- Product details
- Specifications
- Recommand
- Service & Policy
PRODUCT PROFILE
PROTECH 203
WOODWARD
9907-147
Overspeed Protection System
Product role
A triple-channel protection unit that monitors prime-mover speed and initiates a fail-safe trip on overspeed.
Installed-system context
Trip setpoints, magnetic-pickup wiring and two-out-of-three voting tests must match the protected machine.
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TECHNICAL PLANNING
FIRMWARE / CONFIGURATION
Firmware & Updates
Preserve the installed ProTech configuration and trip records before service. Revision identity must remain compatible across all three protection channels.
After replacement, perform documented proof testing and confirm display, channel diagnostics and trip relay behavior before release.
Configuration & Programming
Program each independent channel for the approved trip point, sensor frequency range and de-energize-to-trip philosophy.
Verify two-out-of-three voting, magnetic-pickup polarity and machine shutdown wiring with controlled simulation procedures.
Specific technical data
SPEED INPUTS
3 magnetic pickups
FREQUENCY RANGE
100Hz–32kHz
TRIP RESPONSE
40ms maximum
OPERATING RANGE
-25°C to +60°C
BRAND & APPLICATIONS
BALANCED FIELD VIEW
Brand characteristics
Platform continuity
Woodward hardware supports lifecycle service in installed ProTech 203 systems.
Revision control
Part numbers and hardware revisions define the installed configuration.
Service access
Front-panel identity and plug-in construction support maintenance work.
System fit
Electrical and mechanical interfaces remain matched to the host platform.
Lifecycle value
Like-for-like spares help sustain long-life industrial control assets.
Application fields
Steam turbines
Independent overspeed shutdown for generation equipment.
Gas turbines
Redundant speed protection for combustion turbine trains.
Compressors
Trip protection for high-speed process compression assets.
Prime movers
Fail-safe monitoring of engines and mechanical drives.
Proof testing
Periodic channel and voting-logic verification during outages.
Product references
ABB
PM861AK01
PM864AK01
AI810
AO810
DI810
DO810
CI854A
CI867K01
TU810V1
TU830V1
TB840A
SD831
SD832
AI835A
AO845A
DI840
DO840
PM866K01
CI851K01
FI810F
Kurz Instruments
454FTB
454FT
454P
504FTB
504FT
534FTB
534FT
544FT
2440
1550
MD2
MD2-Lite
MFT-B
MFT-S
MFT-E
K-BAR
Series155
Series454
Series504
Series534
SERVICE & POLICY
QUOTATION SUPPORT
Quote
IDENTIFY
Provide the complete 9907-147 reference, clear nameplate and connector photos, the installed ProTech 203 system reference and required quantity.
VERIFY
Confirm the host system, mating hardware, field wiring, operating conditions and current configuration before replacement.
QUOTE & DELIVERY
State the delivery destination, required date and preferred transport method. Availability, condition, warranty, lead time, protective packing and shipping terms will be checked before quotation.
Disclaimer
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