Installation and Operating Instructions
Contents
1. EE Installation and Operating Instructions Three phase Digital Energy meters BASIC Connection through CT 5 A till 10 000 5 A IISTO66 01 Stand 13 03 2012 with additional partial active energy counter resettable and inbuilt communication Modbus RTU 2 tariff Code Description AD3 5BIG three phase digital energy meter with connection by CT 5 A up to 10 000 5 A 0 05 5 6 A 2 tariff and inbuilt communication Modbus RTU AD3 5MBIC three phase digital energy meter with connection by CT 5 A up to 10 000 5 A 0 05 5 6 A 2 tariff and inbuilt communication Modbus RTU with MID certified A WARNING The Autometers range of DIN rail mounted meters should only been installed by a competent and qualified electrician who is fully aware of the latest electricity regulations concerning the installation of Electricity meters The AD1 125 must be installed in a suitable enclosure e This family of devices provides a set of energy meters aimed to be connected via external current transformer suitable for every need All the meters are equipped with an easy to read LCD on which displays all the three phases active energy counters with a red light LED which blink in proportion to the measured active energy and with a optocoupler that allows the storage of energy on two different tariffs Depending on the model a insulated Modbus communication interface are built in two solid state relay which generate pulses proportional to the measured ener2. gt 20 sec Main Menu Secondary winding register menu Energy Reset A pressure of 20 sec of the Menu key on every page of the main menu allows to enter in the zeroing menu of the main registers and on the display Main Menu Main Menu appears rESET The key must be released To do the reset press it again for 4 sec afterwards it will go back to the default visualization with all registers reset After 4 sec from the button release if the Command Reset is not done it will go back to the default visualization without the reset This feature is present only in the models without MID certification Primary CT Current Setting For the MID certified meters in the CT Ratio page by kept pushed for 4 sec the Start key the value of the primary winding blink on the display Push Start key or to change the value Push the Menu key for 4 sec to confirm otherwise within 5 seconds the modification will be lost For the not MID certified meters to confirm the CT ratio you must reset the energy counters Main Menu gt 5 sec gt 5 sec Main Menu Communication Address In the Address page by kept pushed for 4 sec the Start key the value of the Address blink on the display Push Start key or to change the value Push the Menu key for 4 sec to confirm otherwise within 5 seconds the modification will be lost 7 5 Menu gt
3. 4 sec gt 4 sec Communication Baudrate In the Baudrate page by kept pushed for 4 sec the Start key the value of the Baud rate blink on the display Push Start key or to change the value Push the Menu key for 4 sec to confirm otherwise within 5 seconds the modification will be lost Main Menu Main Menu Start gt gt 4 sec Diagnostic Message Missing Phases Phase Sequence Error When the 3 phases are not in the correct zero crossing sequence this message appears and the icon L1 and L2 blink To make this message to disappears without change the wiring Warning in this way the measure may be wrong you can keep pushed the Menu key for at least 4 sec Error Condition When the display show these messages the meters has got a malfunction and must be replaced In case one or more phases is not detected the corresponding icon disappears from the bottom row of the display E g L2 is not detected Service and Maintenance It should not be necessary to recalibrate device during its lifetime as it is an electronic meter with no moving parts with electronics and voltage and current sensors that do not naturally degrade or change with time under specified environmental conditions If a degradation in the performance is observed the device has probably been partly damaged and should be sent for repair or exchanged If the meter is dirty and needs to be cleaned use lightly moistened
4. measuring overflow kWh 9999999 99 e Instantaneous tariff measurement 1 display 1 digit T1 or T2 e Transformer primary current A 5 10 000 e Display period refresh S 1 Measuring accuracy e Active energy and power acc to EN 50470 3 class B Measuring input e Type of connection transformer 5 A e Voltage Un phase phase VAC 400 phase N VAC 230 e Operating range voltage phase phase VAC 190 480 phase N VAC 110 276 e Current In A 5 e Current min A 0 05 e Operating range current Ist Imax transformer connection CT A 0 003 6 e Transformer current primary current of the transformer A 5 10 000 smallest input step adjus in 5 A steps A 5 e Certified frequency Hz 50 2 e Operating frequency Hz 48 62 e Input waveform AC e Starting current for energy measurement Ist mA 3 Optical interfaces e Front side accuracy control LED imp kWh 10 000 Safety acc to EN 50470 1 e Indoor meter yes e Degree of pollution 2 e Operational voltage V 300 e AC voltage test EN 50470 3 7 2 kV 4 e Impulse voltage test 1 2 50 us kV__6 e Protection class EN 50470 class Il e Housing material flame resistance UL 94 class VO e Safety sealing between upper and lower housing part mod AD3 5MBIC es Embedded communication e Modbus RTU baudrate RS 485 3 wires up to 38 400 bps Connection terminals e Type cage main current paths screw head Z POZIDRIV PZ1 e Type cage pulse output blade for slotted s
5. tissue with a water based mild detergent Make sure no liquid goes into the meter as this could damage the meter Wiring diagram 230 VAC 230 VAC 230 VAC AD3 5BIC AD3 5MBIC AD3 5BIC AD3 5MBIC AD3 5BIC Modbus Modbus Modbus Terminals 1 2 Terminals 1 2 Terminals 1 2 230 V are only used 230 V are only used 230 V are only used if you require 2 tariffs if you require 2 tariffs if you require 2 tariffs An external time An external time An external time switch will be required switch will be required switch will be required he A mfn G R lL pem Peara i O O ko O Dn Il O O m KL HHE N N 230 400 VAC 230 400 VAC 230 400 VAC Instructions for the connection of transformer counters A fuse of 6 A is recommended for the line protection Current transformers must not be operated with open terminals since dangerous high voltages might occur which may result in personal injuries and property damage In addition to this the transformers are exposed to thermal overload N Neutral wire must be connected the meter Terminal Description Modbus 1 Modbus network Shield L1 Voltage connection of phase 1 2 Modbus network Data L2 Voltage connection of phase 2 3 Modbus network Data L3 Voltage connection of phase 3 4 Modbus network For the termination of the N Neutral connection network short this terminal with terminal 3 K1 11 Connection of the CT of phase 1 6 7 Tariff signal isolated by
6. a Opto Coupler K2 12 Connection of the CT of phase 2 When there is a voltage of 230 VAC connected the device store energies K3 I3 Connection of the CT of phase 3 on the Tariff 2 registers otherwise on the Tariff 1 registers Technical Data Data in compliance with EN 50470 1 EN 50470 3 and EN 62053 31 AD3 5BIC AD3 5MBIC CT connection till 10 000 5 A inbuilt communication Modbus General characteristics e Housing DIN 43880 DIN 4 modules e Mounting EN 60715 39 mm DIN rail e Depth mm 70 Operating features e Connectivity to three phase network n wires 4 e Storage of energy values and configuration digital display EEPROM es e Display tariffs identifier for active energy n 2 T1 and T2 Supply e Certified voltage range Un VAC 230 20 e Operating voltage range VAC 110 276 190 480 e Certified frequency fn Hz 50 2 e Operating frequency range Hz 48 62 e Rated power dissipation max Pv VA W lt 8 0 6 Overload capability e Voltage Un continuous phase phase VAC 480 1 second phase phase VAC 800 continuous phase N VAC 276 1 second phase N VAC 300 e Current Imax continuous A 6 momentary 0 5 s A 120 Display readouts e Connection errors and phase out discernible from phase sequence indic PHASE Err e Display type LCD n digits 9 2 decimals digit dimensions mm x mm 6 00 x 3 e Active energy 1 display 9 digit 2 tariffs min measuring energy kWh 0 01 display import or export arrow max
7. any page of the Main Menu a pressure of the Partial key allows to enter in the Partial Menu where partial active energy counters are readable in the main second third and fourth pages i e for monthly energy consumption These counters are not saved when the device is switched off By pushing the partial key in any of the fourth pages you go back to the Main Menu Partial Menu p Partial Partial Partial Partial A pressure of 4 sec of the Menu key in every page of the Partial Counters allows to enter in the zeroing menu of the Partial Counters and on the display appears rESET The key must be released To do the reset press it again for 4 seconds After 4 sec from the button release if the Command Reset is not done it will go back to the default visualization without the reset Secondary Winding Register Menu On MID calibrated meters it s possible to show on display all energy registers measured at CT output also via internal communication interface For this in any page of the Main Menu the Menu key must be pushed for 20 second In this mode gt appears and the meter show the same page of the Main Menu but in the first second third and fourth pages are shown the energy measured at the secondary winding of the CT After a minute of Menu key inactivity the meter shows and communicates again the CT input energies
8. crew mm 0 8X 3 5 e Terminal capacity main current paths solid wire min max mm 1 4 stranded wire with sleeve min max mm 1 4 e Terminal capacity pulse output solid wire min max mm 1 4 Stranded wire with sleeve min max mm 1 4 Environmental conditions e Mechanical environment M1 e Electromagnetic environment E2 e Operating temperature C 25 55 e Limit temperature of transportation and storage C 25 10 e Relative humidity not condensation lt 80 e Vibrations 50 Hz sinusoidal vibration amplitude mm 0 075 e Degree protection housing when mounted in front term IP51 IP20 x For the installation in a cabinet at least with IP51 protection Note
9. gy Both Modbus communication interfaces offers a set of 59 measures Display Commands 20000005 e Energy value r y e Menu ke i y for reading 000040008 J un e Energy import absorbed gt Menu ee e Energy export supplied lt GE 0 e Command button for partial 11 12 L3 e Energy line L1 L2 L3 _ reading selection Partial 0 gt e CT indicator __ SET __ Partial l l iy Y T m n e Tarif Running tariff p LO j e Parameters set u called tariff Start P e Energy value Partial 10000 imp kWh O e Precision control LED Adjusting the Modbus address and Baudrate Dimension 1 Press the Menu key until Addr 001 appears on the display 0000000000 2 Press and hold down the key for 4 sec and release 3 You will notice 001 blinking 4 Press the key to increment the number Partial 5 To lock the number press and hold down the Menu key for 4 seconds SET The Modbus address has now been set ciao O To alter the Baudrate 0 05 5 6 A 7 5 Press the Menu key until br 9600 Start 28 C to 56 C appears and repeat above steps 2 5 MID calibrated AD3 5MBIC N o gt RNG os SS e A Device code and certification data indications a Rn a ye FK B Safety sealing between upper and lower housing part Symbols Cable stripping length and max terminal screw torque I e Measuring elements On e Reversal
10. preventing device 5 A CT connection main terminals Screw driver PZ1 Tariff and communication terminals Screw driver blade 0 8x3 5 mm m e Protected by double insulation Main Menu Device Switch ON Page 1 In this page the value of the currently growing 3 phase Active Energy is represented or the last one that has grown The energy may be Active Consumed right row Active Generated left row with Tariff T1 or T2 depending on the current Energy flowing arrow Page 1 Page 2 Page 2 3 4 In the second third and fourth pages are represented Page 3 the remaining 3 energy registers Page 4 Page 5 In this page the CT ratio appears The CT ratio is modifiable see the section CT Ratio Page 6 A o In this page the Modbus address or primary address appears Page 6 4 This value can be altered see the section Communication Address g A Page 7 GE In this page the communication baud rate appears This value can be Page 7 O altered see the section Communication Baudrate g Menu a Page 8 Page 8 O You can read the index of firmware release g Menu Page 9 The checksum is periodically calculated to verify that the firmware Page 9 E l ae Menu is reliable The result of the calculation appears in this page l display if no key is pushed for at least 20 sec the main Page 10 DOS page appears again All the display segment are visible Whichever the page on the Partial Counter Menu In
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