OPERATING INSTRUCTIONS
Contents
1. Please maintain these instructions and review them before using the unit AWarning 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 screws 4 The unit does not have a built in fuse External fuse with a rating of 275VAC 1A is recommended ACaution This unit is not intended 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 or impact etc 6 Clean the equipment with a clean soft cloth do not use any organic cleaning agent Care must be taken to avoid entry of water into the circuitry through the ventilation holes OPERATING INSTRUCTIONS Specifications RC2108 DISPLAY 4 digits 0 5 height red 7 segment LED SUPPLY VOLTAGE 90 to 270V AC DC 24V AC DC RATE MODE RPS R2. PM RPH programmable RANGE 4 to 9999 RPM INPUTS 3 30 VDC from Proximity switches PNP Encoders Potential free contacts Limit switches etc SETPOINTS 2 Low alarm and High alarm SCALE FACTOR Programmable from 0 001 to 9 999 x 10 n 0 1 2 3 2 1 MAXIMUM INPUT SPEED 3 5kHz LED INDICATION Low alarm status High alarm status ACCURACY 0 05 SENSOR SUPPLY 12 VDC 10 30 mA Short circuit protected CONFIGURATION LOCK via rear terminals OUTPUT 1 C O each for high and low alarm HOUSING Flame retardant plastic OPERATING TEMP Operating 0 to 50 C Storage 20 to 75 C HUMIDITY 95 RH WEIGHT approx 200 gms Overall Dimensions Bii lt 2 Panel Cutout 69 gt Terminal Connections Short for Config GIGIOTOIOI De O o o Qel RELAY1 RELAY2 Terminal Description 1 12VDC sensor supply 2 Count input 4 GND 4 5 Short to enter configuration 7 8 9 NO COM NC of relay1 low alarm 10 11 12 NO COM NC of relay2 high alarm L N Live Neutral Input connection for proximity sensor With PNP sensor With NPN sensor LOl l l 1 1 12V 1K CNT NPN Note Sensor color codes Red gt 12V Green gt CNT Black gt GND Brown gt 12V Black gt CNT Blue gt GND Setting numerical values indicates blinking
3. digit The blinking digit increments by 1 for every press of the key and rolls over from 9 to 0 The blinking shifts to the next digit right for every press of key Using these keys user can set the required value CONFIGURATION SCHEME parameter setting To enter configuration scheme 1 Short terminal no 4 amp 5 2 Turn power ON 3 Program configuration setting as per instructions below 1 To select scale factor mantissa Default 1 000 Display Scale factor mantissa Set between 0 001 to 9 999 as described above man wu 2 Press G key to select scale factor exponent Default 0 Scale factor exponent Press Press 10 100 Press 10 0 001 Press 10 0 01 PressQ g 10 0 1 NOTE dp indicates ve sign 3 Press key to select Power ON delay Default 000 uuu Power ON delay If alarm condition is present at power ON the alarm output will be activated only after the time set as Power ON delay Power ON Delay 000 to 999 sec Document name Operating 1007 RC2108 version 3 OP 114 V03 Pg 1 of 2 E Display Description 4 Press G key to select Alarm delay Default 000 000 to 999 sec Alarm Delay dp indicates Alarm delay Power ON delay When alarm condition occurs the alarm output will be activated only after the time set as alarm delay Note At Power ON the higher of the two delay values is considered 5 Press B key to s
4. elect Hysteresis Default 05 00 to 99 least Hysteresis counts 5 U Low Alarm is activated when Rate lt LA value It turns off when Rate gt LA value Hysteresis High Alarm is activated when Rate gt HA value It turns off when Rate lt HA value Hysteresis 6 Press G key to select Resolution Default 1 Resolution Press Press Press amp 7 Press key to select Mode Default 1 RPM Mode Press Press 8 Press O key to select Reset all m Reset all 8 J Press key to complete configuration No Action Press No Action Press No Action Press No Action Press No Action Press No Action u xf xf x By pressing O key now all parameters will reset to factory settings and display will go to step 1 scale factor mantissa setting All parameter values Press 1638 p l set to factory setting E To quit configuration 1 Turn power off 2 Remove link between terminal no 4 amp 5 3 Turn power on If terminal no 4 amp 5 are shorted at power on rate indicator will go in to the configuration mode To quit configuration setting mode turn power off remove link between 4 amp 5 amp switch power on Note 1 If input speed is above the indication range display indicates 1 in the MSD position 2 If input speed is below the indication range display indicates 0 TO SET ALARMS Press for 3sec to set Low Alarm va
5. lue Default 0000 Q00QA Low Alarm value The blinking digit increments by 1 for every press of the key amp rolls over from 9 to 0 The blinking shifts to next digit right for every press of key Using these keys user can set the required value Press key to enter the Low Alarm value amp come out of programming for Low Alarm Press for 3sec to set High Alarm value Default 9999 High Alarm value 9999 The blinking digit increments by 1 for every press of the key amp rolls over from 9 to 0 The blinking shifts to next digit right for every press of key Using these keys user can set the required value Press key to enter the Low Alarm value amp come out of programming for Low Alarm NOTE High Alarm value should always be greater than the Low Alarm value If high alarm value is set lower than the low alarm value or vice versa the unit will not come out of alarm programming till the values are corrected TO READ ALARMS Key press i Name q9 High Alarm value NOTE Maximum display time is 3 sec TYPICAL APPLICATION Objective To display the delivery rate of the cord meters minute Data available Example 1 Diameter of the measuring wheel 10cm The proximity switch generates 1 pulse rev of the measuring wheel selec RC2108 zo o5 Low HIGH ba D Calculations Circumference of the wheel 3 142857 x 0 1 0 3142857m The
6. refore the length of the rope delivered revolution is 0 3142857m Since the proximity switch gives 1 pulse revolution the display should increment by 0 3142857 for every pulse Therefore scale factor 3 142857 x 10 Set scale factor mantissa 3 14285 Exponent 10 The RC2106 will show rate in meters minute Example 2 In the same application if 60 PPR encoder is fitted instead of proximity switch then a The length of rope delivered per revolution is 0 3142857m b The number of pulses revolution 60 c Length of rope delivered count pulse 0 3142857 60 0 005238m The display should increment by 0 005238 for every pulse Therefore scale factor 5 23800 x 10 Set scale factor mantissa 5 23800 Exponent 10 for required display Selec Controls Pvt Ltd Specifications are subject to change since development is a continuous process Telephone 91 22 40394200 40394202 Fax 91 22 28471733 Toll free 1800 227 353 Website www selec com Email sales selec com Operating 1010 RC2108 0P114 V03 Page 2 of 2
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