中文版
Description
Technical Specifications for 9907-149
9907-149 ProTech 203 Electronic Overspeed Trip Device from Woodward that senses prime mover speed through three magnetic pickups (MPUs).
| Dimensions | W19in x H12.244in x D5.62in |
| Features | Hot Replacement |
| Input Voltage | 120 Vac/dc |
| Keypad/Display | 1 display and keypad per module |
| Manual | 85204 |
| Model | De-energize-to-Trip |
| Operating Temperature | –13 to +140 °F |
| Standards | NEMA 4/4x, IP54 |
| Weight | Less than 17 lbs |
ProTech model 9907-149 is a 120 Vac/dc device. There is a separate power supply for each of the three speed-sensing units in this system. This is part of the modular design of this Woodward overspeed protection device that enables such features as hot replacement of an individual unit and testing of individual units without taking the prime mover offline.
Speed-sensing units A, B, and C in model 9907-149 are identical. On top of having separate power supplies, the units also have separate operator interfaces and alarm systems. The three units are configured for a two-out-of-three voting method. Prior to this hardware vote, the three units act independently, monitoring prime mover speed with magnetic pickups (MPUs) and individually performing speed calculations.
The three units that make up ProTech model 9907-149 must be programmed with identical trip points. PROGRAM mode is access with a key switch that is connected to all three units. Due to the modular design of this Woodward system, units are programmed separately.
Tunable parameters are set when the units are in PROGRAM mode. These parameters are:
- Trip Speed Set Point (250 rpm to 25,000 rpm)
- MPU Gear Teeth (20 to 120)
- MPU Failed Timeout (1 sec to 533 min 20 sec)
- MPU Failed Set Point (100 rpm to 25,000 rpm)
- Trip on MPU Failure
- Timer Starts on Reset
- Alarm If Speed Is < MPU Failed Set Point
These parameters, along with Present Speed, Peak Speed, Lamp Test, and Trip Cause, can all be viewed on the unit operator interface while the unit is in MONITOR mode. Present Speed is the default first parameter displayed.
9907-149
[service contact information]
Tel: 18059884797 (WeChat with the same number)
QQ：3095989363
Email: sales@xiongbagk.cn
Address: Unit 2009, Chuangxiang Center, No.1733, Lvling Road, Siming District, Xiamen
① 24-hour email reply (12 hours);
③ For shipment to countries outside Asia, please contact the seller.
+++Please read the Terms & Condition before purchase+++
ACCESSORIES – Accessories, manuals, cable and etc that are not in the picture listing or mention, it is NOT INCLUDED.
INTERNATIONAL BUYER – Import duties, taxes and brokerage charges are not included in the item price or shipping cost. These charges are the buyer’s responsibility. Please check with your country’s customs office to determine what these additional costs will be prior to bidding or buying
WARRANTY – Our warranty is valid for 30 days after initial receipt of item.
SHIPPING SERVICE – Item will be dispatch within a days after receipt payment confirmation, please provided a valid contact number in the shipping address to facilitate the shipping.
RETURN POLICY – For item condition not as described, defective. Please report to us for replacement or refund within 14 days of receipt. -All Returns must be in original condition and include all shipped accessories. All used programable items have program installed, We will not accept return if you cannot factory reset or format or delete the program.
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Please contact Sunny sales@xiongbagk.cn for the best price.
➱ sales manager: Sunny
➱ email mailto: sales@xiongbagk.cn
➱ Skype/WeChat: 18059884797
➱ phone/Whatsapp: + 86 18059884797
➱ QQ: 3095989363
➱ Website:www.sauldcs.com
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