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Woodward 9907-165 Extraction / Admission Steam Turbine Control

Woodward 9907-165
Woodward 9907-165
Woodward 9907-165

Woodward 9907-165 Extraction / Admission Steam Turbine Control

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WOODWARD HARDWARE
9907-165 MicroNet High-Density Discrete I/O Module
Original & In Stock
  KEY SPECIFICATIONS
Discrete I/O Capacity: 32-Channel High-Density Discrete Input/Output Channels for Industrial Automation
Electrical Specs: 24 VDC Operating Range with High-Speed Optical Isolation & Surge Protection
System Architecture: Direct Slot Integration for MicroNet TMR Systems with Hot-Swappable Functionality
551,867 spare parts in stock have been supplied
Choose 128 manufacturers  |  Adequate spare parts inventory
 
— CONTACT US —
Sales manager: Miya zheng
Email: sales@amikon.cn
Phone/WhatsApp: 86-18020776792
 
WOODWARD
505E DIGITAL GOVERNOR
 Overview Technical Application FAQ Models CONTACT
 
 
 
 
 
 
 
WOODWARD
505E DIGITAL GOVERNOR
 STEAM TURBINE CONTROL
 
DIGITAL GOVERNOR
9907-165
 
Extraction / Admission Steam Turbine Control

A 505E digital governor variant designed for steam turbine applications requiring coordinated speed/load control with extraction and/or admission pressure or flow.

POWER INPUT
180–264 Vac
AC power variant
PROCESSOR
32-bit
Microprocessor-based control
COMMUNICATION
Modbus
RS-232 / RS-422 / RS-485
CONTROL
Speed + Process
Extraction / admission
 
 
 
 
 
505E SERIES
 
 
CONTROL PLATFORM
32-bit
Microprocessor-based control
POWER INPUT
180–264 Vac
9907-165 high-voltage AC variant
COMMUNICATION
Modbus
RS-232 / RS-422 / RS-485
CONTROL FOCUS
Speed + Process
Extraction / admission control
 
 
CONTROL ARCHITECTURE

One governor,
multiple turbine variables.

 

The 505E can coordinate turbine speed or load with extraction/admission pressure or flow. Its control structure also supports auxiliary, cascade and limiting functions according to the configured turbine application.
01 / SPEED & LOAD
Stable turbine operation

Speed control receives turbine speed feedback and compares it with the speed setpoint through the speed PID control function.

  
02 / EXTRACTION
Process pressure / flow

The controller can coordinate extraction-related pressure or flow with turbine speed/load requirements.
 
03 / ADMISSION
HP / LP valve interaction

In admission applications, the HP and LP valve relationship is coordinated so turbine speed/load and admission conditions can be maintained together.

  
04 / LIMITING
Protection-oriented control

The platform includes limiter functions, critical-speed avoidance, emergency shutdown and overspeed test functions within the configured control strategy.
ENGINEERING SNAPSHOT

9907-165
at a glance

The exact control configuration should be matched to the installed turbine, actuator arrangement, wiring and programmed operating strategy.
Manufacturer Woodward
Part Number 9907-165
Product Family 505E Digital Governor
Primary Application Extraction / admission steam turbine control
Power Input 180–264 Vac
Processor Platform 32-bit microprocessor-based control
Operator Interface Two-line display and 30-key operator control panel
Communication Two Modbus communication ports; RS-232 / RS-422 / RS-485
Speed Feedback One or two magnetic pickups or proximity probes
Control Functions Speed, extraction/admission, auxiliary, cascade, ratio/limiter and turbine starting functions
 
 
WHERE IT MATTERS

When the turbine stops behaving normally, the governor becomes part of the search.

Typical system position

9907-165 belongs to the 505E control platform used on steam turbines where speed/load must be coordinated with extraction and/or admission pressure or flow.

During troubleshooting, buyers may search for this exact part number when the installed 505E controller is associated with abnormal speed regulation, extraction/admission control behavior, alarm or trip events, communication issues, or a controller replacement requirement.
SEARCH SCENARIO 01
Speed or load instability

If speed feedback, setpoint behavior or the control response becomes abnormal, the governor is one of the control elements that may need verification.
 
SEARCH SCENARIO 02
Extraction / admission deviation

Because the 505E coordinates turbine variables through its configured control logic, abnormal extraction or admission behavior can lead engineers to verify the governor and its associated signals.
 
SEARCH SCENARIO 03
Alarm / trip / communication issue

A control fault can affect turbine availability. A replacement decision should therefore consider the exact part number, power variant, configured application and existing system interfaces rather than model number alone.
CONTROL CAPABILITIES

Designed around turbine behavior, not a single variable
01
Critical Speed Avoidance

Two speed bands can be configured to help the turbine pass through defined critical-speed regions during starting.
02
Automatic Start

The 505E supports automatic start sequencing, including hot- and cold-start strategies according to configuration.
03
Dynamic Control

Dual speed/load dynamics allow control behavior to be adapted to different turbine operating conditions.
04
DCS Connectivity

Two Modbus ports support RS-232, RS-422 or RS-485 communication using ASCII or RTU transmission protocols.
505E FAMILY

Do not match the part number by appearance alone.

The three commonly associated 505E English part numbers use different power-input variants. This distinction matters during replacement because the installed electrical supply must match the selected controller.
MODEL POWER INPUT REPLACEMENT CHECK
9907-165 180–264 Vac High-voltage AC variant
9907-166 88–132 Vac / 90–150 Vdc AC/DC variant
9907-167 18–32 Vdc Low-voltage DC variant
Optional bulkhead-mounted NEMA 4X enclosure: 8923-439.
20 YEARS IN MOTION

Two decades of industrial automation support.

Founded in Hong Kong in 2005, Amikon has grown from a focused industrial automation supplier into a global source for control-system components and automation spare parts.

20 YEARS
Built around experience, inventory access and worldwide customer support.
Amikon team
Amikon warehouse
Amikon customer group
Since 2005
Established in Hong Kong		 Global Reach
Industrial automation customers worldwide		 Broad Inventory
PLC, HMI, DCS, IPC and VFD-related parts		 Focused Support
Model matching and purchasing assistance
PURCHASE CHECKPOINT

Send the five details that speed up quotation matching.

For a 9907-165 quotation, please include the part number together with your quantity, destination, required date and the machine or system where the controller will be installed.

QUOTE REQUEST
Part Number · Quantity · Destination · Required Date · Machine/System
01 Part Number
02 Quantity
03 Destination
04 Required Date
05 Machine / System
DELIVERY
3–5 Days
WARRANTY
12 Months
PACKING
Brand New
DELIVERY WAY
E-packing / FedEx / EMS / TNT / DHL / UPS
PAYMENT
T/T
 
BUYER QUESTIONS

9907-165 FAQ
Why is Woodward 9907-165 important when replacing an existing 505E?

Because 9907-165 is the 180–264 Vac power variant within the 505E family. A replacement decision should verify the installed supply and the complete control configuration instead of assuming that every 505E part number has the same electrical input.
Can Woodward 9907-165 work with a plant DCS?

Yes. The 505E can communicate with plant DCS systems through two Modbus ports supporting RS-232, RS-422 or RS-485, with ASCII or RTU transmission. Hardwired analog connections can also be used for configured setpoint control.
What should buyers verify before ordering Woodward 9907-165 for a turbine shutdown?

Verify the exact part number, power input, installed turbine application, actuator arrangement, field wiring and programmed control strategy. This is especially important where extraction/admission control and valve interaction are part of normal operation.
Why can a Woodward 9907-165 fault become a production problem rather than only a controller problem?

The 505E participates in turbine speed/load regulation and can also control extraction or admission-related variables. A control fault can therefore affect turbine operating stability, process conditions or protective shutdown behavior, increasing downtime risk in a running unit.
How does Woodward 9907-165 differ from 9907-166 and 9907-167 when selecting a same-family replacement?

The principal part-number distinction is the power-input variant: 9907-165 uses 180–264 Vac, 9907-166 uses 88–132 Vac or 90–150 Vdc, and 9907-167 uses 18–32 Vdc. The installed electrical supply must therefore be matched before treating another 505E part number as a replacement.
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KV-MX1 6SE7031-2HG84-1BH0 CSC4T MC1790L802W01 LR-TB5000
6RY1703-0FA01 AMAB-5228 6SE6420-2UC17-5AA1 VS5M-1A-GBT-68-GD 1C31179G02
6SL3120-31-3AA3 ST121UTP 6SE7035-1EJ84-1BH0 ZSE30AF-01-C 2002-1204
C98043-A7125-L100 F39-A01POG-D UAC-01EC2 36C53 6SY7000-0AD15
MC1790L802V01 SS-8-RBT-4RT 6SE7032-6EG84-1BH0 D4BL-K3 E24KN9ZCCM
6RY1803-0GA20 OPS400 25HPS-44-XP 160273 5X00419G02
6SE7033-5WJ84-1BH0 TS500R C98043-A7120-L1 KJ3002X1-BA1 BB-UH104
6SE7036-0TK84-1BH0 ISD280-1112 6SL3120-1TE28-5AA3 6SE7028-2HF84-1BH0 6SE7035-1EJ84-1BH0
 
 
READY TO CHECK 9907-165?

Send the model.
We will handle the next step.

Include Part Number, Quantity, Destination, Required Date and Machine/System so the quotation can be matched efficiently.
EMAILsales@amikon.cn
PHONE / WHATSAPP86-18020776792
SALES MANAGER
Miya zheng
AFTER DELIVERY

Return & replacement
Please contact us within 7 days after receiving the items if any issue needs attention.
Returned items should remain in their original condition and include the specific reason for the return.
After the returned item is received and reviewed, an appropriate return or replacement arrangement will be issued.
Shipping costs generated by the return are the responsibility of the buyer.
WOODWARD 9907-165
Keep the turbine control path moving.
505E Digital Governor · 180–264 Vac · Extraction / Admission Control
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Woodward 9907-165 · 505E Digital Governor Amikon Industrial Automation Parts
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