美国德纳科Dynalco SW-200B Speed Switch速度开关

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SW-200B Data Sheet
SW-200B Manual Product Code: SW-200B

SW-200B提供可靠的发动机超速保护。它有三个可调继电器设定点：超速。用于两个辅助设备包括曲柄断开，发电机磁场闪烁，和速度监测。设定值是现场可编程的，可以在不超速的情况下进行测试。外壳用垫圈密封。
The SW-200B provides reliable engine overspeed protection. It has three adjustable relay setpoints: number one is overspeed. Uses for the two auxiliaries include crank disconnect, generator field-flashing, and speed monitoring. Setpoints are field-programmable and can be tested without overspeeding. Housing is gasketed and sealed.

SW-200B
Speed Switch

sw-200btm速度开关提供三个

发动机可调继电器设定点

超速保护，曲柄断开，

发电机磁场闪烁和速度

全现场编程监控

能力。
The SW-200BTM Speed Switch provides three
adjustable relay set points for engine
overspeed protection, crank disconnect,
generator field flashing, and speed
monitoring with full field-programming
capability.

FEATURES
- Inputs: Senses signal frequency from magnetic
pickup or AC signal generator.
- Outputs: Three relays (speed setpoints) and
one 0-1 mA proportional DC output.
- Field-programmable: Four DIP switches provide
a variety of frequency input and overspeed
relay logic configurations. Also three trim
potentiometers to adjust setpoint range, and
one potentiometer to adjust the proportional
output.
- Circuit: High-reliability. Virtually immune to
electrical and RFI noise.
- Test/Verify: Permits testing without overspeeding.
- Case: Sealed and gasketed.
SPECIFICATIONS
Environment
- Temperature: (storage & operation)
–40oF to +185oF (–40oC to +85oC).
- Vibration:
- MIL STD 810C, Method 514.2, Curve P,
Procedure V.
- MIL STD 202F, Method 201A (10-55 Hz,
continues displacement of 0.06 in. P-P).
- Screws on all access holes are predrilled
for safety wire.
- Humidity: SAE J1211, paragraph 4.2.3., figure
3A; 95% relative humidity at +150oF (+66oC).
- Dust: MIL STD 810C, Method 510.1, Procedure 1,
Steps 1,4,5,6. (175 ft/min velocity: 0.3 g/ft3 density;
<176 M average particle size).
- Sealing: Can open and reseal case without
damaging watertight integrity. O-ring sealed
access holes for setpoint and proportional output
adjustments. Case complies with NEMA Standard
250, Types 3, 4, 12, and 13.
- Moisture protection: Component board entirely
dip-coated with moisture repellent sealant.
Functional
Power: 9–40 Vdc, 300 mA maximum.
Withstands:
- 800 volts peak reverse voltage.
- 80 volts peak forward voltage, 0.1
second maximum duration.
- 350 volts peak forward voltage, 1 milli-second
maximum duration.
Standard signal frequency ranges: 0–11,200, 0–
5,000, 0–1,000Hz. Field-selectable using built-in DIP
switches.
Input Signal:
- Minimum signal requirement: 50 mVrms
at frequencies below 1 kHz; 0.4 Vrms at 11
kHz.
- Maximum signal: 70 Vrms.
- Minimum input resistance: 10 kW.

SPECIFICATIONS

NOTE
􀂄 Relays 1 & 2 can be configured as: both
Normally Open (NO): both Normally Closed
(NC); or one NC, one NO.
􀂄 Overspeed relay can be configured as
normally deenergized (energizes on overspeed).
CONTACT RATINGS
- 12 Vdc: 10.0 A, resistive load;
8.0 A, inductive load.
- 24 Vdc: 5.0 A, resistive load;
4.0 A, inductive load.
- 120 Vac: 0.8 A, resistive or inductive load.
SETPOINTS
Resetting: Integral reset push-button switch or by
momentary removal and reapplication of power.
Hysteresis (Nominal): 3% for all relays.
Setpoint adjustment range: 3–100% of full-scale
frequency range with integral 25-turn trim
potentiometer for each relay.
Stability of Setpoints
- Signal amplitude effect: 0.1% maximum
from 0.4–100 Vrms.
- Power Source Effect: 0.1% of setpoint
maximum with 25% fluctuation of power source.
- Temperature Effect: 2.5% of selected
frequency range maximum over operating range.
Response Time: 50 milliseconds, maximum,
any setpoint.
TEST/VERIFY
Pressing the integral Overspeed Test push button
lowers the overspeed setpoint to 60% ±3% of its
original value to permit verifying the integrity of the
alarm circuitry without overspeeding the engine.
WEIGHT
2 lbs (0.9 kg)
NOTE
RPM/Frequency Conversion:
Frequency may be calculated by multiplying the
engine speed in RPM by the number of holes or teeth
on the gear/flywheel being sensed, and then dividing
by 60.
Grounding, phasing, referencing:
All circuits are isolated from earth ground. The input
circuit is referenced to the negative side of the battery
so that the magnetic pickup can be paralleled with
electric governors and other devices similarly
constructed.
Signal cable shield can be grounded to the negative
side of the battery.
DC Power application: At standstill or speeds
below setpoints, applying dc power causes no flicker
or change in the normally deenergized relays 1 and 2.
Tach Output: 0–1 mAdc proportional output for
speed drives, speed indicators, recorders,
programmers, etc.
Field-adjustable to 1 mA full-scale for any frequency
between 25% and 100% of the selected full-scale
frequency range.
- Linearity: 1.5% of selected frequency range.
- Temperature Effect: 1.5% of selected
frequency range over the operating range.
- Signal Amplitude: 0.25% of selected frequency
range.
RELAYS
Comments are for the SW-200B at stand still (poweredup,
zero speed, no alarms).
TYPICAL USAGE
- Standard: One SPDT: Overspeed
Two SPST: Relays 1 & 2
- Option: Relays 1 & 2 can be replaced by a
single SPDT relay.
Typical Usage
- Overspeed Relay: Energized. De-energizes
and latches on overspeed or power loss.
- Relay 1: Deenergized. Energizes non-latched
on alarm. Typically used for crank disconnect.
- Relay 2: Deenergized. Energizes non-latched
on alarm. Typically used for generator field
flashing.


美国德纳科Dynalco控制仪表公司简介

美国德纳科Dynalco公司设计和制造高度工程坚固，可靠的，第三方的监测，控制和往复式发动机，蒸汽涡轮机，燃气涡轮机，泵和输送系统的保护认证仪表。我们为一个在石油和天然气，化工/过程，建筑业及越野设备，交通运输，发电，船舶，采矿，水和废水市场的客户和工厂自动化等。Dynalco designs and manufactures highly engineered rugged, reliable, 3rd party certified instumentation for monitoring, control and protection of reciprocating engines, steam turbines, gas turbines, pumps and conveying systems. We serve a variety of customers in the Oil and Gas, Chemical/Process, Contruction and off-road equipment, Transportation, Power Generation, Marine, Mining, Water and Waste Water and Factory Automation Markets. 

Dynalco 1968年创立，有三种产品，以及为石油和天然气工业生产工程解决方案的目标。自那以后的47年里，Dynalco已经成为世界范围内的工业领袖，因其在石油和天然气、化学、电力、海洋和建筑行业使用的高质量的仪器和控制而得到认可。Dynalco was started in 1968, with three products and a goal of producing engineered solutions for the oil and gas industries. In the 47 years since, Dynalco has become a worldwide industry leader, recognized for its high-quality instruments and controls used in the oil & gas, chemical, power, marine and construction industries.

 

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CRT-9x - Replacement Tachometers;The CRT-9X replaces Caterpillar tachometers: CAT-9X114, CAT-9X116, and CAT-9X117. SPD-100 ; SPD-100L ; SPD-108 ; SPD-108L; MTH-103D; F-16; DS-800; DS-900; SPD-700; SPD-708; LST-100; LST-100L; LST-108; LST-100; LST-108L; DST-2000C; PG-100; TT-1; TT-100；DPM-105，LMD-120A，LMD-120，LMD-120D，G-101。

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M104; M202; M208，M101 ，M102 ，M131，M133 ，M142 ，M151 ，M155 ，M168 ，M183 ，M184，M189 ，M343 ，M801 ，M802 ，M928 ，M137 ，M138 ，M143 ，M104，M134 ，M135 ，M139， M140，M180 Magnetic Pickup/Speed Sensor ，M201 ，M202 ，M203 ，M204 Magnetic Pickup Speed Sensor，M205 ，M219 ，M231 ，M233，M318 ，M319 Magnetic Pickup/Speed Sensor，M107 ，M207 ，M208 ，C101-10 ，C910-10 ，C917-10 ，HTM-801； M806 Hall Effect Magnetic Pickup/Speed Sensor ; M951 Hall Effect Magnetic Pickup/Speed Sensor 。 Dynalco temperature indicator温度指示仪型号:TMP-100 ; STM-110-11；STM-110-13 ; STM-110-14 ; TID-110; TMP-900。