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3 Model Description

ARD 2 M

/

Display module (Table 2)
Current Specification(Table 1)
Design serial number
Enterprise code

The corresponding relation between ARD2M current specification and the rated current and

power of the applicable motor is shown in Table 1:

Table 1

Protector

current

specification

(A)

Ratio

setting

Primary side coil

number of

transformer

Applicable scope of

motor (kW)

Suitable for motor

Rated current range

(A)

1

Support

5circle

0.12-999

0.1-5000

5

1cirlce

0.12-999

0.5-5000

25

Does not

support

1cirlce

3-11

6.3-25

100

1circle

15-45

25-100

250

1circle

55-132

63-250

800

1circle

160-250

250-800

Additional function of ARD2M are shown in Table 2:

Table 2

Additional function

code

Additional function

code

Energy metering

Ep

SOE Event record

SR

4-20mA analog output

M

1channel Modbus-RTU

communication

C

Anti - electric shock

function

SU

Temperature protection

T

Leakage protection

L

1channel Profibus-DP

communication

CP

Remarks:
(1)Integrated current transformer is used for integrated protector with current specification of
100A and below

The split current transformer is used for the current specification of 100A and

below;
250A and 800A current specifications use another type of split current transformer. For the
external dimensions of the transformer, please refer to the "external dimensions and installation".
(2)The temperature measurement support sensor type is PTC or NTC or PT100.

Summary of Contents for ARD2M

Page 1: ...472 ARD2M Motor Protector Operating Manual V1 1 ACREL Co Ltd...

Page 2: ...copied copied or disseminated in any form Otherwise all consequences shall be borne by the violator Our company reserves all legal rights Our company reserves the right to modify the product specifica...

Page 3: ...Description 2 4 Main parameters 3 5 Overall dimensions and installation 5 6 Protection function description 9 7 Function setting and description 24 8 Communication Settings and instructions 37 9 Feat...

Page 4: ...se time overload definite time grounding starting timeout leakage underload locked rotor obstruction short circuit phase overflow imbalance current voltage power less power over voltage under voltage...

Page 5: ...50 250 800 Additional function of ARD2M are shown in Table 2 Table 2 Additional function code Additional function code Energy metering Ep SOE Event record SR 4 20mA analog output M 1channel Modbus RTU...

Page 6: ...motor 1 0 1A 5000A Integrated Split current transformer 5 0 1A 5000A 25 6 3A 25A 100 25A 100A 250 63A 250A Split current transformer 800 250A 800A Relay output contact capacity Impedance load AC250V 1...

Page 7: ...Overflow protection Alarm of starting times Running time alarm Fault frequency alarm Control mode Protection mode Direct start mode Two step mode Two speed mode Voltage loss restart Communica tion fu...

Page 8: ...is shown in Figure 1 Figure 2 Figure1 The composition of integrated protector Figure2 The composition of split protector 5 2 Panel size and opening Unit mm The shape and opening size are shown in Figu...

Page 9: ...I6 DI7 DI8 27 Front view Side view Vertical view Hole size Figure 4 Panel size of split protector ARD2M 5 3 Size of installation of current transformer unit mm 5 3 1 The external dimensions of Integra...

Page 10: ...ternal dimensions of leakage current transformer are shown in figure 7 and table 5 Unit mm Figure 7 The external dimensions of leakage current transformer The leakage transformer is equipped with a se...

Page 11: ...ng to their needs 9 10 DO2 Start 2 output 11 12 DO3 Alarm output 97 98 DO4 Trip output normally open point signal 94 95 96 DO5 Trip output normally closed normally open with common end 14 DI1 Stop sig...

Page 12: ...ng phase break current imbalance leakage grounding constant time limit overload underload short circuit overflow protection overvoltage undervoltage voltage unbalance phase sequence underpower overpow...

Page 13: ...5 6 9 10 4 13 9 17 4 20 8 24 3 27 8 0 100 200 300 400 500 600 700 800 900 1000 Ie 1 2 1 5 2 3 4 5 6 7 2 8 Figure 9 Characteristic curve of overload K curve Inverse time overload protection improves ma...

Page 14: ...supply of the motor within tE time during lock in It is only put in after the motor is started with an independent delay timer The motion delay comparison of tE protection characteristic curve is sho...

Page 15: ...0 2 13 3 2 4 27 5 33 6 4 8 54 10 67 12 81 16 01 6 80 2 06 3 09 4 12 5 16 6 19 8 25 10 32 12 38 15 48 7 00 2 3 4 5 6 8 10 12 15 8 00 2 3 4 5 6 8 10 12 15 9 00 0 2 0 2 0 2 0 2 0 2 0 2 0 2 0 2 0 2 Note 1...

Page 16: ...ting time setting shall not exceed 1 7 times tE time Note Iav Three phase mean current Is Set trip threshold Ts Starting time 6 3 Locked rotor protection In the process of starting if the motor shaft...

Page 17: ...fault is not removed in time the motor will be overheated and the insulation will be reduced and the motor will be burned out The blocking protection is applicable to protect the motor when such faul...

Page 18: ...time Note Iav Three phase mean current Is1 Alarm action threshold Is2 Tripping threshold Ts1 Delay time of alarm action Ts2 Delay time of trip action 6 6 Underpower protection When the load power is l...

Page 19: ...in the set time Note Iav Three phase mean current Is1 Alarm action threshold Is2 Tripping threshold Ts1 Delay time of alarm action Ts2 Delay time of trip action 6 8 Overpower protection When the perce...

Page 20: ...g Ground current Is1 Alarm action threshold Is2 Tripping threshold Ts1 grounding start shielding time Ts2 Delay time of alarm action Ts3 Delay time of trip action 6 10 Leakage protection Leakage prote...

Page 21: ...ent imbalance Imax is the maximum current Imin is the minimum current and Iav is the average current Note Iuf Degree of current imbalance Is1 Alarm action threshold Is2 Tripping threshold Ts1 Delay ti...

Page 22: ...he minimum current is less than 5 rated current or when the imbalance degree of three phase current is greater than 30 the fault protection will trip or alarm within the set time Note Imax Maximum cur...

Page 23: ...e protector will trip or alarm within the set time Note Umax Maximum line voltage Us1 Alarm action threshold Us2 Trip action threshold Ts1 Delay time of alarm action Ts2 Delay time of trip action 6 16...

Page 24: ...m during operation Is3 Threshold of short circuit trip during starting stage Is4 Threshold of short circuit trip during operation Ts1 Delay time of alarm action Ts2 Delay time of trip action 6 18 Temp...

Page 25: ...aken as the trigger condition of the fault When the duration of the fault signal is longer than the set tripping alarm delay time tripping alarm will be generated When the input of switch quantity def...

Page 26: ...e limit of 1 hour to allow 3 starts Figure above It has been started for 3 times between 13 00 and 14 00 and there is no number of starts at the fourth time so the fourth time fails Figure below Befor...

Page 27: ...ttings menu and write the modified data 9 Ready LED indicator bright The indicator light is always on to indicate that the motor is ready to start 10 Start 1 LED indicator bright When this indicator l...

Page 28: ...fic display content is shown in Figure 16 the figure below shows the display value in the stopped state Figure 11 Data display interface IL 0mA IO 0 Iuf 0 UO 0 Rms Ia 0 0 A 0 Ib 0 0 A 0 Ic 0 0A 0 Rms...

Page 29: ...tion press the OK key to enter and select the corresponding sub menu for viewing or modification Figure 12 shows an example of how to modify the control authority Figure 12 Shows the operation diagram...

Page 30: ...ime h Start qty Trip qty Maximum start current A Maximum running current A 5 System parameters Rated current 0 1 5000 1 A 0 1 5000 5 6 3 25 25 25 100 100 63 250 250 250 800 800 Rated voltage 57 1200V...

Page 31: ...e 2stop Odd Even None Electric leakage protection Off on Off Transmitting set Type 1 Ia Ib Ic Iav Uab Ubc Uca Uav PTC Heat capacity P F Iav Full value 1 2 times rated current Language selection Chines...

Page 32: ...rip delay 0 1 600 0s 5 0s s Alarm trip allowed Alarm allowed forbid den Allow Trip allowed forbidde n Forbidden phase loss protection Trip delay 0 1 600 0s 1 0s s Alarm trip allowed Alarm allowed forb...

Page 33: ...rip mode of leakage mode Circuit breaker contactor Circuit breaker Starting screen time 0 0 600s 0 0 s Alarm trip allowed Alarm allowed forbid den Allow Trip allowed forbidde n Allow Short circuit pro...

Page 34: ...w overvoltage Alarm threshold 110 150 110 Trip threshold 110 150 120 Trip delay 0 1 600 0s 5 0s s Alarm trip allowed Alarm allowed forbid den Allow Trip allowed forbidde n Allow Under voltage Alarm th...

Page 35: ...ection NTC PTC NTC PTC PTC Alarm threshold 100 30000 1600 Trip threshold 100 30000 3600 Trip delay 0 1 600 0s 5 0s s Reset method Manual and automatic automatic Return resistance value 100 30000 1500...

Page 36: ...ge loss restart Recovery voltage 70 95 80 Voltage drop 50 90 50 Sway electric time 0 5 300 0 5 0 S Restart delay 1 0 60 0s 30 0 S Immediate restart time 0 1 10 0s 0 5 S Restart function on off Off 8 P...

Page 37: ...tting DO1 type Normally on normally off Normally on DO1 Definition 0 No input 1 star 1 2 start 2 3 start3 4 parking 5 starting jumped contactor 6 circuit breakers 7 fault Alarm output 8 tripping fault...

Page 38: ...am setting in p ut A Input A definition Close DI1 19 DO1 DO6 Starting 1 Starting 2 Starting 3 Stop Emergency shutdown Stop state Starting state Running state Alarm status Trip status Trip type choose...

Page 39: ...nput E logic Positive logic Reserve logic Positive logic Input E delay 0 0 60 0s 0 0s Logic diagram1 off A A B A B A B C A B C A B C A B C A B C D A B C D A B C D A B C D A B C D A B C D A B C D A B C...

Page 40: ...stop MODBUS function code supported by ARD2M 01 0x01 Function code Read coil state relay output DO address 0 corresponds to DO1 02 0x02 Function code Read switch input state DI address 0 corresponds...

Page 41: ...function read 01 ARD2M and read 3 data from address 00 Check data frame 01 03 00 00 00 03 11 5D Return data frame 01 03 06 00 00 00 00 00 00 OE D1 Write the data Example 4 Use the 05 function to write...

Page 42: ...alue current percentage R 0 1200 word 401 B Phase effective value current percentage R word 402 C Phase effective value current percentage R word 403 Average effective value current percentage R word...

Page 43: ...C Phase effective current R word 423 Uab RMS line voltage R 0 1999 9V word 424 Ubc RMS line voltage R 0 1999 9V word 425 Uca RMS line voltage R 0 1999 9V word 426 frequency R 15 00 75 00Hz word 427 De...

Page 44: ...gh byte word 443 R Low byte word 444 fundamental wave Total apparent power R 32 bit unsigned number High byte before low byte after Unit VA High byte word 445 R Low byte word 446 Fundamental wave tota...

Page 45: ...te word 458 Fundamental wave B phase reactive R 32 bit signed number High byte before low byte after Unit var High byte word 459 R Low byte word 460 Fundamental wave C phase reactive R 32 bit signed n...

Page 46: ...R 32 bit signed number High byte before low byte after Unit VA High byte word 473 R Low byte word 474 Fundamental wave total active energy R 32 bit unsigned number High byte before low byte after Uni...

Page 47: ...e after Unit var High byte word 487 R Low byte word 488 Full wave C phase reactive R 32 bit unsigned number High byte before low byte after Unit var High byte word 489 R Low byte word 490 Full wave A...

Page 48: ...05 Day hour R W High byte 0 31 Low byte 0 23 word 506 Minute second R W High byte 0 59 Low byte 0 59 word 507 reserve R 0 65535 word 508 Motor running time by now R 0 65535 word 509 Total motor stoppi...

Page 49: ...sconnection Bit4 undervoltage release Bit5 overvoltage release Bit6 blocking and tripping Bit7 blocking tripping Bit8 current imbalance tripping Bit9 PTC temperature tripping Bit10 external failure tr...

Page 50: ...alarm Bit14 phase sequence alarm Bit15 short circuit alarm 0 No alarm 1 Alarm word 563 Alarm fault indication 2 R Bit0 fixed time limit overload alarm Bit1 voltage imbalance alarm Bit2 overflow prote...

Page 51: ...t Parameter setting Communication Address R 1900 1906 1912 1918 1924 1930 1936 1942 word 575 Latest installation to record correspondence communication address R 2020 2024 2028 2032 2036 2040 2044 204...

Page 52: ...07 CT Ratio R W 1A 1 5000 5A 1 1000 other specifications can not set CT ratio word 608 Rated Frequency R W 45 70Hz word 609 Motor rated current R W 1A 0 1 5000 0A 5A 0 5 5000 0A 1 6A 0 4 1 6A 6 3A 1 6...

Page 53: ...ding tripping Bit2 underload tripping Bit3 disconnection Bit4 undervoltage release Bit5 overvoltage release Bit6 blocking and tripping Bit7 blocking tripping Bit8 current imbalance tripping Bit9 PTC t...

Page 54: ...tart timeout alarm Bit12 power alarm Bit13 underpower alarm Bit14 phase sequence alarm Bit15 short circuit alarm 0 No alarm 1 Alarm word 653 Alarm allowed forbidden 2 R W Bit0 fixed time limit overloa...

Page 55: ...W 0 1 600 0s 669 Leakage action choice R W Bit0 Action choice 0 Circuit breaker 1 contactor 670 Leakage fault starting screen time R W 0 25 0 671 Under power alarm threshold R W 10 99 672 Under power...

Page 56: ...de R W 0 Manual 1 Automatic 695 Temperature return resistance R W 0 Off Can be set between 100 30000 696 External fault trip delay R W 0 1 600 0s word 697 Start timeout trip threshold R W 100 200 word...

Page 57: ...s 717 overflow protection threshold R W 400 800 Other alarm 718 Start times alarm threshold R W 1 10 unit time 719 Start times protection delay R W 10 300min 720 Running time alarm threshold R W 1000...

Page 58: ...rm threshold R W 815 High speed underload trip threshold R W 816 High speed underload trip delay R W 817 High speed locked rotor alarm threshold R W 818 High speed locked rotor trip threshold R W 819...

Page 59: ...d short circuit trip threshold when starting R W 836 High speed short circuit alarm threshold when running R W 837 High speed short circuit trip threshold when running R W 838 Short circuit trip delay...

Page 60: ...emote the default is 3 word 908 Start method R W 0 Protection mode 1 manual mode 2 two step mode 3 two speed mode 4 star triangle 5 auto step down word 909 Start1delay R W 0 1 60 0s word 910 Recovery...

Page 61: ...mode electricity output 2 19 logic diagram output 1 output logic diagram 20 logic diagram output 2 21 logic diagram output 3 22 30 corresponding DI1 19 control the DO output 952 DO1 action setting tim...

Page 62: ...W As same as DO1 951 956 word 976 DO5 action setting time R W word 977 DO5 trip setting1 R W word 978 DO5 trip setting2 R W word 979 DO5 alarm setting1 R W word 980 DO5 alarm setting2 R W word 981 9 8...

Page 63: ...le setting R W word 995 DI8 programmable setting R W word 996 DI9 programmable setting R W word 997 1 002 Reserve R 1003 Logic diagram1 R W 0 off 1 A 2 A B 3 A B 4 A B C 5 A B C 6 A B C 7 A B C 8 A B...

Page 64: ...word 1008 Input E R W word 1009 Input A relay R W 0 0 60 0s word 1010 Input B relay R W 0 0 60 0s word 1011 Input C relay R W 0 0 60 0s word 1012 Input D relay R W 0 0 60 0s word 1013 Input E relay R...

Page 65: ...1 R W 0 No check 1 2stop bit 3 Odd 4 Even word 1043 ADD 2 1 247 word 1044 Baud rate2 R W 0 38400 1 19200 2 960 0 3 4800 4 2400 5 120 0 6 Profibus word 1045 Check digit 2 R W 0 No check 1 2stop bit 3 O...

Page 66: ...arting R Unit 1 1303 Result of starting R 1 stop when starting 2 go into running status 3 go into trip status 1304 Action 1time year month R High byte year low byte month 1305 Action 1time day hour R...

Page 67: ...Stop record 2 8 1508 1515 ditto R ditto 1516 1523 R 1524 1531 R 1532 1539 R 1540 1547 R 1548 1555 R 1556 1563 R 1564 1699 reserve R Restart record 1 1700 Cause of voltage shock R 0 All three phase lo...

Page 68: ...9 reserve R Parameter change record 1 1900 Change time year month R 1901 Change time day hour R 1902 Change time minute second R 1903 First data R 1904 Length of comm data R 1905 Set position R 0 lcd...

Page 69: ...e second R Power on record2 8 2024 2027 ditto ditto 2028 2031 2032 2035 2036 2039 2040 2043 2044 2047 2048 2051 Power off 1 2052 Power off index R Record the number of this time power off 2053 Power o...

Page 70: ...r type R bit0 fundamental wave switch bit1 PTC NTC type 2108 A phase current R 2109 B phase current R 4010 C phase current R 2111 A phase voltage R 2112 B phase voltage R 2113 C phase voltage R 2114 T...

Page 71: ...2400 2449 R 2450 2499 R 2500 4999 Reserve R Customize mailing address 5000 Correspond value of custom address 1 R As same as the corresponding mailing address 5001 Correspond value of custom address...

Page 72: ...el communication remote and native stop each output definition is not repeatable The effective output is selected by DI6 control permission 1 DI7 control permission 2 on off If control permission outp...

Page 73: ...ss 5000 is the same as the address 2010 data Example Suppose the user needs to read and write the original address 2003 2300 2307 2309 2335 2357 2758 2800 frequently These addresses are not continuous...

Page 74: ...ax 0086 21 69158303 Web site www acrel electric com E mail ACREL008 vip 163 com Postcode 201801 Manufacturer Jiangsu Acrel Electrical Manufacturing Co LTD Address No 5 Dongmeng Road Dongmeng industria...

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