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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:

Designed to meet protection class III, pollution degree-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
Sr. No.	Parameter	Data Type	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

Three Phase Branch Circuit Manager ( Multi Channel Load Manager/Power Distribution Unit)

Description

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