Three Phase Branch Circuit Manager ( Multi Channel Load Manager)

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Products Code : BM 5120

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Description

The Branch Circuit Monitor (BM) is very ideal for Data Centres. It can connect and control up to 12 channels for Branch Monitoring. Controlling can be done using add on relay unit and RS485. It can measure voltage, current, power, and energy of every circuit connected in a power distribution unit or rack. Split core or regular CTs can be used to monitor currents of each circuit.

Features:

  • Multi-channel data collection.
  • Three phase-four channels or single phase twelve channels.
  • Displays basic, power & energy parameters.
  • Optional pluggable Zigbee communication or Ethernet (default RS485).
  • Space saving compact design for easy installation into existing panel boards.
  • True RMS measurements.
  • Simultaneous samplings of voltage & current.
  • User programmable password protection.
  • Energy resetting @ 999999kVAh x Transformer Ratio.

Measures:

  • Displays more than 25 parameters – Basic (VLL, VLN, A (avg. & phase wise), Hz), Power (W, VA, PF[total & phase wise]), Energy (Wh, L.H., VAh, VARh (total channel wise & phase wise for every channel).
  • OLD registry to store previously cleared energy value and L.H.

Specifications of Zigbee (Coordinator & Router):

Network support

IEEE802.15.4 & Zigbee

Data Rating

256 kbps

Frequency Band

864-865 MHz (16 channels) with auto scanning

Modulation Technique

DSSS

Wireless Security

AES 128-bit encryption

Tx O/P Power

4.5dBm Rx

Sensitivity

-97dBm

Distance Covered

20 metres

                                                                                                                                                                           

Technical Specifications:

Accuracy

Class 1.0 (default), Class 0.5 (optional on request)

Measurement Range

1:500 for channels 1 & 2, 1:120 for channels 3 & 4

Sensing/measurement

True RMS, 1 sec. update time, 4 quadrant power & energy

Input Voltage

4 voltage I/Ps (VR, VY, VB, VN) programmable 110 or 415VLL Nominal (range 80-500VLL) primary programmable up to 999kV. Burden: 0.2VA max. per phase

Input Frequency

45-65Hz

Input Current

3 I/P currents (AR, AY, AB) 4 channels-each channel is independently configurable, primary programmable up to 99kA. CT O/P: can be up to 1000mV or 100mA from split core CTs or hanging CTs

Aux. Supply

Control power: 180-300V AC/DC 40-70Hz

Burden: 5VA max.

CT/PR ratio max.

2000MVA programmable

Communication

RS485interface, industry standard MODBUS RTU protocol

Baud rate: 4800 to 19200bps (preferred 9600bps)

Isolation: 2000V AC isolation for 1 minute between communication and other circuits

Safety & Environment Specifications:

Safety:

  1. Designed to meet protection class III, pollution degree-2.
  2. Protection against shock by double insulation. Clearance and creepage meet UL61010 safety standard.

Environment:

Operating Temperature

-100C to +550C (140F to 1310F)

Storage Temperature

-250C to +700C (-130F to 1580F)

Humidity

5 to 95% (non-condensing)

Recommended connecting wire

12 to 14 SWG (10 to 12 AWG)

*****ECO-FRIENDLY*****

Applications:

  • For remote reading and control, the BM is supported by ElNet software designed for remote setup and data viewing and analysis.
  • Building Management System: With the open Modbus protocol, it can be interfaced with any system such as building management, HMI etc.

Benefits:

  • Compact design. Ideal for Data Centres.
  • Ideal for residential and commercial premises – billing & load pattern study on individual phase.
  • Individual phase kWh measurement provides the user with flexibility to measure Three phase-four channels or single phase twelve channels.
  • Primary currents can be independently configured making it ideal for any kind of industry or upgradation.

Note: additional error of 0.1% of full scale for meter I/P current below 500mA for 5A setting.

Communication Register Map:

Sr. No.

Parameter

Data Type

Address

Channel-1

Channel-2

Channel-3

Channel-4

1

W Total

Float

4101

4201

4301

4401

2

W R Phase

Float

4103

4203

4303

4403

3

W Y Phase

Float

4105

4205

4305

4405

4

W B Phase

Float

4107

4207

4307

4407

5

PF avg. (Inst.)

Float

4109

4209

4309

4409

6

PF R Phase

Float

4111

4211

4311

4411

7

PF Y Phase

Float

4113

4213

4313

4413

8

PF B Phase

Float

4115

4215

4315

4415

9

VLL avg.

Float

4117

4217

4317

4417

10

V RY Phase

Float

4119

4219

4319

4419

11

V YB Phase

Float

4121

4221

4321

4421

12

V BR Phase

Float

4123

4223

4323

4423

13

VLN avg.

Float

4125

4225

4325

4425

14

V R Phase

Float

4127

4227

4327

4427

15

V Y Phase

Float

4129

4229

4329

4429

16

V B Phase

Float

4131

4231

4331

4431

17

A Total

Float

4133

4233

4333

4433

18

A R Phase

Float

4135

4235

4335

4435

19

A Y Phase

Float

4137

4237

4337

4437

20

A B Phase

Float

4139

4239

4339

4439

21

Frequency Hz

Float

4141

4241

4341

4441

22

Wh Received

Float

4143

4243

4343

4443

23

Wh R Phase

Float

4145

4245

4345

4445

24

Wh Y Phase

Float

4147

4247

4347

4447

25

Wh B Phase

Float

4149

4249

4349

4449

26*

L.H. Received

Unsigned Long

4151

4251

4351

4451

27*

L.H. R Phase

Unsigned Long

4153

4253

4353

4453

28*

L.H. Y Phase

Unsigned Long

4155

4255

4355

4455

29*

L.H. B Phase

Unsigned Long

4157

4257

4357

4457

30*

VAR Total

Float

4159

4259

4359

4459

31*

VAR R Phase

Float

4161

4261

4361

4461

32*

VAR Y Phase

Float

4163

4263

4363

4463

33*

VAR B Phase

Float

4165

4265

4365

4465

34*

VA Total

Float

4167

4267

4367

4467

35*

VA R Phase

Float

4169

4269

4369

4469

36*

VA Y Phase

Float

4171

4271

4371

4471

37*

VA B Total

Float

4173

4273

4373

4473

38*

VAh Total

Float

4175

4275

4375

4475

39*

VARh IND Total

Float

4177

4277

4377

4477

40*

VARh CAP Total

Float

4179

4279

4379

4479

41*

VAh R Phase

Float

4181

4281

4381

4481

42*

VARh Y Phase

Float

4183

4283

4383

4483

43*

VARh B Phase

Float

4185

4285

4385

4485

44*

VARh IND R Phase

Float

4187

4287

4387

4487

45*

VARh IND Y Phase

Float

4189

4289

4389

4489

46*

VARh IND B Phase

Float

4191

4291

4391

4491

47*

VARh CAP R Phase

Float

4193

4293

4393

4493

48*

VARh CAP Y Phase

Float

4195

4295

4395

4495

49*

VARh CAP B Phase

Float

4197

4297

4397

4497

*=Optional

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