Woodward 8271-652 Price Discount | In Stock
1.8271-652 Product Overview
The Woodward 8271-652 belongs to the 505/505E series digital turbine controllers. It is a microprocessor-based control module designed for single-valve steam turbines,
including single extraction/admission systems or split-range actuator configurations.
The controller features a front panel Operator Control Panel (OCP) with a two-line, 24-character display and multi-function keypad, allowing easy on-site configuration and monitoring.
2. 8271-652 Technical Specifications and Parameters
| Parameter | Details |
|---|---|
| Power Supply | +24 VDC, approx. 1 A |
| I/O Outputs | Discrete Outputs: 8 Analog Outputs: 6 Actuator Outputs: 2 |
| Display / HMI | Two-line, 24-character LCD, with multi-function keypad |
| Dimensions | Approx. 14 × 11 × 4 in (35.6 × 27.9 × 10.2 cm) |
| Weight | Approx. 9.11 lbs (4.13 kg) |
| Operating Temperature | –4 to +140 °F (–20 to +60 °C) |
| Storage Temperature | –40 to +185 °F (–40 to +85 °C) |
| Humidity Standard | 95% RH at 20-55 °C for 48 hours without damage |
| Protection Class | Typically meets industrial dust and water protection standards |
| Communication Protocol | Supports Modbus, RS-232 / RS-422 serial interfaces |
3. Brand History
Woodward, Inc., founded in 1870 and headquartered in Fort Collins, Colorado, USA, is a global leader in energy control systems. The company has a long history of innovation in turbine control, engine management,
and power generation systems.
Woodward products are widely recognized for their reliability and precision in demanding industrial and power generation applications.
4. Applications in Industrial Automation
The 8271-652 plays a critical role in industrial automation and power generation environments:
- Steam Turbine Control: Manages startup, speed regulation, and extraction/admission control of steam turbines.
- Power Generation Systems: Used in power plants to regulate turbine-driven generators for stable frequency and load management.
- Compressor and Pump Drive Control: Ensures precise speed control for turbine-driven compressors and pumps.
- Process Industry Applications: Applied in chemical plants, refineries, and other industries requiring precise turbine operation.
- Safety and Protection Functions: Includes overspeed protection, critical speed avoidance, actuator travel limits, and event logging for operational safety.
Access control controller parameters
The commonly used communication methods for access control controllers include RS232, RS485, and TCP/IP.
The access control controller that uses RS485 for communication is the RS485 access control controller. RS485 access
control controller is a type of access control that can communicate with computers and can be directly managed using software,
including card and event control. So it has convenient management, centralized control, the ability to view records, and the
ability to analyze and process records for other purposes. The characteristic is that the price is relatively high and the installation
and maintenance difficulty is increased, but the training is simple and value-added services such as attendance can be provided.
Suitable for projects with a large number of people, high mobility,
and multiple doors.
Basic functions of access control controller
It is possible to set access management permissions for 20000 personnel. You can set who can enter which doors.
It can monitor the opening and closing status of all doors and the entry and exit status of personnel,
and display the personnel information of relevant card holders.
It is convenient to report lost cards.
All entry and exit records can be queried and printed.
It is convenient to conduct attendance statistics, statistics, and print detailed attendance reports and statistical reports
through access control records. And it can also set the working hours, clock in frequency, leave requests, holidays and National Day
holidays, overtime hours range, forgotten clock in and sign in, etc.
It can be used offline, that is, software or computer can be accessed normally without turning on, and the entry and exit situation
can be recorded. Even if there is a power outage, data will not be lost.
You can set the valid usage date and time period for the card.
The system clock can be calibrated online. It can store 20000 accessible permissions and 100000 accessible records offline.
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