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Contents

Chapter 1

Getting Started

About your speed switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Models. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Chapter 2

Installing the SST-2000A/H

Mounting the unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

About Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Connecting Signal Inputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Chapter 3

Powering External Devices

Powering an SPD-100, SPD-700, or other frequency instruments . . . . . . . . 14

Using DPM-105 meters as external speed indicators . . . . . . . . . . . . . . . . . . 14

Powering Zero Velocity Pickups and Other Loads . . . . . . . . . . . . . . . . . . . 16

Driving an SPV-200 Solenoid Pneumatic Valve . . . . . . . . . . . . . . . . . . . . . 17

Chapter 4

Calibrating the Speed Switch

Locating the programming switch instructions . . . . . . . . . . . . . . . . . . . . . . 20

Changing the full-scale input frequency range . . . . . . . . . . . . . . . . . . . . . . . 21

Input frequency range

less than

80 Hz full-scale . . . . . . . . . . . . . . . . . . . . . . 21

Input frequency range

greater than

20,000 Hz full-scale . . . . . . . . . . . . . . . . 21

Calibrating the SST-2000A/H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Calibrating the 4-20 mA Proportional Output . . . . . . . . . . . . . . . . . . . . . . . 24

Programming Set Points and Relays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Adjusting Signal Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Response Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Adjusting Individual Set Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Verifying Set Point Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Adjusting Set Point Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

iii

Содержание SST-2200A

Страница 1: ... Speed Transmitter Installation and Operation Manual Rev C P N 145F 11761 PCO 00010383 c Copyright 2016 Barksdale Inc All Rights Reserved Published Oct 20 2016 中国授权代理商信德迈科技北京有限公司北京朝阳区望京ＳＯＨＯＴ１Ｃ座２１１５室Ｐｈｏｎｅ０１０８４２８３９５Ｅｍａｉｌｓａｌｅｓｃｎｍｅｃｂｉｚ网站ｈｔｔｐｗｗｗｃｎｍｅｃｂｉｚｄｙｎａｌｃｏｈｔｍ ...

Страница 2: ...s and CSA certificates are available at www dynalco com Follow all warnings cautions and instructions marked on and supplied with the product Use only qualified personnel to install operate program and maintain the product Educate your personnel in the proper installation operation and maintenance of the product Install equipment as specified in the installation section of this manual Follow appro...

Страница 3: ...ocity Pickups and Other Loads 16 Driving an SPV 200 Solenoid Pneumatic Valve 17 Chapter 4 Calibrating the Speed Switch 19 Locating the programming switch instructions 20 Changing the full scale input frequency range 21 Input frequency range less than 80 Hz full scale 21 Input frequency range greater than 20 000 Hz full scale 21 Calibrating the SST 2000A H 22 Calibrating the 4 20 mA Proportional Ou...

Страница 4: ...Chapter 1 Getting Started ...

Страница 5: ...to 0 50 000 Hz Standard 0 80 Hz to 0 20 000 Hz Examples of input devices include t passive or active magnetic pickups t shaft encoders t contact closures t flow meters t photocells The speed switch converts frequency input speed rate into linear proportional dc outputs t 0 1 mA standard meter out t 4 20 mA standard proportional out t 0 5 Vdc switch selectable t 0 10 Vdc switch selectable It provid...

Страница 6: ...NSIONS IN INCHES CM Physical Dimensions Getting Started 3 Fig 1 1 Top and side views of the SST 2000A H Dimensions in inches and centimeters Special explosion proof housings kits complete with mounting hardware are also available See XP rated housings on page 6 ...

Страница 7: ...eld adjustable range and sensitivity control Alarm Set Points 0 SST 2000A H when only proportional output is required 2 SST 2200A H 4 SST 2400A H Alarm Settings Alarms are field configurable for overspeed underspeed energize de energize latch auto reset Alarm Disable Disable all alarms for startup conditions and special functions Alarm Reset t Momentarily reset all latched alarms t Permanently con...

Страница 8: ...electable for external load resistance of 20 kΩ or higher t Custom ranges available MAXIMUM LOAD t 1 kΩ with 115 220 Vac or 30 Vdc power t 750 ohms with 22 Vdc power t linear between 22 and 30 Vdc Output Current Independent of load resistance up to the rated load resistance Span zero adj 5 minimum of fuIl scale Auxiliary Meter Output Proportional 0 1 mAdc filtered for meter or recorder loads up to...

Страница 9: ... DPDT trips Alarm Set Points t Adjustable 25 turn cermet potentiometers Hysteresis t 1 of full scale frequency Isolation Transformer t Optional Isolates the transmitter input from the probe or sensor XP Rated Housings optional ENC 6210 XP Cast Housing 8 H x 10 W x 5 D 100 s window P button UL CSA Class I Groups C D Class II Groups E F G NEMA 3 4 ENC 6311 XP Cast Housing 8 H x 10 W x 5 D 100 s wind...

Страница 10: ...rspeed optional Underspeed Class C Logic Arms relay 2 as set point 2 is traversed on increasing speed Pulses relay 2 as set point 2 is traversed on decreasing speed Use for tripping the pneumatic SPV 200 on underspeed or for general underspeed electrical shutdown Expanded Scale Input Provides full meter output full proportional output and full set point range over a limited input range e g 0 1 mA ...

Страница 11: ...Chapter 2 Installing the SST 2000A H ...

Страница 12: ...riven by the transmitter i e recorder controller etc must have the same common as the negative side of the dc supply Install a current loop isolator between the 4 20mA output and the load if the load does not reference the same common as the SST 2000 10 Chapter 2 Install a current loop isolator between the 4 20mA output and the load if the load does not reference the same common as the SST 2000A H...

Страница 13: ...al source Common to terminal 6 on the SST 2000A H Connect signal HI to terminals on the SST 2000A H Terminals 11 and 30 on the SST 2000A H are jumpered to create a one volt threshold 11 Installing the SST 2000A H Fig 2 2 Connecting a PG 278 Pulser to the SST 2000A H ...

Страница 14: ...Chapter 3 Powering External Devices ...

Страница 15: ...ing applied at the signal input terminals 5 6 This output has an internal resistance of 1 kΩ Using DPM 105 meters as external speed indicators You can use the DPM 105 as an external indicator You can connect one or more DPM 105 meters to your SST 2000A H The 0 1 mA meter output of the SST 2000A H terminals 7 and 8 is factory calibrated into an external load of 40 Ω The load resistance of the DPM 1...

Страница 16: ...Connecting more than one DPM 105 1 Remove the jumper across terminals 1 and 2 on each DPM 105 2 Connect the meters as shown in Fig 3 4 3 Calibrate the SST 2000A H t Confirm the meter is properly connected to the SST 2000A H t Apply full scale frequency to terminal5 HI 6 COM on the SST 2000A H Maximum signal input is 50 Vrms for a standard unit t Adjust the METERCALIBRATEpotentiometeronthe SST 2000...

Страница 17: ...nd digital indicators like a DPM 105 1 Connect the M928 pickup as indicated inFig 3 5 2 Jumper terminals 11 and 30 to desensitize the input signal to a 1 0 V threshold 3 Adjust signal sensitivity if necessary See page 27 for instructions on how to adjust input sensitivity 16 Chapter 3 Fig 3 5 Jumper terminals 11 and 30 to desensitize the input signal circuit to a one volt threshold ...

Страница 18: ...fers for only 100 milliseconds on overspeed the 14 volt supply can then be used with a series limiting resistor to power the pneumatic trip Use a watt 47 50 Ω resistor in series with the 14 volt supply Switching 28 Vdc When switching 28 Vdc into the coil use a 5 10 watt 180 Ω resistor in series with the SPV 200 coil 17 Powering External Devices Fig 3 6 Switching the regulated 14 Vdc supply Fig 3 7...

Страница 19: ...Chapter 4 Calibrating the Speed Switch ...

Страница 20: ...or no 2 Phillips screwdriver to remove the top plate of the switch 2 The underside of the plate contains instructions for how to t latch set point relays on alarm t actuate relays on overspeed t actuate 2 relays simultaneously as DPDT relay t de energize relays on alarm t change proportional output to 0 5 Vdc or 0 10 Vdc t recalibrate the full scale input frequency range switch A settings ...

Страница 21: ...g the SST 2000A H to accept input frequencies less than 0 80 Hz full scale is not recommended Damage might result that could void the product warranty Please contact the Dynalco Customer Service Department at 954 739 4300 for guidance in arranging for a low input frequency range Input frequency range greater than 20 000 Hz full scale The full scale frequency input range is usually set up at the fa...

Страница 22: ...normally connected to terminals 7 8 Observe polarity 22 Chapter 4 Calibrate the speed switch immediately after any contact change in Switch A before adjusting set points or proportional output WARNING S P 2 S P 1 FREQ RANGE TRIM METER CAL FREQUENCY RANGE SWITCH SIGNAL SENSITIVITY AFTER SETTING RANGE SWITCH A TRIM FOR 10 0V AT OPEN TERMINA LS 8 7 AT FULL SCALE FREQUENCY MAX 1 8 08 1 4 8 17 22 7 8 3...

Страница 23: ... 0 63 0 83 1 4 7 8 630 830 0 83 1 09 1 2 3 5 6 8 830 1 090 0 86 1 12 1 860 1 120 1 10 1 40 2 1 100 1 400 1 40 1 90 3 1 400 1 900 1 90 2 50 4 1 900 2 500 2 50 3 20 5 2 500 3 200 3 20 4 20 6 3 200 4 200 4 20 5 50 7 4 200 5 500 5 30 6 90 7 2 5 300 6 900 6 90 9 10 1 4 7 6 900 9 100 9 10 12 0 1 2 3 5 6 9 100 12 000 12 0 15 5 2 3 4 6 7 12 000 15 500 15 1 20 0 1 2 3 4 5 6 7 15 100 20 000 Table 4 1 Table ...

Страница 24: ... Turn PROP OUT SPAN adjust potentiometer See example below to yield 100 of full scale proportional output on the voltmeter 6 Repeat steps 2 3 4 and 5 three or four times to assure accuracy 24 Chapter 4 Fig 4 10 The PROP OUT ZERO and PROP OUT SPAN adjustments are located in the upper right corner under the top plate of the SST 2000A H EXAMPLE A unit calibrated for 0 500 Hz input is being recalibrat...

Страница 25: ...he underside of the top plate contains labels for each DIP switch setting Resetting a latched relay To momentarily reset a latched relay jumper terminals 32 and 7 25 Calibrating the Speed Switch Fig 4 11 The DIP switch settings available to you depend on the model of speed switch you purchased t SST 2400A H series switches have four set point relay adjustments DIP switches B and C t SST 2200A H se...

Страница 26: ...ional output to 0 5 Vdc Confirm C2 is OFF C2 Changes proportional output to 0 10 Vdc Confirm C1 is OFF C3 DE ENERGIZE relay 2 on alarm C4 ACTUATE relay 1 on overspeed non latch C5 LATCH relay 1 on alarm C6 LATCH relay 2 on alarm C7 ACTUATE relay 2 on overspeed non latch C8 DE ENERGIZE relay 1 on alarm Requires recalibration 26 Chapter 4 EXAMPLE To change the proportional output to 0 10 Vdc and set...

Страница 27: ...tivity is approximately 5 mVrms To lower sensitivity Turn the SIGNAL SENSITIVITY potentiometer counterclockwise At full counterclockwise rotation the sensitivity is approximately 100 mVrms Desensitizing Contact Closure Jumper terminals 30 and 11 to desensitize the unit to about 1 Vrms Signal Sensitivity pot setting does not affect this procedure 27 Calibrating the Speed Switch Fig 4 12 The signal ...

Страница 28: ...ery thin bladed screwdriver or a transformer alignment tool signal generator Dynalco s F 16 or equivalent 3 Provide a signal source Use an F 16 signal generator or similar zero crossing signal source or use the frequency signal generated by the magnetic pickup on the engine 4 Apply a frequency signal to terminals 5 6 This frequency input should equal the target RPM value of the set point being adj...

Страница 29: ...tment t After the relay trips slowly REVERSE the adjustment of the set point pot until the relay again trips t Again slowly turn the pot FORWARD until the relay trips 9 Reattach the wires to terminals 5 HI 6 COM Observe polarity 10 Repeat the above procedure for other set points to be changed Alternate Method 2 Adjusting Individual Set Points While The Engine Is Operating A non critical overspeed ...

Страница 30: ...int relay being adjusted t either one of the other two contacts on the same relay Mark the wires or position them so they can be correctly reattached 2 Connect an ohmmeter to the center terminal of this relay and to either one of the other terminals of this relay If adjusting Relay 1 connect the ohmmeter to terminals 18 17 or 18 19 The ohmmeter will indicate either a short or an open condition dep...

Страница 31: ...ys the RPM frequency rate etc value at that set point 3 When the jumpers are removed the meter switches back to its normal operation 31 Calibrating the Speed Switch The temporary jumper does not interfere with the normal operation of any relays The 4 20 mA proportional output terminals 9 10 is NOT affected by this procedure The 14 Vdc pulsed output is not affected by this procedure 6 7 8 9 10 11 1...

Страница 32: ...rom t Terminal 16 to 12 for Set point 1 or t Terminal 16 to 13 for Set point 2 or t Terminal 16 to 14 for Set point 3 or t Terminal 16 to 15 for Set point 4 3 The 0 1 mA meter will now indicate the current value for the chosen set point see Fig 4 14 page 31 4 If necessary first adjust the selected set point using procedures outlined in Adjusting Individual set points page 28 5 Remove the temporary...

Страница 33: ...ency equation for setpoints 28 table 23 full scale input frequency range 21 H housings 6 I input signal 11 desensitizing 27 full scale range 21 sensitivity 27 installing 9 11 isolator 10 L latched relay 25 resetting 25 M model numbers 4 O output 24 4 20 mA 24 P PG 278 pulser 11 pickups powering 16 power ac 10 dc 10 external devices 13 15 17 M928 16 SPV 200 17 zero velocity pickups 16 proportional ...

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