ENDA EPA742 Quick Start Manual

Read this document carefully before using this device. The guarantee will be expired by device demages 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 EPA742 Programmable AC/DC Ammeter
Thank you for choosing ENDA EPA742 programmable AC/DC ammeter.
72 x 72mm sized.
4 digits display.
5A/60 mV , CT20/30 current transformer or 1A input feature (Please Specify at Order).
Measuring type can be selected as AC, DC or True RMS.
Programmable scale range between 5A and 9999A.
Multifunctional alarm output (NO) for upper and lower limits (Optional).
0-20mA, 4-20mA, 0-10V or 1-5V output selection (Optional - Specified devices with output type as 'A' only).
Three-way isolation architecture between input, output and supply.
Communication feature over isolated Modbus RTU protocol (Optional).
Keylock feature.
CE marked according to European Norms.
CT20/30 should be ordered separately when required.
Order Code : EPA742
1
2 - Input Type
1 - Supply Voltage
UV....90-250V AC CT...........................CT20/30
Current Transformer input OR 60mV.
X1...........................1A
LV......10-30V DC /
8-24V AC Default (Blank)......5A or 60mV.
EPA742-UV
Input Type
EPA742-UV-CT : CT20/30 current transformer or 60mV
EPA742-UV-X1 : 1A
If input type is 5A / 60mV, scale 0A...9999A : ( Specified by
If input type is 1A, scale 0A...9999A : ( Specified by
AC
and
If input type is CT20/30 / 60mv :
RMS
If ityp = Ct20 , 0A...300A or Ct30 , 0A...120A ( Specified by turn parameter. i.e : scale is
If ityp = 5Hnt , 0A...9999A (
Scale
If input type is 5A / 60mV, scale : -999A...9999A (
If input type is 1A, scale : -999A...9999A (
DC
If input type is CT20/30 / 60mV :
If
Sensitivity 0.002A x
±
AC/RMS %1
Accuracy
±
DC %1
Input type 60V
Input type 1A
Input Range
Input type 5A
Input type CT20/30 ; 0 ... 150 mA
Input Impedance 20kΩ for 60mV Input, 90mΩ for 1A Input, 12mΩ for 5A Input, 600mΩ for CT20/30 Input.
Frequency Range DC , 20Hz - 70Hz
Supply 90-250V AC 50/60Hz ;10-30V DC / 8-24V AC 50/60Hz SMPS
Power Consumption Max. 7VA
Wiring 2.5mm² screw-terminal connections
EMC EN 61326-1: 2013
Safety Requirements EN 61010-1: 2010 (Pollution degree 2, overvoltage category II)
Output
Relay : 250V AC, 8A (for resistive load), NO
0-20mA DC, or 4-20mA DC
Analog Output
0-10V DC or 1-5V DC,
0 ... +50°C/-25 ... 70°C (should be no icing or condensation in the environment)
Ambient/Storage Temperature
Max. Relative Humidity 80
Rated Pollution Degree
IP20 According to EN 60529
Height Max. 2000m
KEEP AWAY device from exposed to corrosive, volatile and flammable gases or liquids and DO NOT USE the device in similar hazardous locations.
Housing Type Suitable for EN60715 Standards, TH35 rail type.
Dimensions W72xH72xD94mm
Weight Approx. 350g (after packing)
Enclosure Material Self extinguishing plastics.
Avoid any liquid contact when the device is switched on.
DO NOT clean the device with solvent (thinner, gasoline, acid etc.) and / or abrasive cleaning agents.
SİSEL MÜHENDİSLİK ELEKTRONİK SAN. VE TİC. A.Ş.
Şerifali Mah. Barbaros Cad. No:18
ÜMRANİYE/İSTANBUL-TURKEY
Tel : +90 216 499 46 64 Pbx.
url : www.enda.com.tr
3
2 4
3 - Output
R..........08A Relay
: 5A or 60mV
Specified by c. t r. r parameter. i.e : scale is 0A...5A for c. t r. r = 5
DC measurement can not be performed by using CT.
( Specified by c. t r. r parameter. i.e :
ityp = 5Hnt , scale : 0A...9999A
c. t r. r ( i.e. : 0.01A for c. t r. r = 5 )
(full scale) (± 2% For square wave form)
(full scale)
; -60mV...60mV
; -1A...1A
; -5A...5A

ELECTRICAL CHARACTERISTICS

±0,5 % ( Load resistance for current outputs Max. 500Ω ).
Max. 10mA. ±0,5%

ENVIRONMENTAL CONDITIONS

% Relative humidity for temperatures up to 31
Y.Dudullu 34775
Fax : +90 216 365 74 01
4 - Isolated Modbus
RSI........RS485 Modbus Available
( Specify at order)
INPUTS
c. t r. r parameter. i.e : scale is 0A...5A for
c. t r. r parameter. i.e : scale is 0A...1A for
Specified by c. t r. r parameter. i.e : scale is
Specified by c. t r. r parameter. i.e : scale is
scale is -5A...5A for
( Device may be damaged at 50V and above voltages )
( Device may be damaged at 2A and above currents )
( Device may be damaged at 10A and above currents )
OUTPUTS
(Mechanical 30.000.000; Electrical 100.000 operation. 250V AC, 8A (resistive load).
( Short circuit protected ).
°C, decreasing linearly to 50% at 40°C

HOUSING

1/5
EPA742
0. 0 00
OUT
SET
ENDA
c. t r. r
c. t r. r = 1
0A..300A / 0A..120A for turn = 1 )
)
-5A...5A for c. t r. r = 5 )
-1A...1A for c. t r. r = 1 )
c. t r. r =5 )
(should be no icing or condensation in the environment).
DC
AC AC/DC
LOCK
PROGRAMMABLE AC/DC AMMETER
= 5 )
)
ENDA TM
EPA742-EN-05-220103