BLUE JAY BJ-PR200 Series Manuel utilisateur

User Manual

Tel: +0086-023-67628702 Email:tech@cqbluejay.com

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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

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 - 1 -

Read me

When you use BJ-PR200 series electronic motor protection relay, be sure to read this user

manual carefully, and be able to fully understand the implications, the correct guidance of

operations in accordance with user manual, which will help you make better use of BJ-

PR200 series motor 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 the instrument wiring consistent with the internal system settings;

5. When communicating with the PC, instrument communication parameters must be consistent

with the PC.

●Please read this user manual carefully

●Please save this document

                                       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                                              - 2 -
Directory 
- SUMMARIZE.................................................................................................................................- 4 -
- FEATURES ...................................................................................................................................- 4 -
- SPECIFICATIONS ........................................................................................................................- 5 -
- INSTALLATION AND START-UP..................................................................................................- 7 -
1.- INSTALLATION ............................................................................................................................ - 7 -
2.- TYPICAL WIRING ........................................................................................................................ - 8 -
OPERATION MODE........................................................................................................................- 9 -
1- PANEL KEY OPERATION................................................................................................................ - 9 -
2- MOTOR PROTECTOR START ....................................................................................................... - 10 -
3- REAL-TIME FAULT DETECTION .................................................................................................... - 10 -
4- SEQUENCE OF EVENT (SOE) .................................................................................................... - 10 -
5- CONFIGURATION MENU STRUCTURE INTRODUCTION .....................................................................- 11 -
6- EXAMPLE OF PROGRAMMING MENU OPERATION .......................................................................... - 12 -
6.1- Set sampling input value .................................................................................................- 12 -
6.2- Overload protection setting .............................................................................................- 13 -
- RS485 COMMUNICATION PORTOCOL....................................................................................- 14 -
1.- MODBUS © PROTOCOL .......................................................................................................... - 14 -
1.1- Modbus RTU Frame Format:...........................................................................................- 14 -
1.2.- Modbus function code ....................................................................................................- 15 -
2.- REGISTER MAP-I (ONLY READ, USE CODE 04) ........................................................................... - 16 -
3.- REGISTER MAP (II.- READ AND WRITE PARTS)............................................................................. - 17 -
- PORTECTION FUNCTION INTRODUCTION .............................................................................- 19 -
1- START OVERTIME PROTECTION.................................................................................................. - 19 -
2- OVERLOAD PROTECTION ........................................................................................................... - 20 -
3- PHASE FAILURE PROTECTION..................................................................................................... - 22 -
4- STALL PROTECTION ................................................................................................................... - 22 -
5- CURRENT IMBALANCE PROTECTION............................................................................................ - 22 -
6- UNDER LOAD PROTECTION ........................................................................................................ - 23 -
7- ROTOR JAM PROTECTION .......................................................................................................... - 23 -
8- GROUND FAULT PROTECTION(OPTIONAL).................................................................................. - 23 -
9.- TE PROTECTION ...................................................................................................................... - 24 -
8- I/O OUTPUT (OPTIONAL)............................................................................................................- 25 -
1.- ANALOG OUTPUT PORT............................................................................................................. - 25 -
2.- DIGITAL OUTPUT PORT.............................................................................................................. - 25 -
- SAFETY CONSIDERATIONS.....................................................................................................- 26 -
- MAINTENANCE..........................................................................................................................- 26 -

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 -

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 - 4 -

1. - SUMMARIZE

PR200 motor protection relay is an all-in-one solution designed to continuously monitor 3-phase

power lines for abnormal conditions. It can use with motors less than 690V/820A. Packed inside a

small and economic package you’ll find a solution designed to save you time and money.

The series of products through the real-time monitoring of the scene signal, provide various

protection trip to avoid motor failure. When the PR200 sense the motor operating parameters to

achieve the preset alarm value, will trig the DO port to warning the abnormal status; abnormal

parameters continue to accumulate to 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% measurement range; class 1 for 120%

-1000% measurement range.

-. Built-in 2-channel relay, free to user set protected trip mode, alarm mode and trig mode.

In protection mode, channel 1 relay can use for alarm, channel 2 for trig operation.

-. User free to set each protection function act off, alarm or trip.

-. Build in Sequence of Event function, can logger last 10 trip records.

-. With programmable analog output function, user option RS-485 communication interface.

-. Can provide basic electrical parameter for user SCADA system.

-. Wide range of power supply AC85-265V or AC80-450V.

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3. - SPECIFICATIONS

Working environment:

Motor rated voltage:

AC380V / AC660V

Motor rated current:

0.5-820A

Working temperature:

-20C ~ +60C

Storage temperature:

-40C ~ +80C

Relative humidity:

< 93% RH

Elevation:

not more than 3000 m

Atmospheric conditions:

installation 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 / 30VDC (NC node)

Alarm relay @ 5A / 250VAC, 5A / 30VDC (NO node)

Electrical test:

IEC 61000-4-2

level III

IEC 61000-4-4

level III

IEC 61000-4-5

level III

IEC 61010-1

AC2kV/1min Between power / input / output

User Manual

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Product standards

GB / T 14048.1

(IEC 60947-1)

Low-voltage switchgear and control equipment General Provisions

GB /T14048.4

(IEC 60947-4)

Low voltage electromechanical contactors and motor starters

requirements

JB / T10613-2006

General specification for digital motor combined protection

equipment

JB /T10736-2007

Low voltage motor protection

Protection CT selection guide

PR200 ampere range

(I.scl)

Motor rated ampere

(Ie)

Description

0.5-2A

Protection CT provide by PR200 body

CT ratio set to 1

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

500-800A

Residual current CT

If PR200 choose ground fault protection, need external LCT05/30 series CT for detect leakage

current.

LCT05 rated current of 500mA, the current range (50 ~ 500mA)

LCT30 rated current of 30A, the current range of (3 ~ 30A)

Each PR200 need 1pcs, please contact sales team for purchase issue.

User Manual

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Add: 1802,Building 2,No.88,Jianxin East Road,Chongqing,400020,China - 7 -

4.- INSTALLATION AND START-UP

The manual you hold in your hand contains information and warnings that the user

should respect in order to guarantee a proper operation of all the instrument functions

and keep it in safety conditions. The instrument must not be powered on and used until

its definitive assembly is on the cabinet’s door.

If the instrument is not used as manufacturer’s specifications, the protection of the

instrument will be damaged.

When any protection failure is suspected to exist (for example, it presents external visible

damages), the 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 instrumentis to bemountedon panel(cut-outa mounting

hole). Keep all connections into the cabinet.

Note that with the instrument powered on, the terminals could be dangerous to touch and cover

opening actions or elements removal may allow accessing dangerous parts. Therefore, the

instrument must not be used until this is completely installed.

Note: This connection drawing is for reference only; the actual connecting terminal please refer to

the label on the rear part.

CT separate installation

CT integrated installation

93mm

9mm

96mm

74mm

116.5mm

44.5mm

Φ20

107.7mm

6mm

93mm

96.5mm

93mm

Φ20

46mm

36mm

20mm

45.5mm 24mm

9mm

96mm

74mm

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4.2.- Typical Wiring

4.2.1.- Connection with residual protection CT

4.2.2.- Connection with analog output

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5. OPERATION MODE

5.1- Panel key operation

5.1.1- Key operation

← →

In Monitor screen for move to next / previous page

In configuration menu for value increase/decrease

Configuration menu enters or 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

After parameter set, press key MENU, protector screen show “SAVE”, then press key for save

the change and exit, press key MENU for exit without save.

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