rc102 user manual
Contents
1. 2 INPUTS 1 0 1 2 3 30 VDC from Proximity switches Encoders Potential free contacts Limit switches etc SENSOR SUPPLY In built 12 VDC 410 30 mA INPUT SPEED 1 30 Hz 2 2 5 kHz CONFIGURATION LOCK via rear terminals RESET 1 On front panel 2 Remote reset via rear terminals MEMORY RETENTION 10 years SUPPLY VOLTAGE 90 to 270 VAC DC 50 60 Hz OPERATING TEMP Operating 0 50 C Storage 0 to 50 C HUMIDITY 95 RH HOUSING Flame retardant plastic WEIGHT 250 gms PANEL DIMENSIONS dimensions in mm k 96 gt 1 Panel i Description Terminal Short to select NPN sensor 1 2 Short to select PNP sensor 2 3 Count input 2 12V supply 4 COM GND 6 Reset input 5 6 Short to Filter input noise 6 7 Short to enter configuration 9 10 Live Neutral L N INPUT CONNECTIONS PNP proximity sensor NOTE For PNP sensor input short terminals 2 amp 3 NPN proximity sensor sen cee EST GOM Short 1 amp 2 NOTE For NPN sensor input short terminals 1 amp 2 scsi free contact CNT i 412V RST COM Short 2 amp 3 NOTE Short terminals 2 amp 3 pae 123 k 92 gt Sensor color codes Red 12V Green CNT Black GND Baer Brown 12V Black CNT Blue GND TERMINAL CONNECTION SENSOR SELECTION NPN PNP Short to filter input noise 12V RST com FILTER CONFIG i NOTE In some a2. OPERATING INSTRUCTIONS RC102C Please maintain these instructions and review them prior to using the unit awarniea 1 This unit is panel mounted type with its output terminals getting connected to the host equipment Such equipment shall also comply with basic EMI EMC and safety requirements like BSEN 61326 1 and BSEN 61010 respectively 2 To avoid electric shock power supply of the unit should be kept off while wiring Wiring should be done strictly as per the terminal layout given in the manual 3 Use lugged terminals to meet M3 5 screws 4 The unit does not have a built in fuse External fuse with a rating of 275 VAC 1A is recommended ACaution 1 This unitis notintended for outdoor use 2 The power connection cable must have a cross section of atleast 1mm and insulation capacity of atleast 1 5kV 3 The output connections must not be loaded beyond the specified values range 4 Avoid inflow of dust and contact of conductive material with the internal circuitry of the unit 5 The unit must not operate in presence of heating sources caustic vapors oil steam vibration orimpactetc 6 Use clean soaked cloth cleaning SPECIFICATIONS DISPLAY Type 7 segment LED Height 0 5 Counter 6 digits Rate 4 digits RANGE Counter 9999 99 99999 9 amp 999999 Rate Auto ranging 4 00 to 9999 RPM ACCURACY Rate 0 05 2 count SCALE FACTOR Programmable from 0 00001 to 9 99999x10 n 3
3. no 9 amp 10 3 Turn power on TO READ SCALE FACTOR RESOLUTION amp SPEED NAME DESCRIPTION KEY PRESS MOMENTARY DISPLAY Scale Factor Mantissa Scale Factor Exponent Totaliser Least Count Maximum Input Speed NOTE Maximum display time is 3 sec If the key is pressed again within 3 sec of previous key press display shows next parameter otherwise it shows rate or total as per selection TYPICAL APPLICATION Objective To display a The total length of cord in meters that has passed over the measuring wheel b The delivery rate of cord meters minute Data available The proximity switch generates 1 pulse revolution of the measuring wheel The diameter of the wheel is 10cm Cae a TOTAL g RC102 selec Switch Calculations Circumference of the wheel 3 14285 x 0 1 0 314285m Therefore the length of rope delivered per revolution is 0 314285m Since the proximity switch gives one pulse per revolution the display should increment by 0 314285 for every pulse Therefore scale factor 0 314285 Set scale factor mantissa 3 14285 amp exponent 10 The RC102C will show rate in meters minute amp total in meters Example 2 If 60 PPR encoder is fitted instead of proximity Length of rope delivered per revolution is 0 314285m Number of pulses per revolution 60 Length of rope delivered pulse 0 314285 60 0 005238m The display should increment b
4. on unit will go into configuration setting mode To quit configuration setting mode 1 Turn power off 2 Remove link between terminal nos 9 amp 10 3 Turn power on Document name Operating 0809 RC102C ver3 OP191 V03 Page 1 of 2 _ CONFIGURATION SCHEME To enter configuration short terminals 9 amp 10 and turn the power on Configure the unit as per the instructions below 1 To select scale factor mantissa KEY PRESS DISPLAY DESCRIPTION E facto Set between E i0000 0 00001 to 9 99999 as described below The blinking digit increments by 1 for every press of the Q key amp rolls over from 9 to 0 The blinking digit shifts to next digit right for every press of key Using these keys user can set the required value 2 Press R T key to select scale factor exponent cale factor m exponent U Press Q Press a Press a Press a Press a 3 Press R T key to select totaliser resolution resolution 10 100 10 0 001 10 0 01 10 0 1 Least count 1 Least count 0 1 Press Q Least count 0 01 Press Q 4 Press R T key to select max input frequency pax Fed E 2500 F Fast peed frequency maximum 2500 hz Slow speed Press Q 2 38 j maximum 30 hz 5 Press R T key to complete setting display will go to step 1 scale factor mantissa setting To quit configuration 1 Turn power off 2 Remove link between terminal
5. pplications the proximity sensors may pick up high frequency noise form nearby switching circuits like AC DC drive Due to this the counter may show erroneous reading Short terminals 6 7 for RC102C as shown in figure above to filter out high frequency spurious pulses by limiting the input frequency to about 200Hz 1200 RPM RATE OR TOTAL DISPLAY MODE a The RC102C toggles between RATE display and TOTAL display at the momentary press of R T key In rate mode RATE LED glows amp in totaliser mode TOTAL LED glows selec te oww RATE press key momentary 23 456 DO at Rc102 TOTAL RESETTING THE RC102C A By front key Press R T key continuously for 3 sec The totaliser resets to zero and starts counting again and the display shows the rate or total as per selection B Remote reset The RC102C can be reset from a remote push button as shown in the figure below Reset by potential free switch CNT 12V RST COM INITIALISATION Switch off the power Short terminal no 9 amp 10 Press key at the time of turning the power on The key must continue to remain pressed for another 3 sec When this sequence is correctly performed the unit initialises and all parameters are set to factory settings Scale factor changes to 1 mantissa 1 0000 amp exponent 10 1 Resolution 1 Maximum input frequency 2500 Hz Totaliser resets to 0 After initialisati
6. y 0 005238 for every pulse Therefore scale factor 5 23800 x 10 Set scale factor mantissa 5 23800 amp exponent 10 for the required display Specifications subject to change as development is a continuous process Selec Controls Pvt Ltd India Formerly Selectron Process Controls Pvt Ltd Tel 91 22 28476443 Fax 91 22 28471733 Website www selecindia com E mail sales selecindia com Document name Operating 0809 RC102C ver3 OP191 V03 Page 2 of 2
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