Red Lion Controls IFMR0066 Datasheet
Contents
1. 3 12 4 20 REF 106 7 CAUTION Risk of Danger Read complete instructions prior to installation and operation of the unit CAUTION Risk of electric shock SIMPLE ON LINE TRIP FREQUENCY SETTING USING ACTUAL INPUT SIGNAL OR FREQUENCY GENERATOR USER SETTABLE TRIP FREQUENCY FROM 0 1 Hz to 25 KHz OVER SPEED UNDER SPEED AND ZERO SPEED DETECTION RELAY LATCHING ALARM OVERRIDE AND ALARM RESET FUNCTIONS PROGRAMMABLE INPUT CIRCUIT ACCEPTS OUTPUTS FROM A VARIETY OF SENSORS HYSTERESIS AND OFFSET FUNCTIONS AVAILABLE 85 to 250 VAC and 9 to 32 VDC VERSIONS AVAILABLE INPUT AND RELAY STATUS INDICATION LED S Alus The IFMR operates in one of six output modes as selected by the user The programmable Minimum Response Time provides optimum response vs input filtering for any input frequency The offset and hysteresis settings provide flexible adjustment of the relay trip and release points The unit is equipped with a universal mounting foot for attachment to standard DIN style mounting rails including top hat profile rail according to EN 50 022 35 x 7 5 and 35 x 15 and G profile rail according to EN 50 035 G32 SAFETY SUMMARY All safety related regulations local codes and instructions t2. SECTION Operating Mode 1 0 Set Trip Frequency Using an Input Signal or Frequency Generator 2 0 Note To return to normal operation i 7 Set Trip Frequency Using the Rotary Switch 3 0 place DIP switch 4 in the down RUN position Set Minimum Response Time 4 0 Set Relay Trip Point 5 0 Indicates Configuration Section Set Relay Release Point 6 0 RELAY INDICATION FACTORY SETTINGS Overspeed The Relay LED red turns on to indicate the input signal Setting Parameter has exceeded the trip frequency Ti Frown ory 5 a speed Operation Trip on Overspeed Underspeed The Relay LED red turns on to indicate the input Minimum Response 5 msec signal is below the trip frequency setting Trip Point Offset None Invalid Entry during Set up The Input LED green and the Relay Trip Point Hysteresis 0 25 LED red alternately blink until a valid entry is made 1 1 Place DIP switch 4 to the ON up position and DIP switches 5 6 and 7 as shown 1 2 Green input LED blinks the setting corresponding to the Operating Mode shown below pauses and repeats the value Setting Operating Mode 1 JOVERSPEED trip automatic Release upon return to normal OVERSPEED latched trip Release only after ALM Reset pulled to Common UNDERSPEED trip automatic Release upon return to normal UNDERSPEED trip start up condition ignored automatic Release upon return to normal UNDERSPEED latched trip
3. Set Minimum Response Time Step 4 1 ROTARY SWITCH 99 7 rn PE GEN Setting 2 Selected 3 1 Place DIP switch 4 to the ON position and DIP switches 5 6 and 7 as shown 3 2 The Green input LED blinks the existing Trip Frequency setting pauses and repeats Six full digits of numerical information blink with a 2 sec pause between digits and a 4 sec pause at the end before repeating The first five digits are the existing Trip Frequency magnitude The sixth digit is the frequency resolution the number of digits to the right of the decimal point If the existing Trip Frequency setting is your desired requirement this section is complete Otherwise continue with Step 3 3 3 3 Determine the Trip Frequency and record in the space provided below Trip Frequency Resolution First 5 of 6 digits 6th digit Example 95 5 Hz Example 15 500 Hz 9 5 45 o0 o 3 1 s sfojo lo A 0 9 545 0 2 A 0 0 9 545 1 A 3 4 Press the push button The Green input LED blinks rapidly Trip Frequency setting is now accessed 3 5 Turn the rotary switch to the first selected numerical value Press the push button The Green input LED continues to blink rapidly First of six numerical digits is entered 3 6 Turn the rotary switch to the second selected numerical value Press the push button The Green input LED continues to blink rapidly Second of six numerical digits is
4. The Mode of Operation is set for Mode 1 overspeed trip automatic release upon return to normal To set the value of the alarm either apply the maximum input signal as described in Section 2 0 or determine the Trip Frequency using the following formula T Rail Installation To install the IFMR on a T style rail angle the module so that the top groove of the foot is located over the lip of the top rail Push the module toward the rail until it snaps into place To remove a module from the rail insert a screwdriver into the slot on the bottom of the foot and pry upwards on the module until it releases from the rail Trip Freq units measure x pulses unit seconds measure Trip Freq 2000 RPM x 60 PPR 2000 Hz 60 sec Set the Trip Frequency with the rotary switch for 2000 Hz With Trip point Offset set at 0 00 No Offset and Trip Point Hysteresis set at 0 25 activation of the relay occurs at 2000 Hz and release occurs at 1995 Hz APPLICATION 2 The IFMR can be used in a speed monitoring system to detect when the system drops below setpoint The IFMR is wired to a PSAC inductive proximity sensor that is sensing a key way on the shaft of a motor The motor is turning at 1750 RPM When the speed of the motor drops below 1250 RPM the IFMR latches the output until the user resets the output with an external push button The mode of operation of the IFMR is set for 5 UNDERSPEED Latched TROUBL
5. connection should be made as short as possible The connection point for the shield depends somewhat upon the application Listed below are the recommended methods of connecting the shield in order of their effectiveness a Connect the shield only at the rail where the unit is mounted to earth ground protective earth b Connect the shield to earth ground at both ends of the cable usually when the noise source frequency is above 1 MHz c Connect the shield to common of the unit and leave the other end of the shield unconnected and insulated from earth ground 2 Never run Signal or Control cables in the same conduit or raceway with AC power lines conductors feeding motors solenoids SCR controls and heaters etc The cables should be run in metal conduit that is properly grounded This is especially useful in applications where cable runs are long and portable two way radios are used in close proximity or if the installation is near a commercial radio transmitter 3 Signal or Control cables within an enclosure should be routed as far away as possible from contactors control relays transformers and other noisy components 4 In very electrically noisy environments the use of external EMI suppression devices such as ferrite suppression cores is effective Install them on Signal and Control cables as close to the unit as possible Loop the cable through the core several times or use multiple cores on each cable for additional prote
6. entered 3 7 Repeat Step 3 6 three more times then go to Step 3 8 This enters a total of five of the required six numerical digits 3 8 Turn the rotary switch to the selected numerical value for resolution requirement Press the push button The Green input LED blinks the new Trip Frequency setting as described in Step 2 2 pauses and repeats the value If the new Trip Frequency setting is acceptable this section is complete If the new Trip Frequency setting is not the desired setting repeat Steps 3 4 through 3 8 If the Red relay LED blinks the numerical value entered is invalid Repeat Steps 3 3 through 3 8 Section complete place DIP switch 4 to the down position for normal operation or change DIP switches 5 6 and 7 for the next Configuration Section 4 1 Place DIP switch 4 to the ON position and DIP switches 5 6 and 7 as shown 4 2 The Green input LED blinks the existing Minimum Response Time setting see following list pauses and repeats Setting Time Setting Time 0 5 msec 5 200 msec 1 10 msec 6 500 msec 2 20 msec 7 1 sec 3 50 msec 8 5 sec not valid for trip frequency gt 3906 Hz 4 100 msec 9 10 sec not valid for trip frequency gt 3906 Hz Note Minimum Response Times do not include the relay s operate response time of 5 msec or the release response time of 3 msec 4 3 Press the push button The Green input LED blinks rapidly Minimum Response Time setting is now a
7. 1 period to 10 sec 1 period in ten steps excluding relay operate time 11 HYSTERESIS AND OFFSET From 0 25 to 33 33 of Trip Frequency in nine steps Hysteresis and or Offset can also be set to 0 Disabled 12 INPUT AND POWER CONNECTIONS Screw in terminal blocks 13 ISOLATION BREAKDOWN VOLTAGE Dielectric Withstand 2200 V between power amp input and power amp output 500 V between input amp output for minute 14 CERTIFICATIONS AND COMPLIANCES SAFETY UL Recognized Component File E137808 UL508 CSA 22 2 No 14 Recognized to U S and Canadian requirements under the Component Recognition Program of Underwriters Laboratories Inc IECEE CB Scheme Test Certificate UL1683A 176645 USA CB Scheme Test Report 97ME50135 042297 Issued by Underwriters Laboratories Inc IEC 61010 1 EN 61010 1 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 ELECTROMAGNETIC COMPATIBILITY Immunity to EN 50082 2 Electrostatic discharge EN 61000 4 2 Level 2 4 Kv contact Level 3 8 Kv air Electromagnetic RF fields EN 61000 4 3 Level 3 10 V m2 80 MHz 1 GHz EN 61000 4 4 Level 4 2 Kv I O Level 3 2 Kv power Level 3 10 V rms 150 KHz 80 MHz Level 4 30 A m Fast transients burst RF conducted interference EN 61000 4 6 Power frequency magnetic fields EN 61000 4 8 Emissions to EN 50081 2 RF interference EN 55011 Enclosure class A Power mains class A Notes 1 This de
8. 245 Hz 5 1 Place DIP switch 4 to the ON position and DIP switches 5 6 and 7 as shown 5 2 The Green input LED blinks the existing setting see following list pauses and repeats Setting Percentage 0 00 NO Offset 0 25 0 0025 0 50 0 0050 1 00 0 0100 2 00 0 0200 5 00 0 0500 10 00 0 1000 20 00 0 2000 25 00 0 2500 33 33 0 3333 5 3 Press the push button The Green input LED blinks rapidly Trip Point Offset setting is now accessed 5 4 Turn the rotary switch to the selected numerical value for Trip Point Offset desired see list in Step 5 2 5 5 Press the push button The Green input LED blinks the value entered pauses and repeats the new setting OMNDABRWNH AO If the new Trip Point Offset setting is acceptable this section is complete If the new Trip Point Offset setting is not the desired setting repeat Steps 5 3 5 4 and 5 5 If the Red relay LED blinks the rotary switch numerical value is invalid Repeat Steps 5 4 and 5 5 Section complete place DIP switch 4 to the down position for normal operation or change DIP switches 5 6 and 7 for the next Configuration Section For Overspeed operation the Relay Release point is set to the Relay Trip point minus the Hysteresis value For Underspeed operation the Relay Release point is set to the Relay Trip point plus the Hysteresis value The hysteresis value is calculated by multiplying the hysteresis percentage by
9. AY LED RELAY DIP SWITCH INPUTS BCD INPUTS OVERVIEW The Model IFMR continuously monitors the input signal and controls an output relay based on the frequency of the input signal the chosen Operation Mode Underspeed or Overspeed and the Trip and Release points the user has selected The green Input LED blinks at the rate of the input frequency At about 100 Hz the Input LED will appear to be solid on At very low frequencies the Input LED blinks slowly and may also appear to be solid on A loss of signal may also cause the Input LED to remain on depending on the DIP switch set up In this case the red Relay LED also turns on The IFMR indicates the status of the relay with the Relay LED Red Whenever the relay is in the Trip state the IFMR turns ON the Relay LED In the Release state the Relay LED is OFF For Overspeed detection when the input frequency averaged over the Minimum Response Time exceeds the Trip point the IFMR trips the relay With the relay in the Trip condition the input frequency must fall below the Release point for the relay to release For Underspeed detection the relay trips when the input frequency averaged over the Minimum Response Time falls below the Trip point The relay releases only after the input frequency has exceeded the Release point Two of the Underspeed operating modes allow the machine or s
10. ESHOOTING trip release only after Alarm Reset pulled to common Determine the Trip For further technical assistance contact technical support at the appropriate Frequency using the following formula company numbers listed Trip Freq ee PPR 1250 RPMx1PPR 99 93 Hz Trip Freq TES Set the Trip Frequency with the rotary switch for 20 83 Hz Red Lion Controls AP Red Lion Controls Red Lion Controls BV 31 Kaki Bukit Road 3 20 Willow Springs Circle Basicweg 11b 06 04 05 TechLink York PA 17402 NL 3821 BR Amersfoort Singapore 417818 Tel 1 717 767 6511 Tel 31 0 334 723 225 Tel 65 6744 6613 Fax 1 717 764 0839 Fax 31 0 334 893 793 Fax 65 6743 3360
11. Release only after ALM Reset pulled to Common UNDERSPEED latched trip start up condition ignored Release only after ALM Reset pulled to Common DAnhwWhd Refers to initial application of power to the IFMR not the input frequency If existing operating mode setting is your desired requirement this section is complete Otherwise continue with Step 1 3 1 3 Press the push button The Green input LED blinks rapidly to indicate the Operating mode setting is now accessed 1 4 Turn the rotary switch to the selected numerical value for output desired see the list in Step 1 2 1 5 Press the push button The Green input LED blinks the value entered pauses and repeats the new operation setting SWITCH If the new Operating mode setting is acceptable this section is complete 0 bp If the new Operating mode setting is not the desired setting repeat Steps 1 3 1 4 and 1 5 s c a If Red output LED blinks the rotary switch numerical value is invalid Repeat Steps 1 4 and 1 5 ag Gi Section complete place DIP switch 4 to the down position for normal operation or change DIP electe switches 5 6 and 7 for the next Configuration Section PUSH BUTTON PREFERRED METHOD 3 0 Set Trip Frequency Using The Rotary Switch ROTARY SWITCH 99 7 CAANG YE ISN Setting 2 Step 3 5 Selected ALTERNATIVE METHOD IF INPUT SIGNAL IS NOT AVAILABLE 4 0
12. Separate power supplies must be used for sensor power and input power to maintain the isolation breakdown voltage specification If isolation between power and input is not needed then a single supply can be used for both unit and sensor power MAGNETIC PICKUPS SENSORS WITH CURRENT SINK OUTPUT NPN O C 12V INPUT AC VERSION DC VERSION MAGNETIC PICKUP 1 COMM e 7O SENSOR O 12 V uur lt a AY INPUT SENSOR 8 INPUT oe outro lt 4 COMM er COMM EXT VDC EXT VDC RECOMMENDED RULES FOR MAGNETIC PICKUP CONNECTIONS 1 Connect the shield to the common Terminal 9 at the input of the IFMR DO NOT connect the shield at the pickup end Leave the shield open at the pickup and insulate RLC SENSOR MODELS A i ASTC LMPC PSAC LSC RPGC RPGB RPGH RPGQ the exposed shield to prevent electrical contact with the frame or case Shielded cable Check sensor power requirements before supplied on some RLC magnetic pickups has open shield on pickup end wiring 2 WIRE PROXIMITY SENSORS SENSORS WITH CURRENT SOURCE OUTPUT PNP O C AC VERSION DC VERSION ELK OR BRN G 12 V BLK OR BRN INPUT COMM EE INPUT t SENSOR EXT VDC como PNP OT ax ee Y eM iGiS EXT VDC oureur ae Check sensor power requirements before INPUT wiring e 9 COMM OLDER STYLE RLC SENSORS WITH EF OUTPUT Check sensor power requirement
13. Terminal 12 1207200 1 Fl 1207240 It is recommended that separate are T supplies be used for sensor power and SME 00O SAN unit power Using the same supply for ALARM S ALARM both will negate isolation between OVERRIDE RESET input and power NO Output Wiring out O INPUT Terminals 1 2 and 3 are used to 12V SD ore h COMM connect to the relay output Terminal 1 60mA 08O is the normally open contact Terminal Ae RY Ol ne 3 is the normally closed contact and Terminal 2 is the output relay common INPUT CIRCUITS SENSOR CONNECTIONS AND CONFIGURATION SWITCH SET UP The Model IFMR Speed Switch uses a comparator amplifier connected as a S2 ON For logic level signals sets the input bias levels to Vy 2 5 V Schmidt trigger circuit to convert the input wave form into the pulse form Vin 3 0 V required for proper circuit operation Three set up switches are used to configure OFF For increased sensitivity when used with magnetic pickups sets the the input circuit to accept signals from a wide variety of sources as follows input bias levels to Vy 0 25 V V 0 75 V S1 ON Connects a 1 KQ pull down resistor for sensors with sourcing outputs S3 ON Connects a 3 9 KQ pull up resistor for sensors with current sinking Maximum sensor output current is 24 mA 24 VDC output output Max sensor current 3 mA CONNECTIONS amp CONFIGURATION SWITCH SET UP FOR VARIOUS SENSOR OUTPUTS Note
14. ay LED blinks the rotary switch numerical value is invalid Repeat Steps 6 4 and 6 5 Section complete place DIP switch 4 to the down position for normal operation or change DIP switches 5 6 and 7 for the next Configuration Section INSTALLATION The unit is equipped with a universal mounting foot for attachment to standard DIN style mounting rails including G profile rail according to EN50035 G32 and top hat T profile rail according to EN50022 35 x 7 5 and 35 x 15 The unit should be installed in a location that does not exceed the maximum operating temperature and provides good air circulation Placing the unit near devices that generate excessive heat should be avoided APPLICATION 1 An APLR is connected to an LMPC logic magnetic pickup that is sensing the speed of a 60 tooth gear attached to a shaft The shaft speed should not exceed 2000 RPM APLR Q 12V COMM 9 INPUT G Rail Installation To install the IFMR on a G style DIN rail angle the module so that the upper groove of the foot catches under the lip of the top rail Push the module toward the rail until it snaps into place To remove a module from the rail push up on the bottom of the module while pulling out away from the rail The IFMR is placed in parallel with the APLR to activate an alarm when an overspeed condition is detected and to turn off the alarm when the speed returns to normal
15. ccessed 4 4 Turn the rotary switch to the selected numerical value for Minimum Response Time desired see list in Step 4 2 4 5 Press the push button The Green input LED blinks the value entered pauses and repeats the new setting Ifthe new Minimum Response Time setting is acceptable this section is complete If the new Minimum Response Time setting is not the desired setting repeat Steps 4 3 4 4 and 4 5 If the Red relay LED blinks the rotary switch numerical value is invalid Repeat Steps 4 4 and 4 5 Section complete place DIP switch 4 to the down position for normal operation or change DIP switches 5 6 and 7 for the next Configuration Section 5 0 Set Relay Trip Point Offset ROTARY SWITCH 6 0 Set Relay Release Point Hysteresis ROTARY SWITCH Step 5 1 Setting 9 Selected 90 7 Y VE IGN Setting 9 Selected For Overspeed operation the Relay Trip point is internally set to the Trip Frequency plus the Offset value For Underspeed operation the Relay Trip point is internally set to the Trip Frequency minus the Offset value The Offset value is equal to the Trip Frequency multiplied by the selected Offset percentage Example The Offset value is calculated as shown below Trip Frequency 250 Hz Rotary Switch Setting 4 2 00 Offset Value 250 Hz x 2 00 0 02 5 Hz Trip Point OVERSPEED 250 5 255 Hz UNDERSPEED 250 5
16. ction Install line filters on the power input cable to the unit to suppress power line interference Install them near the power entry point of the enclosure The following EMI suppression devices or equivalent are recommended Ferrite Suppression Cores for signal and control cables Fair Rite 0443167251 RLC FCOR0000 TDK ZCAT3035 1330A Steward 28B2029 0A0 Line Filters for input power cables Schaffner FN610 1 07 RLC LFIL0000 Schaffner FN670 1 8 07 Corcom 1VR3 Note Reference manufacturer s instructions when installing a line filter 5 Long cable runs are more susceptible to EMI pickup than short cable runs Therefore keep cable runs as short as possible WIRING CONNECTIONS All conductors should meet voltage and current ratings for each terminal Also cabling should conform to appropriate standards of good installation local codes and regulations It is recommended that power supplied to the unit AC or DC be protected by a fuse or circuit breaker POWER AND OUTPUT CONNECTIONS AC Power Primary power is connected to terminals 10 and 12 labeled AC For best results the AC Power should be relatively clean and within the specified variation limits Drawing power from heavily loaded circuits or from circuits that also power loads that cycle on and off should be avoided DC Power The DC power is connected to Terminals 10 and 12 The DC plus is connected to Terminal 10 and the minus is connected to
17. hat appear in the manual or on equipment must be observed to ensure personal safety and to prevent damage to either the instrument or equipment connected to it If equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired N WARNING SPEED SWITCHES MUST NEVER BE USED AS UL Recognized Component File E137808 PRIMARY PROTECTION AGAINST HAZARDOUS OPERATING CONDITIONS Machinery must first be made safe by inherent design or the installation of guards shields or other devices to protect personnel in the event of a hazardous machine speed condition The speed switch may be installed to help prevent the machine from entering the unsafe speed SPECIFICATIONS 1 POWER AC Powered Versions 85 to 250 VAC 48 to 62 Hz 5 5 VA DC Powered Versions 9 to 32 VDC 2 0 W Power Up Current Ip 600 mA for 50 msec max 2 SENSOR POWER AC version only 12 VDC 25 60 mA max 3 OPERATING FREQUENCY RANGE 0 Hz to 25 KHz 4 SIGNAL INPUT DIP switch selectable to accept signals from a variety of sources including switch contacts outputs from CMOS or TTL circuits magnetic pickups and all standard RLC sensors Current Sourcing Internal 1 KO pull down resistor for sensors with current sourcing output Max sensor output current 24 mA 24 V output Current Sinking Internal 3 9 KQO pull up resistor for sensors with current sinking output Max sensor current 3 mA Low Bias Input t
18. red lion Tel 1 717 767 6511 Fax 1 717 764 0839 www redlion net Bulletin No IFMR G Drawing No LP0341 Released 7 05 MODEL IFMR DIN RAIL SPEED SWITCH DESCRIPTION The Model IFMR accepts a frequency input and controls a single relay SPDT based on the value of the input frequency The Trip frequency can be set to any value from 0 1 Hz to 25 KHz The IFMR can be set to trip on overspeed or underspeed including zero speed Offset and hysteresis values can be incorporated into the trip setting to eliminate output chatter LED indicators for both the Input signal and the Relay status are provided Two separate input connections for external push buttons are also provided One external input overrides the trip detection function and holds the relay in the release state as long as the input is pulled to common The other external input clears a latched trip condition when pulled to common The IFMR utilizes a seven position DIP switch a rotary switch a push button and two indication LEDs to accomplish input circuit configuration operational parameter set up input signal and relay status indication The input circuitry is DIP switch selectable for a variety of sources The indication LEDs are used during normal operation to display the input signal and relay status of the IFMR These LEDs are also used to provide visual feedback to the user of the current parameter settings during parameter set up DIMENSIONS In inches mm
19. rigger levers Vy 0 25 V Vm 0 75 V for increased sensitivity when used with magnetic pickups Hi Bias Input trigger levels Vj 2 5 V Vm 3 0 V for logic level signals Max Input Signal 90 V 2 75 mA max with both Current Sourcing and Current Sinking resistors switched off ORDERING INFORMATION PART NUMBERS FOR AVAILABLE DESCRIPTION SUPPLY VOLTAGES IFMR Speed Switch IFMRO036 IFMROO66 For more information on Pricing Enclosures amp Panel Mount Kits refer to the RLC Catalog or contact your local RLC distributor MODEL NO SPECIFICATIONS Cont d 5 CONTROL INPUTS Active low Vy 0 5 V max internally pulled up to 5 VDC through a 100 KO resistor Isyx 50 pA Response Time msec Alarm Reset Unlatches the relay when pulled to common while the input frequency is in the release region Alarm Override Causes the IFMR to unconditionally release the relay when pulled to common 6 RELAY CONTACT OUTPUT FORM C SPDT contacts max rating 5 A 120 240 VAC or 28 VDC resistive load 1 8 H P 120 VAC inductive load The operate time is 5 msec nominal and the release time is 3 msec nominal 7 RELAY LIFE EXPECTANCY 100 000 cycles at max rating As load level decreases life expectancy increases 8 ACCURACY 0 1 of the trip frequency setting 9 INPUT IMPEDANCE 33 KQ min with the sink and source DIP switches in the OFF positions See Block Diagram 10 MINIMUM RESPONSE TIME From 5 msec
20. s before wiring AC VERSION DC VERSION seuson an ae Set SWITCH CONTACT INPUT A Ser INPUT ae c comm 8 __ COMM Goo gla HL ea wos AC VERSION DC VERSION 12 V EXT VDC Check sensor power requirements before 8 INPUT contact 1 8K S 1 8K INPUT FROM CMOS OR TTL IK INPUT o NVV COMM N 10uF CONTACT ZX 1 0uF Z EXT VDC v F o COMM VA EXT VDC l a ae 4 XY MACHINE GROUND INPUT MACHINE GROUND AC VERSION DC VERSION Check sensor power requirements before wiring DIP SWITCHES CONFIGURING THE IFMR ROT Upon entry to a set up parameter the Input LED blinks the current numerical value of a setting at a 1 Hz rate A setting of 1 is indicated by one blink 4 sec on 1 4 sec off through a setting of 9 which is indicated by nine blinks A setting of 0 is indicated by a single short flash 40 msec on 1 sec off After the entire value is indicated the IFMR pauses two seconds and repeats the value During entry of a new value if the Mode switch S4 or any of the CFG DIP switch positions are changed before the push button is pressed the IFMR aborts the entry process and retains the previous setting To begin set up place DIP switch 4 to the on up position DIP switches 5 6 and 7 access unit configuration settings
21. the IFMR to unconditionally Release the relay regardless of the input frequency or the state of the relay when pulled to common When the Alarm Override pin is released from common the operation of the IFMR returns to normal and the status of the relay is updated based on the input frequency The Alarm Reset pin is only active when the IFMR is in one of the Latch operation modes With the Latch function selected the relay latches into the Trip state whenever a Trip condition is detected The relay remains latched until the Alarm Reset pin is pulled to common while the input frequency is in the Release region The Alarm Reset pin is ignored while the input frequency is in the Trip region EMC INSTALLATION GUIDELINES Although this unit is designed with a high degree of immunity to ElectroMagnetic Interference EMI proper installation and wiring methods must be followed to ensure compatibility in each application The type of the electrical noise source or coupling method into the unit may be different for various installations The unit becomes more immune to EMI with fewer I O connections Cable length routing and shield termination are very important and can mean the difference between a successful installation or a troublesome installation Listed below are some EMC guidelines for successful installation in an industrial environment 1 Use shielded screened cables for all Signal and Control inputs The shield screen pigtail
22. the current trip frequency If No Hysteresis setting 0 is selected the Relay Trip and Release points are identical which can lead to chattering or cycling of the relay at input frequencies hovering around the Relay Trip point Example Using the Trip Frequency and Offset value as shown in the example above the hysteresis value is calculated as shown below Rotary Switch Setting 3 1 00 Hysteresis Value 250 Hz x 1 00 0 01 2 5 Hz Release Point OVERSPEED 250 5 2 5 252 5 Hz UNDERSPEED 250 5 2 5 247 5 Hz 6 1 Place DIP switch 4 to the ON position and DIP switches 5 6 and 7 as shown 6 2 The Green input LED blinks the existing setting see following list pauses and repeats Setting Percentage 0 0 00 NO Hysteresis 0 25 0 0025 0 50 0 0050 1 00 0 0100 2 00 0 0200 5 00 0 0500 10 00 0 1000 20 00 0 2000 25 00 0 2500 33 33 0 3333 OMNOARWN 6 3 Press the push button The Green input LED blinks rapidly Trip Point Hysteresis setting is now accessed 6 4 Turn the rotary switch to the selected numerical value for Hysteresis desired see list in Step 6 2 6 5 Press the push button The Green input LED blinks the value entered pauses and repeats the new setting If the new Trip Point Hysteresis setting is acceptable this section is complete If the new Trip Point Hysteresis setting is not the desired setting repeat Steps 6 3 6 4 and 6 5 If the Red rel
23. vice was designed for installation in an enclosure To avoid electrostatic discharge precautions should be taken when the device is mounted outside an enclosure When working in an enclosure ex making adjustments setting switches etc typical anti static precautions should be observed before touching the unit 2 For operation without loss of performance Unit is mounted on a rail in a metal enclosure Buckeye SM7013 0 or equivalent and I O cables are routed in metal conduit connected to earth ground Refer to the EMC Installation Guidelines section of this bulletin for additional information 15 ENVIRONMENTAL CONDITIONS Operating Temperature 0 to 50 C Storage Temperature 40 to 80 C Operating and Storage Humidity 85 max non condensing from 0 C to 50 C Altitude Up to 2000 meters 16 CONSTRUCTION Case body is green high impact plastic Installation Category II Pollution Degree 2 17 WEIGHT 6 oz 0 17 Kg BLOCK DIAGRAM POWER AC 85 to 250 SWITCHING VAC CIRCUIT SUPPLY DC VERSION fo DC POWER 9 to 32 VDC SmTCHING SUPPLY CIRCUIT ALARM OVERRIDE ALARM OVERRIDE ALARM RESET AC VERSION ONLY PROCESS SENSOR SUPPLY 12 VDC 60 mA 12V 12V 4 INPUT INPUT SIGNAL SIGNAL CIRCUITRY INPUT LED REL
24. ystem that supplies the input signal to reach normal operating speed before the IFMR responds to an Underspeed condition For Zero Speed applications bear in mind that Zero Speed detection and Underspeed detection are identical The Minimum Response Time parameter sets the minimum update time of the output The actual response time is the Minimum Response Time plus up to one full period of the input signal The IFMR counts the negative edges occurring during the update time period and computes the average frequency value for that time This action filters out any high frequency jitter that may be present in the input signal The longer the Minimum Response Time the more filtering occurs The Offset value is added to the Trip Frequency to determine the Trip Point for Overspeed operation For Underspeed operation the Trip point becomes the Trip Frequency minus the Offset value If No Hysteresis has been selected the Trip and Release points are identical which can lead to cycling or chattering of the relay at input frequencies hovering around the Trip point If Hysteresis is selected the Release point is set to the Trip point including Offset minus the Hysteresis value for Overspeed detection For Underspeed detection the Release point is set to the Trip point including Offset plus the Hysteresis value Two input pins Alarm Override and Alarm Reset are provided for the optional connection of push buttons The Alarm Override pin causes
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