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Read this document carefully before using this device. The guarantee will be expired by damaging of the device if you don't attend to the directions in the user manual. Also we don't accept any compensations for personal injury, material damage or capital disadvantages. ENDA EPA241 PROGRAMMABLE AC/DC AMMETER Thank you for choosing ENDA EPA241 programmable AC/DC ammeter. * 35 x 77mm sized. * 4 digits display. * Easy to use by front panel keypad. * Can be used with current transformer or shunt. * Programmable scale between 5A and 9999A. * Multifunctional alarm output (NO+NC) for upper and lower limits. * CE marked according to Europan Norms. * Measuring type can be selected AC, DC or True RMS OUT AC DC ACDC A SET ENDA Order Code: EPA241- - 1 2 1 - Input Type S.........Internal Shunt Resistor None...External Shunt Resistor EPA 241 3 4 2 - Output R.........Relay None...No Relay 3 - Supply Voltage 230VAC...230V AC 24VAC.....24V AC SM...........9-30V DC / 7-24V AC 4 - ModBus RS...ModBus (optional) Ammeter with current transformer used to provide isolation of the ModBus communication. Technical Specifications ENVIRONMENTAL CONDITIONS Ambient/stroge temperature Max. Relative humidity Rated pollution degree Height 0 ... +50°C/-25 ... 70°C 80% up to 31°C decreasing linearly 50% at 40°C. According to EN 60529 Front panel : IP65 , Max. 2000m Rear panel : IP20 Do not use the device in locations subject to corrosive and flammable gases. ELECTRICAL CHARACTERISTICS Supply Power consumption Wiring Scale Sensitivity Accuracy Input Range 230V AC +10% -20%, 50/60Hz or 24V AC ±10% , 50/60Hz or optional 9-30V DC / 7-24V AC ±10% SMPS Max. 5VA 1.5mm² screw-terminal connections 0A...9999A (Specified c.tr.r parameter. For example:scale is 0A...5A for c.tr.r=5.00) AC and RMS -999A...9999A (Specified c.tr.r parameter. For example:scale is -5A...5A for c.tr.r=5.00) DC 0.002A x c.tr.r ( For example , 0.01A for c.tr.r=5.00 ) (full scale) (± 2% For square wave form ) ± 1% AC ± 1% (full scale) DC ± 1% (full scale) (± 2% For square wave form ) RMS EPA241Sxx -5A...5A (Device breaks down at more than 10A peak and more current.) EPA241xx -60mV...60mV (Device breaks down at more than 50V peak and more voltage.) Input impedance EPA241Sxx EPA241xx Frequency Range EMC Safety requirements DC , 10Hz - 200Hz 12mΩ 40kΩ (For square wave form 10Hz-70Hz) EN 61326-1: 1997, A1: 1998, A2: 2001 (Performance criterion B for the EMC standard) EN 61010-1: 2001 (Pollution degree 2, overvoltage category II) OUTPUTS Alarm output Life expectancy for relay Relay: 250V AC, 8A (for resistive load), NO+NC Mechanical 30.000.000 ; Electrical 100.000 operation. HOUSING Housing type Dimensions Suitable for flush-panel mounting. Weight W77xH35xD71mm EPA241 Approx. 250g (after packing) EPA241-24 Approx. 250g (after packing) Enclosure material Self extinguishing plastics. While cleaning the device, solvents (thinner, benzine, acid etc.) or corrosive materials must not be used. SİSEL MÜHENDİSLİK ELEKTRONİK SAN. VE TİC. A.Ş. Yukarı Dudullu Barbaros Cad. Kutup Sok. No:20 34775 - ÜMRANİYE/İSTANBUL/TÜRKİYE Tel : +90 216 499 46 64 Pbx. Fax : +90 216 365 74 01 url : www.enda.com.tr 1/3 EPA241-E-03 Dimensions Depth 61mm AC DC 5mm ACDC 35mm OUT UP.l1 + HYS.U UP.l1 - HYS.U UP.l1 A Note : 1) Panel thickness should be maximum 7mm. 2) If there is no 60mm free space at the back side of the device, it would be difficult to remove it from the panel. SET ENDA Input To remove the device from panel: - While pushing the the flushmounting clamp in direction 1,pull out it in direction 2. 77mm EPA 241 Panel Flush mounting clamp Rubber packing 2 Fuse F 100mA 250V AC SUPPLY: Panel cut-out 71mm LO.l1 LO.l1 - HYS.L t 5 Line 6 Neutral Switch 29mm dly.U dly.l t Out A.out=n.c. t Cable Size: 1,5mm²; Fuse should be connected. Equipment is protected throughout by DOUBLE INSULATION Holding screw 0.4-0.5Nm. Connection Diagram dly.l A.out=n.o. 230V AC Supply Not: 1) Mains supply cords shall meet the requirements of IEC 60227 or IEC 60245. 2) In accordance with the safety regulations, the power supply switch shall bring the identification of the relevant instrument and it should be easily accessible by the operator. 1 dly.U Out NOTE : 184-253V AC 50/60Hz 5VA LO.l1 + HYS.L ac dc A 1 2 0.000 Ac.dc (rms) A 0 T/2 3T/2 T 2T A 1 2 -A ENDA EPA241 is intended for installation in control panels. Make sure that the device is used only for intended purpose. The electrical connections must be carried out by a qualified staffand must be according to the relevant locally applicable regulations. During an installation, all of the cables that are connected to the device must be free of electrical power. The device must be protected against inadmissible humidity, vibrations, severe soiling. Make sure that the operation temperature is not exceeded. The cables should not be close to the power cables or components. A 0 T/2 T 3T/2 T/2 T 3T/2 0.308 A A 2 A 1 2 0.386 A A1 A 1 2 A 0.000 A A 1 2 A 1 2 A 1 2 2T p A ENDA INDUSTRIAL ELECTRONICS EPA241-S-230VAC PROGRAMMABLE AC/DC AMMETER SN: XXXXXXXXX 8 680407 703920 ENDA INDUSTRIAL ELECTRONICS EPA241-S-230VAC-RS PROGRAMMABLE AC/DC AMMETER CAT II Made in Turkey 1 2 3 4 5 6 7 + 8 9 ENDA INDUSTRIAL ELECTRONICS EPA241-S-R-230VAC PROGRAMMABLE AC/DC AMMETER CAT II 10 SN: XXXXXXXXX 8 680407 703944 2 3 4 5 6 7 8 PROGRAMMABLE AC/DC AMMETER Made in Turkey 1 2 3 4 5 6 COM. A 7 8 9 ENDA INDUSTRIAL ELECTRONICS EPA241-S-24VAC PROGRAMMABLE AC/DC AMMETER 10 11 12 SN: XXXXXXXXX 8 680407 703968 1 2 + 9 10 11 12 1 2 3 4 4 5 6 COM. A 7 8 Max. 5A AC / DC 9 EPA241-S-24VAC-RS PROGRAMMABLE AC/DC AMMETER 0 T T/2 3T/2 2T + B -A 10 11 12 A SN: XXXXXXXXX 0 T/2 8 680407 703975 3T/2 T 2T CAT II Max. 5A AC / DC 24V AC +10% 50/60Hz 5VA Made in Turkey p A Made in Turkey ENDA INDUSTRIAL ELECTRONICS CAT II Max. 5A AC / DC 3 0 8 680407 703951 CAT II + B SN: XXXXXXXXX OUTPUT 250V AC 8A 230V AC +10% -20% RESISTIVE LOAD 50/60Hz 5VA Max. 5A AC / DC 230V AC +10% -20% 50/60Hz 5VA Made in Turkey OUTPUT 230V AC +10% -20% 250V AC 8A RESISTIVE LOAD 50/60Hz 5VA 1 11 12 8 680407 703937 ENDA INDUSTRIAL ELECTRONICS EPA241-S-R-230VAC-RS CAT II Max. 5A AC / DC 230V AC +10% -20% 50/60Hz 5VA SN: XXXXXXXXX 5 6 7 + 8 9 10 11 12 Max. 5A AC / DC 24V AC +10% 50/60Hz 5VA Made in Turkey COM. A A + B 0 1 2 3 4 5 6 7 8 9 10 A d d 2T T 11 12 d T d2 2 T A d T A d T A 0 T/2 T 3T/2 2T A 1 3 0.000 A 1 3 -A 2/3 EPA241-E-03 EPA241 PROGRAMMING DIAGRAM OUT OUT AC DC DC ACDC RMS A A SET SET Increment key Used for increasing the setpoint value and changing parameters. When held down for a few seconds, configured numeric value increases faster. . Decrement key Used for decreasing the setpoint value and changing parameter. When held down for a few seconds, configured numeric value decreases faster. SET ENDA ENDA Programming key EPA 241 EPA 141 SET ADJUSTING THE ALARM VALUE SET By using & Measured Value Used for displaying and configuring the selected parameter value. If this key is pressed, upper limit value appears. If both keys are pressed, upper limit value can be adjusted. and keys, upper limit value can be adjusted between lower scale and upper scale that is specified with c.t.r.r parameter.This parameter can’t be lower than (lo.l1 + HYS.l + HYS.U ) value. & SET SET By using & If both & keys, lower limit value can be adjusted between lower scale and upper scale that specified with c.t.r.r parameter.This parameter If this key is pressed, lower limit value appears. If both keys are pressed, lower limit value can be adjusted. and can’t be higher than (UP.l1 - HYS.U - HYS.L ) value. keys are pressed and held for 3 seconds,programming mode is entered.If value mode. & keys are pressed while parameter names are displayed,then it returns to measured PROGRAMMING MODE SET By using If this key is pressed, upper limit value appears. Upper limit value SET Hysteresis value for upper limit and SET If key is pressed, it returns to parameter name. By using c.tr.r If this key is pressed, hysteresis value for upper limit appears. and If ) value. key is pressed, it returns to parameter name. By using and 900 seconds. If If this key is pressed, delay time for upper limit appears Lower limit value SET keys, hysteresis value for upper limit can be adjusted between 0 and /20.This parameter can’t be higher than ( Up.l1 - Lo.l1 - Hys.l SET Delay time for upper limit alarm SET keys, upper limit value can be adjusted between minimum and maximum scale that is specified with c.t.r.r parameter.This parameter can’t be lower than (lo.l1 + HYS.l + HYS.U ) value. By using keys, delay time for higher limit alarm can be adjusted between 0 and SET key is pressed, it returns to parameter name. and keys, lower limit value can be adjusted between lower scale and upper scale that specified with c.t.r.r parameter.This parameter can’t be higher than (UP.l1 - HYS.U - HYS.L If this key is pressed, lower limit value appears. If key is pressed, it returns to parameter name. Hysteresis value for lower limit SET By using c.tr.r If this key is pressed, hysteresis value for lower limit appears. and If key is pressed, it returns to parameter name. By using If key is pressed, it returns to parameter name. By using and keys, alarm output state can be adjusted to n.o. or N.c. If it is adjusted to no output relay is powered at alarm condition. SET Current transforming rate SET If By using Measuring type SET key is pressed, it returns to parameter name. keys, current transforming rate can be adjusted between 5.00(/5) and ACdC By using and keys, measuring type can be adjusted to ac , dc or acdc.Three leds at the top of the display show measuring type. SET If this key is pressed, measuring type appears. * and 9999(/5).If this parameter changes, upper limit value is set to maximum scale ,minimum limit value is set to minimum scale and SET hysteresis If key is pressed, it returns to parameter name. values are set to 0. If this key is pressed, current transforming rate appears. SET keys, delay time for lower limit alarm can be adjusted between 0 and SET Alarm output position If this key is pressed, alarm output state appears. * and 900 seconds. If this key is pressed, delay time appears for lower limit appears. SET keys, hysteresis value for upper limit can be adjusted between 0 and /20.This parameter can’t be higher than ( Up.l1 - Lo.l1 - Hys.U ) value. SET Delay time for lower limit alarm SET * ) value. SET If key is pressed,it returns to parameter name. Decimal point position By using and keys decimal point state can be adjusted according to value of the c.t.r.r parameter. If c.t.r.r parameter is lower than 10, measured value can be shown (0.00) or (0.0), If it is between 10 and 100 If this key is pressed, decimal point position appears. SET measured value can be shown (0.0) or (0)If it is higher than 100, measured value can be shown (0). SET Sampling time measurement value * Optn If 4 SET If this key is pressed, sampling time measurement value appears ** Adrs key is pressed, it returns to parameter name. Sampling time of the measurement value is shown on the screen. If the 1 selected;sampling time of the measurement is 250ms, If 2 is selected,it is 500ms.If 3 is selected, it is 750ms.If 1 is selected,it is 1 second. If key is pressed, it returns to parameter name. SET If this key is pressed, address of the device appears. 1 By using and keys, address of the device can be adjusted between 1-247. SET If key is pressed, it returns to parameter name. 3/3 EPA241-E-03 SET **baud 1200 By using and keys, baudrate value of the device can be adjusted to OFF,1200,2400,4800,9600,19200. SET When this key is pressed baudrate is seen. If key is pressed,it returns to parameter name. (*) There are only ct.r.r.,tYPE,d.pnt and optn parameters in the devices those have no relay. (**)The AdrS and baud parameters are only in the devices those have modbus. If any key is pressed in 25 seconds or the device is powered down and powered upş,then it returns to operation mode. NOTE: If key is held down while the device is powered up, the d.PAr message will appear and the factory settings will be restored. ERROR MESSAGES Means, measured current value is higher than maximum scale. Means, measured current value is lower than minimum scale. ENDA EPA241 DİJİTAL AMPERMETER MODBUS PROTOCOL ADDRESS MAP 1.1 HOLDING REGISTERS Holding Register Addresses Data Content Data Type Parameter Name Read/Write Permission Status Value Decimal Hex 0000d 0x0000 word The upper limit of the setpoint uPL1 Readable/Writable 5.0 0001d 0x0001 word The upper limit of the hysteresis value HYSU Readable/Writable 0.10 0002d 0x0002 word Delay time for the upper limit alarm dlyU Readable/Writable 0 0003d 0x0003 word The lower limit of the setpoint LoL1 Readable/Writable 0 0004d 0x0004 word The lower limit of the hysteresis value HYSL Readable/Writable 0.10 0005d 0x0005 word Delay time for the lower limit alarm dLyl Readable/Writable 0 0006d 0x0006 word Current replacement rate ctrr Readable/Writable 5 0007d 0x0007 word Measurement method (0=AC,1=DC,2=ACDC) type Readable/Writable aCdC 0008d 0x0008 word Decimal point. (0=X.XX,1=X.X,2=X) dpnt Readable/Writable X.XX 0009d 0x0009 word Sampling time of the measurement value.If 1 is selected,it is 250ms.If 2 is selected,it is 500ms.If 3 is selected,it is 750ms. If 4 is selected,it is 1 second. Device address for RS485 network connection. Adjustable between 1-247. OPTN Readable/Writable 4 aDRS Readable/Writable 1 Baudrate (0=Off;1=1200;2=2400; 3=4800; 4=9600; 5=19200) BAUD Readable/Writable oFF 0010d 0x000A word 0011d 0x000B word *Holding Register Parameter Table (No Relay Models) 0000d 0x0000 word Current replacement rate ctrr Readable/Writable 5 0001d 0x0001 word Measurement method (0=AC,1=DC,2=ACDC) type Readable/Writable aCdC 0002d 0x0002 word Decimal point. (0=X.XX,1=X.X,2=X) dpnt Readable/Writable X.XX 0003d 0x0003 word Sampling time of the measurement value OPTN Readable/Writable 4 0004d 0x0004 word Device address for RS485 network connection. Adjustable between 1-247. aDRS Readable/Writable 1 0005d 0x0005 word Baudrate (0=Off;1=1200;2=2400; 3=4800; 4=9600; 5=19200) BAUD Readable/Writable 9600 1.2 INPUT REGISTERS Input Register Addresses Decimal Hex Data Type 0000d 0x0000 word Data Content Measured current value Parameter Name Read/Write Permission -- Only Readable Parameter Name Read/Write Permission -- Only Readable 1.3 DISCRETE INPUTS Discrete Input Addresses Decimal 00d Hex 0x00 Data Type Bit Data Content Relay output state (0=OFF; 1=ON) 1.4 COILS Coil Addresses Decimal 00d Hex 0x00 Data Type Bit Data Content Alarm output state (0=no; 1=nc) Parameter Name Aout Read/Write Permission Status Value Readable/Writable *Coil and Discrete input parameters are not available in the devices those have no relay 4/4 EPA241-E-03
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