Dynalco SST-2400H Speed Switch/Transmitter User Manual Page 1

SST-2000 SeriesUniversal Speed Switch & SpeedTransmitterAn Operator’s Guide

OptionsEnclosures XP and NEMA rated enclosures are available.Open Pickup Relay 1 switches in the event of an open or disconnectedmagnetic pickup. Rela

Chapter2Installing the SST-2000A/H

Mounting the unitThe SST-2000A/H is installed using standard hand tools. It is generally mounted in a panel or enclosure using standard practices.Abou

Connecting Signal InputsConnecting a PG-278 PulserConnect signal source Common to terminal 6 on the SST-2000A/H. Connectsignal HI to terminals on the

Chapter3Powering External Devices

Powering an SPD-100, SPD-700, or other frequencyinstrumentsThe SST-2000A/H has a repeater output that can be used to power externalfrequency instrumen

tConfirm the meter is properly connected to the SST-2000A/H. tUse a frequency generator (e.g. F-16) to apply full-scale frequencyto terminal 5 (HI) &a

Powering Zero Velocity Pickups and Other LoadsThe regulated 14 Vdc supply brought out at terminals 11 (+) & 4 (–) has acapacity of 40 mA. This out

Driving an SPV-200 Solenoid Pneumatic ValveThe SPV -200 coil has a resistance of 50 Ω and requires 6 Vdc to trip.Switching the Regulated 14 Vdc Supply

Chapter4Calibrating the Speed Switch

CopyrightSpecifications and information herein are subject to change without notice.Dynalco Controls reserves the right to make changes to the equipme

Locating the programming switch instructions20Chapter 4Fig. 4-8 A full description of theprogramming switches and controlsis located under the top pla

Changing the full-scale input frequency rangeYou can set the standard full-scale frequency range from as low as 0–80 Hz to ashigh as 0–20 kHz.1 Remove

Calibrating the SST-2000A/HYou must calibrate the SST-2000A/H if you have made a change in the full-scale frequency range (changed contacts to DIP swi

23Calibrating the Speed SwitchFreq. Range(in kHz)Switch A ONPositionsFreq. Range(in Hz)0.08 - 0.10 1, 8 80 - 1000.10 - 0.13 2, 8 100 - 1300.13 - 0.17

Calibrating the 4-20 mA Proportional OutputYou must calibrate the speed switch if the standard proportional output of 4 to 20 mA is changed to :t0–5 V

Programming Set Points and RelaysRemove the top plate from the SST-2000A/H to reveal DIP switches B and C. Use DIP switches B and C to program relay s

Set points 3 & 4 and selecting DPDT tripTHE EFFECT OF TURNING B SWITCHES ONTurn on B to...B1 LATCH set point 3 on alarmB2 ACTUATE relay 4 simultan

Adjusting Signal SensitivityDesensitizing Standard InputsSignal sensitivity is factory set to 25 mVrms (about 35 mV peak or 70 mVpeak-to-peak) and sat

Response TimeResponse time is the time required for the proportionaloutputs to change from 10% to 90% of the maximumcalibrated value for an instantane

2 Apply the calculated set point frequency to terminals 5 (HI) &6 (COM). 3 Apply operating power to the SST-2000A/H. See lid of yourSST-2000A/H or

ContentsChapter 1 Getting Started 1About your speed switch ...2Models...

tan RPM indicator/tachometer operating from one of theproportional outputs of the SST-2000A/H:tan independent meter mounted elsewhere on or near the e

Verifying Set Point ValuesYou can view and adjust the set point values without having to run the engine.NOTE: The SST-2000A/H (no set points) does not

Adjusting Set Point ValuesYou will need a 0–1 mA meter for this procedure. If a meter was supplied withthe speed switch, you can use it. Otherwise, yo

IndexCcalibrating, 19, 21 - 23, 25, 27, 29,31commons, 10contact closure, 27CSAClass I, Div.2, Grp. D (Hseries), 4general certification (A series),

Chapter1Getting Started

About your speed switchThe SST-2000A/H series is a speed switch and signal transmitter that providesalarm set points for over- and underspeed control

Physical Dimensions3Getting StartedFig. 1-1 Top and side view of the SST-2000A/H.Dimensions in inches and(centimeters).Special explosion proofhousings

ModelsModelNo. Of Set Points3rd Party Certification(s)A series – standard relaysSST-2000A 0 CSA: general certification LR 92270ABS: type approvalCE: 8

SpecificationsElectricalInput SignalFrequencyRanget 0-20 kHz (standard) (field-adjustable)t 0-0.1 Hz (special order)t 0-80 Hz (special order)t 0-50K H

RelaysLogic Field-programmable by switches for:t overspeed/underspeedt energize/de-energizet latch/auto-resett SPST/DPDT (2 DPDT set points maximum)A