asked Questions
Q: Does the IS220PTURH1A support hot-swap replacement while the turbine is online? A: Yes, the module supports hot-swappable I/O pack replacement because it decouples from the field wiring layer. Maintenance personnel can replace the processor pack without disconnecting field wires from the underlying TRPG, TRPS, or TRPL terminal board.
Q: What type of speed sensors can be wired directly to this protection module? A: The input channels support both passive magnetic pickups and active proximity probes, handling raw operational frequency ranges from 0 to 20 kHz.
Q: How do the internal dual-redundant microprocessors handle fault isolation? A: The processors perform continuous self-tests, hardware watchdog verification, and data cross-checking. If a processor mismatch is resolved as a hardware fault, the onboard diagnostic register sets a fault bit and forces the affected channel into a predefined safe status.
Field Installation Guidelines
- Terminal Board Alignment: Mount the pack directly onto the designated TRPG, TRPS, or TRPL terminal board connectors. Ensure all alignment pins match precisely before engaging the mechanical locking screws.
- Shield Termination Grounding: Route sensor wires through separate conduits. Terminate the outer copper shield of the speed pickup cables directly at the terminal board ground bar to avoid signal distortion from ambient electromagnetic noise.
- Cable Strain Relief: Ensure the Ethernet communication cables are clicked into their respective RJ-45 ports with sufficient slack to prevent stress on the internal connector weld points.
- Verification Before Startup: Confirm that the firmware flash revision matches the exact system configuration profile designated in the engineering station before enabling active trip loops.