RED LION CONTROLS
Contents
1. Setting Time Setting Time 0 1024 times Input Range period 40 msec min 10 sec max 5 200 msec 5 Hz 1 10msec 100 Hz 6 500 msec 2 Hz 2 20 msec 50 Hz 7 1 sec 1 Hz 3 50 msec 20 Hz 8 5 sec 2 Hz 4 100 msec 10 Hz 9 10sec 1 Hz If the existing Maximum Response Time setting is your desired requirement this section is complete Otherwise continue with Step 5 3 5 3 Press the push button The Green input LED blinks rapidly Maximum Response Time setting is now accessed 5 4 Turn the rotary switch to the selected numerical value for Maximum Response Time 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 Maximum Response Time setting If the new Maximum Response Time setting is acceptable this section is complete If the new Maximum Response Time setting is not acceptable repeat from Step 5 3 i If the Red output LED blinks the rotary switch numerical value is invalid Repeat Steps 5 4 and y o ROTARY SS Bar SWITCH 5 5 gt 0 it 5 0 7 E Z 2 PA Section complete place DIP switch 4 to the Down position for normal operation or change DIP S 5 a switches 5 6 and 7 for the next Configuration Section Setting 9 j Step 4 4 Selected 6 0 Calibration The IFMA is factory calibrated for all operating modes These settings are permanently stored in th2. Setting Time Setting Time 0 5 msec 5 200 msec 1 10 msec 6 500 msec 2 20 msec T 1 sec 3 50 msec 8 5 sec not valid for input range gt 3906 Hz 4 100 msec 9 10 sec not valid for input range gt 3906 Hz If the existing Minimum Response Time setting is your desired requirement this section is complete Otherwise continue with Step 4 3 4 3 Press the push button The Green input LED blinks rapidly Minimum Response Time setting is now accessed 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 Minimum Response Time setting If the new Minimum Response Time setting is acceptable this section is complete If the new Minimum Response Time setting is not acceptable repeat from step 4 3 If the Red output 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 Maximum Response Time Setting Low Frequency Cut Out Setting 5 1 Place DIP switch 4 to the ON up position and DIP switches 5 6 and 7 as shown 5 2 The Green input LED blinks the corresponding Maximum Response Time Setting see following list pauses and repeats Step 5 1
3. 20 50 Conse O 106 7 4 20 REF o NSN N ION Wa HOA STOYLNOD NON GF4 MG S ZH09 0S OVA 0SZ S8 ORDERING INFORMATION PART NUMBERS FOR AVAILABLE MODEL NO DESCRIPTION SUPPLY VOLTAGES 9 to 32 VDC 85 to 250 VAC Pulse Rate to IFMA0035 IFMA0065 Analog Converter For more information on Pricing Enclosures amp Panel Mount Kits refer to the RLC Catalog or contact your local RLC distributor SPECIFICATIONS Cont d 9 RESOLUTION Voltage 3 5 mV min Current 5 uA min 10 RESPONSE TIME 5 msec 1 period to 10 sec 1 period user selectable 11 INPUT IMPEDANCE 33 KQ min with the sink and source DIP switches in the OFF position See Block Diagram 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 1 minute 14 CERTIFICATIONS AND COMPLIANCES UL Recognized Component File E137808 Recognized to U S and Canadian requirements under the Component Recognition Program of Underwriters Laboratories Inc EMC EMISSIONS Meets EN 5008 1 2 Industrial Environment CISPR 11 Radiated and conducted emissions EMC IMMUNITY Meets EN 50082 2 Industrial Environment ENV 50140 Radio frequency radiated electromagnetic field ENV 50141 Radio frequency conducted
4. PNP O C 12V OUTPUT Y OUTPUT loutpuT Tha Dig COMM om COMM INPUT FROM CMOS OR TTL V A C INPUTS FROM INVERTERS A C TACHOMETERS GENERATORS ETC 12v 8 INPUT COMM R RESISTOR TO LIMIT INPUT CURRENT TO 5 mA PEAK C FILTER CAP REQUIRED WHEN INPUT A C HAS RINGING CHARACTERISTICS AS WITH INVERTERS A C POWER SOURCES EXCEEDING SOV OUTPUT SHOULD BE COUPLED WITH AN ISOLATION TRANSFORMER To begin set up place DIP switch 4 to the on up position DIP switches 5 6 and 7 access unit configuration settings 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 1 2 sec on 1 2 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 sec off The decimal point position is the last number blinked After the entire value is indicated the IFMA 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 IFMA aborts the entry process and retains the previous setting swicxes CONFIGURING THE IFMA TER oe PUSHBUTTON OUTPUT alee DESCRIPTION SECTION Operating Mode 1 Input
5. INTERNATIONAL HEADQUARTERS 20 Willow Springs Circle York Pa 17402 717 767 6511 FAX 717 764 0839 Web site http www redlion controls com E mail sales redlion controls com BULLETIN NO IFMA C DRAWING NO LP0340 REVISED 9 97 RED LION CONTROLS EUROPEAN HEADQUARTERS 892 Plymouth Road Slough Berkshire SL1 4LP ENGLAND 44 1753 696888 FAX 44 1753 696339 MODEL IFMA DIN RAIL FREQUENCY TO ANALOG CONVERTER DESCRIPTION The Model IFMA accepts a frequency input and outputs an analog voltage or current in proportion to the input frequency with 0 1 accuracy The full scale input frequency can be set to any value from 1 Hz to 25 KHz either with a frequency source or digitally with the on board rotary switch and push button The IFMA utilizes a seven position DIP switch a rotary switch a push button and two indication LED s to accomplish input circuit configuration operational parameter set up and Input Output indication The input circuitry is DIP switch selectable for a variety of sources The indication LED s are used during normal operation to display the input and output status of the IFMA These LED s are also used to provide visual feedback to the user of the existing parameter settings during parameter set up The IFMA operates in one of four output modes The programmable minimum and maximum response times provide optimal response at any input frequency The unit is equipped with a universal mounting foo
6. at the input of the IFMA DO NOT connect the shield at the pickup end Leave the shield open at the pickup and insulate the exposed shield to prevent electrical contact with the frame or case Shielded cable supplied on some RLC magnetic pickups has open shield on pickup end SENSORS WITH CURRENT SINK OUTPUT NPN O C DC VERSION INPUT COMM EXT VDC AC VERSION SENSOR NPN O C WIEN ouput BED war fi _ INPUT 1 I BLK 4 Ala COMM RLC SENSOR MODELS ASTC LMPC PSAC LSC RPGC RPGB RPGH RPGQ SENSOR INPN_0 C 4 OUTPUT EXT VDC Check sensor power requirements before wiring 2 WIRE PROXIMITY SENSORS AC VERSION DC VERSION BLK OR BRN INPUT T COMM EXT VDC BLK OR BRN G 4 19 V z N Eu ____ INPUT COMM gt EXT VDC Check sensor power requirements before wiring OLDER STYLE RLC SENSORS WITH EF OUTPUT AC VERSION DC VERSION Ax INPUT Bee c comm OUTPUT 3 5 4 EXT VDC EXT VDC Check sensor power requirements before SENSOR 4412 v EF lt 2 OUTPUT INPUT 89 COMM SENSOR SENSORS WITH CURRENT SOURCE OUTPUT PNP O C AC VERSION DC VERSION INPUT COMM EXT VDC EXT VDG Check sensor power requirements before wiring SENSOR SENSOR O 12 V PNP O C 12v
7. 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 AC 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 power is connected to terminal 10 and the mius is connected to terminal 12 It is recommended that separate supplies be used for sensor power and unit power Using the same supply for both will negate isolation between input and power Current Output When using Operating Mode 3 or 4 the output device is connected to terminals 1 I and 3 I Voltage Output When using Operating Mode 1 or 2 the output device is connected to terminals 4 V and 6 V Note Although signals are present at voltage and current outputs at the i OXO same time only the selected mode is V S v in calibration at any one time Example Operating Mode 2 is IN selected The voltage level present ease ouT O at the voltage terminals is in m INPUT calibration but the signal 12VDC O 8 6O0mA COMM
8. Range Setting Using an Input Signal or Frequency Generator Input Range Setting Using the Rotary Switch Note To return to normal operation place DIP switch 4 in the down Minimum Response Time RUN position Maximum Response Time Low Frequency Cut Out Setting Indicates Configuration Section Analog Output Minimum Value Analog Output Full Scale Value OUTPUT INDICATION Over range on the output The Output LED red turns on and the FACTORY SETTINGS Output is clamped at the maximum level Parameter Setting Value Low Frequency Cut Out The Output LED red turns on to Operating Mode 4 4 to 20 mA indicate the input frequency is below the Zero Frequency setting Input Range 10 000_ 10 KHz Minimum Response 0 5 msec Invalid Entry during Set up The Input LED green and the Maximum Response 0 1024 times Input Range Period 102 msec 9 8 Hz Output LED red alternately blink until a valid entry is made 1 0 Operating Mode Analog Output 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 Step 1 1 Setting Operating Mode 1 0 to 5 VDC 2 0 to 10 VDC 3 0 to 20 mA 4 4 to 20 mA Factory c
9. appearing at the current terminals n A N N does not conform to either of the AC w AC current output modes INPUT CIRCUITS SENSOR CONNECTIONS AND CONFIGURATION SWITCH SET UP The Model IFMA uses a comparator amplifier connected as a Schmidt trigger circuit to convert the input wave form into the pulse form required for proper circuit operation Three set up switches are used to configure the input circuit to accept signals from a wide variety of sources as follows S1 ON Connects a 1 KQ pull down resistor for sensors with sourcing outputs Maximum sensor output current is 12 mA 12 VDC output S2 ON For logic level signals Sets the input bias levels to Vy 2 5 V Vin 3 0 V OFF For increased sensitivity when used with magnetic pickups Sets the input bias levels to Vi 0 25 V Vyyq 0 75 V S3 ON Connects a 3 9 KQ pull up resistor for sensors with current sinking output Max sensor current 3 mA CONNECTIONS amp CONFIGURATION SWITCH SET UP FOR VARIOUS SENSOR OUTPUTS Note 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 INPUT MAGNETIC PICKUP i gO COMM RECOMMENDED RULES FOR MAGNETIC PICKUP CONNECTIONS 1 Connect the shield to the common Terminal 9
10. section is complete Verify the Input Range setting as shown in Step 2 2 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 3 0 Input Range Setting Using The Rotary Switch Step 3 1 O o Z Z g ROTARY J BE Ber switcn LWA Ke A WN lt P OSS Setting 2 Step 3 5 Selected ALTERNATIVE METHOD IF INPUT SIGNAL IS NOT AVAILABLE 4 0 Minimum Response Time Setting 90 7 NS ee 9TA VEA S E CN Setting 2 Selected 3 1 Place DIP switch 4 to the ON up position and DIP switches 5 6 and 7 as shown 3 2 The Green input LED blinks the existing Input Range setting pauses and repeats Six full digits of numerical information blink with a short pause between digits and a longer pause at the end before repeating The first five digits are the existing input range setting magnitude The sixth digit is the frequency resolution the number of digits to the right of the decimal point If the existing Input Range setting is your desired requirement this section is complete Otherwise continue with Step 3 3 3 3 Determine the Input Range frequency and record in the space provided below Input Range Frequency Resolution First 5 of 6 digits 6th digit Example 95 5 Hz Example 15 500 Hz 9 545 0 0 3 l1 s sJolo Jol
11. sets the Low Frequency Cut out response time for the unit If a new edge is not detected within the time specified OUTPUT RED ISOLATED ANALOG OUTPUT OUTPUT DAC by the Maximum Response Time setting the unit sets the output to the existing Low Frequency Cut out Value setting depending on the selected range and calibration setting The unit also indicates Low Frequency Cut out by turning ON the output LED The Maximum Response Time can be set shorter than the Minimum Response Time In this case as long as the input signal period is shorter than the Maximum Response Time the unit continues to indicate the input frequency at its output But if the input period at any time exceeds the Maximum Response Time the unit immediately takes the output to the Low Frequency Cut out Value regardless of the Minimum Response Time setting The IFMA is calibrated at the factory for all of the selected ranges However the user can adjust the minimum calibration to any value less than the Full Scale value and the Full Scale value to any value greater than the minimum value If the minimum and full scale values are brought closer together the accuracy of the unit decreases proportionate to the decreased range of the unit See Calibration EMC INSTALLATION GUIDELINES Although this unit is designed with a high
12. A A 0 9 5 45 0 2 A oloj 9 5 5 1 A 3 4 Press the push button The Green input LED blinks rapidly Input Range 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 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 digits is 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 Input Range setting as described in Step 2 2 pauses and repeats the value If the new Input Range setting is acceptable this section is complete If the new Input Range setting is not the desired setting repeat Steps 3 4 through 3 8 If the Red output 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 Position DIP switch 4 to the ON up position and DIP switches 5 6 and 7 as shown 4 2 The Green input LED blinks the corresponding Minimum Response Time Setting see following list pauses and repeats
13. ED OUTPUT LED DIP SWITCH INPUTS PROCESS CIRCUITRY BCD BCD SWITCH INPUTS gt OUTPUT DAC CONTROL LINES AC VERSION ONLY SENSOR SUPPLY 7 54 9K Oso 12 VDC Locic 60 mA 12V 5V 5V 12V 12V A A INPUT SIGNAL INPUT COMMON OVERVIEW The Model IFMA continuously monitors a frequency input and outputs a voltage or current signal in proportion to the input signal The output is accurate to 0 1 of full scale for Operating Modes 2 3 and 4 Operating Mode is accurate to 0 2 of full scale 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 LED also turns on 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 IFMA 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 Maximum Response Time parameter
14. UTPUT OPERATING RANGES 0to5V 0to 10 V Oto 20 mA and 4 to 20 mA e PROGRAMMABLE INPUT CIRCUIT ACCEPTS OUTPUTS FROM A VARIETY OF SENSORS e 85 to 250 VAC and 9 to 32 VDC POWERED VERSIONS AVAILABLE e LOW FREQUENCY CUT OUT AND OVERRANGE INDICATION e 3 WAY ELECTRICAL ISOLATION POWER INPUT OUTPUT e INPUT AND OUTPUT INDICATION LED s and UL Recognized Component File E137808 Current Sinking Internal 3 9 KQ pull up resistor for sensors with current sinking output Max sensor current 3 mA Low Bias Input trigger levels Vy 0 25 V V 0 75 V for increased sensitivity when used with magnetic pickups Hi Bias Input trigger levels Vy 2 5 V V 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 5 SIGNAL VOLTAGE OUTPUT Selectable 0 to 5 VDC 10 mA max 0 to 10 VDC 10 mA max SIGNAL CURRENT OUTPUT Selectable 0 to 20 mA 10 VDC min 4 to 20 mA 10 VDC min OUTPUT COMPLIANCE Voltage 10 V across a min 1KQ load 10 mA Factory calibrated for loads greater than 1 MQ Current 20 mA through a max 500Q load 10 VDC 8 ACCURACY 0 1 of full scale range 0 2 for 0 to 5 VDC range D N DIMENSIONS In inches mm 3 12 79 2 sNouomisni O SA faanaag i
15. a longer pause before repeating The first five digits are the existing input range setting of the frequency Step 2 1 magnitude The sixth digit is the frequency resolution the number of digits to the right of the decimal point Factory Setting Example Additional Example 1 blink 1 2 blinks 2 2 sec pause 2 sec pause single flash 0 5 blinks 5 2 sec pause Frequency 2 sec pause Frequency single flash 0 setting single flash 0 setting 2 sec pause 2 sec pause single flash 0 5 blinks 5 2 sec pause 2 sec pause single flash 0 single flash 0 2 sec pause 2 sec pause single flash 0 Resolution 2 blinks 2 Resolution 4 at pause 4 sec pause Frequency Resolution Frequency Resolution Pca er EB eerie Result 10 000 KHz Result 250 50 Hz If the existing Input Range setting is your desired requirement this section is complete Otherwise continue with Step 2 3 2 3 Apply the maximum input signal P R E F E R R E D 2 4 Press the push button The Green input LED blinks rapidly The acquisition process takes two seconds plus one period of the input signal M E T H m D If the new input range setting is valid the Green input LED turns on solid Continue to Step 2 5 If Red output LED blinks the new input range setting is invalid outside the acceptable 1 Hz to 25 KHz range Repeat Steps 2 3 and 2 4 2 5 Press the push button The Green input LED blinks the new Input Range setting This
16. al The PSAC measures 48 pulses gal with a maximum flow rate of 525 gal min The Maximum Response Time is set to setting 9 10 sec The chart recorder will record 0 VDC at 0 125 gal min and 10 VDC at 525 gal min The Input Range can be set one of two ways By entering the calculated maximum frequency with the rotary switch or by applying the maximum frequency signal of the process to the input of the IFMA To set the input with the rotary switch first determine the maximum frequency generated by the maximum output of the sensor using the following formula APLR 7 12V COMM 9 INPUT IFMA 12V g INPUT 5 comm unit measure x pulses unit seconds measure Max Freq Max Freq 526 GFMx48 PPG _ 420 Hz Set the Input Range with the rotary switch to 420 Hz
17. alibration values are restored when the Operating Mode is changed 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 the output desired see the list in Step 1 2 1 5 Press the push button The Green input LED blinks value entered pauses and repeats the new Operation setting Y Ko RY N KL SPF A gt l hs bees INS Zao A If the new Operating mode setting is acceptable this section is complete SS A pg Switch If the new Operating mode setting is not the desired setting repeat from Step 1 3 Key AX a O07 If the Red output LED blinks the rotary switch numerical value is invalid Repeat Steps 1 4 Le N S E and 1 5 Py a 7 aS aw CE Section complete place DIP switch 4 to the Down position for normal operation or change DIP Lee Step 1 4 Se g Salad switches 5 6 and 7 for the next Configuration Section 2 0 On Line Input Range Setting Using Actual Input Signal Or Frequency Generator 2 1 Place DIP switch 4 to the ON position and DIP switches 5 6 and 7 as shown 2 2 The Green input LED blinks the existing Input Range setting as shown in the examples below Six full digits of numerical information blink with a short pause between digits and
18. 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 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 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
19. e unit s configuration memory The IFMA automatically selects the proper calibration setting for the selected Operation mode The Minimum and Full Scale output values established at the factory can be changed using the calibration routines The Minimum output value can be adjusted to any value less than the Full Scale output value and the Full Scale value can be adjusted to any value greater than the Minimum value Changing the factory calibration settings does affect the accuracy of the unit Specified accuracy for modes 2 3 and 4 holds until the factory calibration range has been halved This does not apply to mode 1 since it already uses only half of the IFMA s output range When increasing the output range the new calibration settings can not exceed the factory Full Scale value by more than 10 The 0 to 5 VDC range can be doubled The IFMA can store user calibration settings for only one mode at a time If calibration is changed for one operating mode and the user then selects a different operating mode the unit reverts to factory calibration settings Calibration steps can be combined added to obtain a total calibration change This is done by repeated push button entries of the same value or different values before saving the change The calibration steps as shown in the table at right are approximations A current or volt meter should be connected to the appropriate output pins to verify the actual calibration setting Appro
20. electromagnetic field EN 61000 4 2 Electrostatic discharge ESD 2 EN 61000 4 4 Electrical fast transient burst EFT EN 61000 4 8 Power frequency magnetic field Notes 1 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 2 This device 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 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 AC VERS PROCESS AC SWITCHING SUPPLY CIRCUIT ISOLATED OUTPUT SUPPLY DC VERSION INPUT PROCESS SUPPLY DC SWITCHING CIRCUIT ISOLATED OUTPUT SUPPLY INPUT L
21. ibration is raised or lowered by this approximate value depending on calibration direction If this setting meets your requirements go to step 6 5 If more calibration is required repeat step 6 4 until the calibration meets your requirements If you overshoot your desired value reverse calibration direction as shown in 6 0 and continue calibration until the value meets your requirements 6 5 Turn the rotary switch to 0 and press the push button This saves the new user calibration setting If you want to return to factory calibration exit Calibration and then re enter Turn rotary switch to 0 and press push button twice This reloads the factory calibration setting for the selected mode of operation When calibrating the Minimum output value if the red output LED blinks while in the down direction the requested calibration setting is beyond the output s absolute minimum value The calibration setting is held at the absolute minimum value Reverse calibration direction and repeat from step 6 4 When calibrating Full Scale if the red output LED blinks while in the up direction the requested calibration setting is beyond the output s absolute maximum value The calibration setting is held at the maximum value Reverse calibration direction and repeat from step 6 4 If an attempt is made to calibrate the Full Scale value lower than the Minimum value or conversely the Minimum value higher than the Full Scale value the red outpu
22. 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 extremely high EMI 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 protection 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 FCORO000 TDK ZCAT3035 1330A Steward 28B2029 0A0 Line Filters for input power cables Schaffner FN610 1 07 RLC LFIL0000 Schaffner FN670 1 8 07 Corcom 1 VR3 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
23. le 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 G Rail Installation To install the IFMA 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 and away from the rail T Rail Installation To install the IFMA 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 A customer needs a unit to output a signal to a chart recorder for a flow rate system There is an existing APLR rate indicator receiving an input from a PSAC inductive proximity sensor The IFMA Frequency to Analog Converter is connected in parallel with the APLR to output the signal to the chart recorder The flow rate is measured in gal min and needs to be converted to a 0 to 10 VDC signal The Operating Mode of the IFMA is set for a 0 to 10 VDC output sign
24. t LED blinks and the IFMA sets the two values equal Reverse calibration direction and repeat from step 6 4 Calibration Example Scaling A customer using the 0 to 10 VDC output range of the IFMA wants the Minimum value to be at 1 VDC To do this connect a voltmeter to the output of the IFMA to monitor the output voltage Access Configuration Mode by placing DIP switch 4 to the ON up position Access Analog Output Minimum value by placing DIP switches 5 and 7 up and DIP switch 6 down Press the push button to enable changes to the calibration value Turn the rotary switch to position 8 and press the push button The voltmeter should reflect an increase of about 400 mV With the rotary switch still at position 8 press the push button again The voltmeter should now read approximately 800 mV Turn the rotary switch to a position lower than 8 to effect a smaller change in calibration Continue adjusting the rotary switch and pressing the push button until 1 VDC is displayed on the voltmeter Turn the rotary switch to position 0 and press the push button This action saves the new calibration setting for the Minimum value TROUBLESHOOTING For further technical assistance contact technical support at the appropriate company numbers listed INSTALLATION APPLICATION 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 profi
25. t for attachment to standard DIN style mounting rails including top hat profile rail according to EN 50 022 35 x7 5 and 35 x 15 and G profile rail according to EN 50 035 G 32 SAFETY SUMMARY All safety related regulations local codes and instructions that 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 SPECIFICATIONS 1 POWER AC Operation 85 to 250 VAC 48 to 62 Hz 6 5 VA DC Operation 9 to 32 VDC 2 5 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 From 0 Hz to 25 KHz user selectable 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 12 mA 12 V output A CAUTION Risk of electric shock N CAUTION Read complete instructions prior to installation and operation of the unit e SIMPLE ON LINE RANGE SETTING Using Actual Input Signal or Signal Generator e USER SETTABLE FULL SCALE FREQUENCY FROM 1 Hz to 25 KHz e FOUR O
26. ximate Calibration Increments ROTARY SWITCH VOLTAGE CURRENT 1 3 mV 5 pA 2 5 mV 10 pA 3 10 mV 25 pA 4 25 mV 50 pA 5 50 mV 100 pA 6 100 mV 200 pA 7 200 mV 400 pA 8 400 mV 800 pA Calibration Direction The default direction for calibration changes is up increasing values on entry to either calibration routine This direction can be toggled from within the routine with the following steps 1 Enter the calibration routine you wish to change Minimum or Full Scale 2 Press the push button The Green input LED blinks rapidly 3 Turn the rotary switch to position 9 Press the push button 4 The Output LED indicates the direction of calibration OFF Increasing Value ON Decreasing Value Analog Output Minimum Value Analog Output Full Scale Value 6 1 Connect a current or voltmeter of appropriate accuracy to the desired output pins voltage or current 6 2 Place DIP switch 4 to the ON position and DIP switches 5 6 and 7 as shown The Green input LED blinks slowly 6 0 Calibration Cont d ROTARY SS I li yy N 907 ko wr 9 GX Setting 9 Selected 6 3 Press the push button to enable the rotary switch The Green input LED now blinks at a faster rate indicating that calibration values are accessible 6 4 Turn rotary switch to appropriate numerical setting for calibration see list in Step 6 0 while monitoring the output signal Press the push button Cal
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