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User Manual

Tel: +0086-023-67628702 Email:[email protected]
www.cqbluejay.com
Add: 1802,Building 2,No.88,Jianxin East Road,Chongqing,400020,China - 22 -

7.3- Phase failure protection

When motor meet phase failure (Any of two phase over 25% of the rated current, another phase
less than 12.5% of the rated current), will trip the phase failure protection.

Protection mode

OFF / Alarm / Trip

Trip delay

0.1 ~ 50.0 s

7.4- Stall protection

Stall protection to prevent motor-driven equipment in serious operation block or motor overload
operation and heat damage to the motor,

Note

: Stall protection only be act after the motor starter is complete.

Protection mode

OFF / Alarm / Trip

Threshold

100 ~ 1000%Ie

Trip delay

0.5 ~ 50.0 s

7.5- Current imbalance protection

Current imbalance protection based on the maximum phase current imbalance to determine

whether to start phase unbalance protection function. Current unbalance is calculated as follows:

𝐈

𝐢𝐦

|𝐈

𝐦𝐚𝐱

−𝐈

𝐚𝐯𝐠

𝐈𝐚𝐯𝐠

𝐱 𝟏𝟎𝟎%

𝐈

𝐢𝐦

|𝐈

𝐦𝐚𝐱

− 𝐈

𝐚𝐯𝐠

𝐈𝐚𝐯𝐠

𝐱 𝟏𝟎𝟎%

-- Three-phase current imbalance;

max

-- Maximum phase current in the real-time measurement of three-phase;

min

-- Minimum phase current in the real-time measurement of three-phase;

avg

-- Three-phase average current.

Notes:

When the three-phase average current (I

avg

) is less than the motor rated current (

), in

formula

avg

= Ie

Protection mode

OFF / Alarm / Trip

Imbalance threshold

5 ~ 60 %

Trip delay

0.1~ 50.0 s

Содержание BJ-PR200 Series

Страница 1: ...0086 023 67628702 Email tech cqbluejay com www cqbluejay com Add 1802 Building 2 No 88 Jianxin East Road Chongqing 400020 China BJ PR200 series Electronic Motor Protection Relay User Manual Version 1 6 Revision 2022 8 ...

Страница 2: ...otor protector and help to solve the various problems at the scene 1 Before the meter turning on the power supply be sure that the power supply within the provisions of the instrument 2 When installation the current input terminal must non open voltage input terminals must Non short circuit 3 Communication terminal RS232 RS485 or Ethernet is strictly prohibited to impose on high pressure 4 Be sure...

Страница 3: ...6 1 Set sampling input value 12 5 6 2 Overload protection setting 13 6 RS485 COMMUNICATION PORTOCOL 14 6 1 MODBUS PROTOCOL 14 6 1 1 Modbus RTU Frame Format 14 6 1 2 Modbus function code 15 6 2 REGISTER MAP I ONLY READ USE CODE 04 16 6 3 REGISTER MAP II READ AND WRITE PARTS 17 7 PORTECTION FUNCTION INTRODUCTION 19 7 1 START OVERTIME PROTECTION 19 7 2 OVERLOAD PROTECTION 20 7 3 PHASE FAILURE PROTECT...

Страница 4: ...User Manual Tel 0086 023 67628702 Email tech cqbluejay com www cqbluejay com Add 1802 Building 2 No 88 Jianxin East Road Chongqing 400020 China 3 ...

Страница 5: ...a dangerous value will automatically trigger the release switch to shut down the circuit Option RS485 communication port can upload the monitor data and alarm status to remote control system Protection function Details please refer to chapter 7 Start Overtime Over Load Phase Failure Stall Current imbalance Under load Jam Ground fault 2 FEATURES High accuracy sample calculation class 0 5 for 2 120 ...

Страница 6: ...ion site does not allow the explosive medium containing gas to corrode metal and damage the insulation and conductive medium Measuring accuracy Current 0 5 2 to 120 of Ie 1 120 to 10 of Ie Voltage 0 5 Leakage current 1 10 to 100 of Ir Analog Output 1 4 20mA Electrical parameters Auxiliary Power AC80 450V DC110V 500V Power consumption 4 VA Insulation resistance 100MΩ Relay Trip relay 10A AC250V 10A...

Страница 7: ...lection guide PR200 ampere range I scl Motor rated ampere Ie Description 2A 0 5 2A Protection CT provide by PR200 body CT ratio set to 1 5A 1 5A 25A 5 25A 100A 25 100A 200A 100 200A 250 5 150 250A Connect extra protection CT 5A CT ratio use 50 100 160 Notes If motor rated ampere over 200A need external protect CT protect grade 5P10 accuracy 0 5 class 1 PR200 need 3pcs CT 500 5 250 500A 800 5 500 8...

Страница 8: ...instrument must be immediately powered off In this case contact a qualified service representative 4 1 Installation Mounting PR200 series motor protector have two version installation mode one for CT separate installation another is CT integrated installation Each instrument is to be mounted on panel cut out a mounting hole Keep all connections into the cabinet Note that with the instrument powere...

Страница 9: ...23 67628702 Email tech cqbluejay com www cqbluejay com Add 1802 Building 2 No 88 Jianxin East Road Chongqing 400020 China 8 4 2 Typical Wiring 4 2 1 Connection with residual protection CT 4 2 2 Connection with analog output ...

Страница 10: ... exit roll back to up layer menu Enter next layer menu or confirm the change 5 1 2 Enter configuration menu In normal monitor status press key MENU the main screen will show CodE press key into password screen use key and to enter password default user password is 0001 then press key to confirm enter in password correct can into the menu screen or still ask password 5 1 3 Exit configuration menu A...

Страница 11: ...arm Act for trip Indicator lights in the front panel will ON Alarm relay be trigged Indicator lights in the front panel will flicker Alarm relay be trigged Trip replay be trigged After the failure be removed Indicator will automatically turn off Alarm relay automatic reset to NO status After the failure be removed Must press key to reset protector to normal status Notes If overload protection trip...

Страница 12: ...tection OFF ALM TriP Current imbalance protection threshold 5 60 Current imbalance trip delay 0 50 0s Under load protection OFF ALM TriP Under load protection threshold 20 100 Ie Under load protection trip delay 0 5 50 0s Stall protection OFF ALM TriP Stall protection threshold 100 800 Ie Stall protection trip delay 0 5 50 0s Ground fault protection OFF ALM TriP Ground fault residual current thres...

Страница 13: ...iguration menu device ask password Step2 Press for entry password use key to input password 0012 will move to Level 1 configuration menu Step3 Press to enter level 2 of Signal Input menu to set Input current range InPt Step4 Press enter level 3 value range selecting you can see default current range 5A Step5 Press or to select input current range in example use 10A Step6 Press to confirm the modif...

Страница 14: ...out set menu S LnG Step5 Press or to choose Overload protection submenu L our Step6 Press to entry level 3 device ask set Protection mode menu ModE Then press again entry selection Press or to choose ALRM TRIP OFF After select press to confirm the modify return to the previous level menu Step7 In protection mode level 2 press can set the overload K factor Step8 In protection mode level 2 press can...

Страница 15: ... the master unit customers can choose the RS 232 to RS 485 converter to use 2 Not all the PR200 with RS485 port please check your ordered product to confirm if the meter has remote communication function Due to product modifications or custom requirements the interface pin place may be change For details please refer to product label on the rear board 6 1 1 Modbus RTU Frame Format Address code 1 B...

Страница 16: ...s of input register Read measurement values voltage current power etc Read SOE record FUNCTION 05 Force Single Coil This function permits to write Internal Bits or Physical Coils FUNCTION 06 Write single register This function permits to write FUNCTION 15 Write Multiple Coils This function permits to write Internal Bits or Physical Coils Example Read A B C phase current value Host to Slave Addr Fu...

Страница 17: ...ual current IΔn 0x06 Current average 0 1A 0x07 A Phase current percentage 0x08 B Phase current percentage 0x09 C Phase current percentage 0x0A Voltage percentage 0x0B residual current percentage 0x0C Current average percentage 0x0D A phase current imbalance 0x0E B phase current imbalance 0x0F C phase current imbalance 0x10 0x31 reversed 0x32 Voltage rating 0x33 Current rating External CT 0x34 CT r...

Страница 18: ...Note 0x200H reversed reversed 0x20FH reversed 0x210H Pass word Input range 0000 9999 0x211H Current measurement range default 5A Optional 0 1A 1 2A 2 5A 3 10A 4 25A 5 50A 6 100A 7 200A 0x212H CT ratio Range 1 9999 0x213H Residual current range Range 0 1A 10A 0x214H Voltage measurement range default 380V Optional 0 220V 1 380V 0x215H Motor rated current Range 0 5 200A 0x216H MODBUS address Range 1 ...

Страница 19: ...rotection Range 105 150 Ue 0x311H Overvoltage trip delay Range 0 1 50 0sec 0x312H Under voltage threshold Under voltage protection Range 45 95 Ue 0x313H Under voltage trip delay Range 0 1 50 0sec 0x314H tE setting Range 1 15 0x315H Protection function status 0 disable 1 enable BIT0 Start over time BIT1 Over load BIT2 Phase failure BIT3 Jam BIT4 Current imbalance BIT5 Under load BIT6 Stall BIT7 Gro...

Страница 20: ...020 China 19 7 PORTECTION FUNCTION INTRODUCTION 7 1 Start Overtime protection After the starting timer if the three phase average current 1 1 times the motor rated current Ie or 10 of the motor rated current Ie or three phase average current start timeout protection action Protection mode Alarm Trip Start timer 1 0 300 0s Trip delay 0 ...

Страница 21: ...nsure effective protection of the repeated starting of the motor overheating condition continuous run Device provide 12 inverse time protection curves user can select suitable curve for different motor working condition Typical trip time in different K factor and protection class K factor Class I Ie 1 0 1 2 1 5 7 2 125 10 Tripping time Without trip in 2h trip in 1h 2min 2s Tp 10s 250 300 10 4min 4...

Страница 22: ... 11 11 22 22 26 67 44 44 66 67 88 89 106 67 4 0 0 67 1 67 4 00 5 00 6 67 8 33 16 67 20 00 33 33 50 00 66 67 80 00 4 5 0 52 1 30 3 12 3 90 5 19 6 49 12 99 15 58 25 97 38 96 51 95 62 34 5 0 0 42 1 04 2 50 3 13 4 17 5 21 10 42 12 50 20 83 31 25 41 67 50 00 5 5 0 34 0 85 2 05 2 56 3 42 4 27 8 55 10 26 17 09 25 64 34 19 41 03 6 0 0 29 0 71 1 71 2 14 2 86 3 57 7 14 8 57 14 29 21 43 28 57 34 29 6 5 0 24 ...

Страница 23: ...e act after the motor starter is complete Protection mode OFF Alarm Trip Threshold 100 1000 Ie Trip delay 0 5 50 0 s 7 5 Current imbalance protection Current imbalance protection based on the maximum phase current imbalance to determine whether to start phase unbalance protection function Current unbalance is calculated as follows 𝐈𝐢𝐦 𝐈𝐦𝐚𝐱 𝐈𝐚𝐯𝐠 𝐈𝐚𝐯𝐠 𝐱 𝟏𝟎𝟎 or 𝐈𝐢𝐦 𝐈𝐦𝐚𝐱 𝐈𝐚𝐯𝐠 𝐈𝐚𝐯𝐠 𝐱 𝟏𝟎𝟎 Iim Three phas...

Страница 24: ...am protection only be act in the starting process after motor normal working will be automatic locked Protection mode OFF Alarm Trip Threshold 100 1000 Ie Trip delay 0 5 50 0 s 7 8 Ground Fault Protection Optional If any part of winding comes in contact with the ground then we can say the motor is earthed Device use external CT to detect residual current ideal state to set the low residual current...

Страница 25: ... 4 60 1 82 7 28 7 83 8 37 9 10 10 01 10 92 27 30 4 80 1 70 6 80 7 31 7 82 8 50 9 35 10 20 25 50 5 00 1 60 6 40 6 88 7 36 8 00 8 80 9 60 24 00 5 20 1 51 6 04 6 49 6 95 7 55 8 31 9 06 22 65 5 40 1 43 5 72 6 15 6 58 7 15 7 87 8 58 21 45 5 60 1 36 5 44 5 85 6 26 6 80 7 48 8 16 20 40 5 80 1 29 5 16 5 55 5 93 6 45 7 10 7 74 19 35 6 00 1 23 4 92 5 29 5 66 6 15 6 77 7 38 18 45 6 20 1 18 4 72 5 07 5 43 5 9...

Страница 26: ...put port cannot be choosing with the ground fault protection function 8 2 Digital output port PR200 can choose extra 2 channels digital output the physical DO relay standard is 5A 250VAC 5A 30VDC Remote mode operation In Remote mode user can use function code 05 to trig single relay device RS 485 port follow MODBUS RTU protocol command as following Host inquiry 01 05 00 01 FF 00 DD FA Address Code...

Страница 27: ...NTENANCE The PR200 series not require any special maintenance No adjustment maintenance or repairing action should be done when the instrument is open and powered on should those actions are essential high qualified operators must perform them Before any adjustment replacement maintenance or repairing operation is carried out the instrument must be disconnected from any power supply source When an...

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