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BFU Description DESCRIPTION
9/1551-LZA 701 6001 Uen H
Copyright © Ericsson AB 2010–2012. All rights reserved. No part of this document may be reproduced in any form without the written permission of the copyright owner. Disclaimer The contents of this document are subject to revision without notice due to continued progress in methodology, design and manufacturing. Ericsson shall have no liability for any error or damage of any kind resulting from the use of this document. Trademark List All trademarks mentioned herein are the property of their respective owners. These are shown in the document Trademark Information.
9/1551-LZA 701 6001 Uen H | 2012-10-15
Contents
Contents 1
Product Overview
1
1.1
Purpose
1
1.2
Variants
1
2
Function Description
3
3
Technical Data
5
4
Signal and Power Interfaces
7
4.1
BFU 01 01
7
4.2
BFU 01 02
7
9/1551-LZA 701 6001 Uen H | 2012-10-15
BFU Description
9/1551-LZA 701 6001 Uen H | 2012-10-15
Product Overview
1
Product Overview This document describes the Battery Fuse Unit (BFU). The BFU is located in the power subrack.
1.1
Purpose The main function of the BFU is to supervise and disconnect or connect the battery backup.
1.2
Variants The following variants are available: •
BFU 01 01
BFU 01 01
150 A EC
Ge0088C
•
BFU 01 02
BFU 01 02
EC
200A
Ge2912A
9/1551-LZA 701 6001 Uen H | 2012-10-15
1
BFU Description
2
9/1551-LZA 701 6001 Uen H | 2012-10-15
Function Description
2
Function Description The BFU has the following functions: •
Disconnecting and connecting the battery backup from system voltage
•
Supervising the following:
0 0 0 0 •
Current Battery temperature System voltage
Disconnecting battery when:
0 0 0 0 0 •
Battery voltage
Discharging to pre-set battery voltage level Over current Battery over temperature Low battery voltage System voltage out of range
Charge current limiting (Prevention of excessive charging currents that can trip the circuit breaker.)
•
Remotely controlling disconnection of battery
•
Cold-starting
Figure 1 shows the block diagram of the BFU.
9/1551-LZA 701 6001 Uen H | 2012-10-15
3
BFU Description
Voltage Measurement
Current Measurement
Voltage Measurement
Battery Switch Battery Side -48V
Battery Temperature Sensor
Hydraulic
System Side -48V
Magnetic Circuit Breaker
Supervision & Control
EC-Bus SK0000915B
Figure 1
4
BFU Block Diagram
9/1551-LZA 701 6001 Uen H | 2012-10-15
Technical Data
3
Technical Data Table 1 lists the technical data of the BFU variants.
9/1551-LZA 701 6001 Uen H | 2012-10-15
5
Maximum Continuous Charge/Discharge Current (A)
135
200
Power Dissipation (W)
45
89
BFU 01 01
BFU 01 02
BFU Technical Data
Technical Data
Table 1
9/1551-LZA 701 6001 Uen H | 2012-10-15 200
150
Circuit Breaker Rating (A)
-40 to +65
-40 to +60
Tempe rature Range (C)
Stops at +35 C
Starts at +40C
Slow charge mode or insufficient system airflow
Stops at +35 C
Starts at +40C
Internal Fan Interval
-38 to -58.5
-38.0 to -57.6
Nominal Input Voltage (V DC)
Input Charact eristics
43
43
Height (mm)
145
145
Width (mm)
225
225
Depth (mm)
Dimensions
≤2
< 1.8
Weight (kg)
BFU Description
6
Signal and Power Interfaces
4
Signal and Power Interfaces This section describes the interfaces of the different BFU variants.
4.1
BFU 01 01 Table 2 lists the details of the external interfaces on BFU 01 01.
Table 2
BFU 01 01 Interfaces (1)
Marking
Description
Connector
Location
No marking
Cabinet system voltage
Bus-bar
Rear
Battery voltage
Anderson SB® 175
Front
Optical indicator, red
N/A
Front
Optical indicator, green
N/A
Front
ECB
RJ-45
Front
Battery temperature sensor
Molex Mini-Fit Jr.™ 2 pol.
Front
Connect or disconnect battery
On/Off switch
Front
(2)
EC
150 A
(1) For more details about optical indicators, see (2) Eclosure Control Bus
4.2
Indicators, Buttons, and Switches.
BFU 01 02 Table 3 lists the details of the external interfaces on BFU 01 02.
Table 3
BFU 01 02 Interfaces
Marking
Description
No marking
(1)
Connector
Location
Cabinet system voltage
Bus-bar
Rear
Battery voltage
Anderson SB® 175
Front
Optical indicator, red
N/A
Front
9/1551-LZA 701 6001 Uen H | 2012-10-15
7
BFU Description
Marking
EC
200A
Description
(1)
Connector
Location
Optical indicator, green
N/A
Front
Optical indicator, yellow
N/A
Front
ECB
RJ-45
Front
Battery temperature sensor
Molex Mini-Fit Jr.™ 2 pol.
Front
Connect or disconnect battery
On/Off switch
Front
(1) For more details about optical indicators, see Indicators,
8
Buttons, and Switches.
9/1551-LZA 701 6001 Uen H | 2012-10-15
9/1551-LZA 701 6001 Uen H
Copyright © Ericsson AB 2010–2012. All rights reserved. No part of this document may be reproduced in any form without the written permission of the copyright owner. Disclaimer The contents of this document are subject to revision without notice due to continued progress in methodology, design and manufacturing. Ericsson shall have no liability for any error or damage of any kind resulting from the use of this document. Trademark List All trademarks mentioned herein are the property of their respective owners. These are shown in the document Trademark Information.
9/1551-LZA 701 6001 Uen H | 2012-10-15
Contents
Contents 1
Product Overview
1
1.1
Purpose
1
1.2
Variants
1
2
Function Description
3
3
Technical Data
5
4
Signal and Power Interfaces
7
4.1
BFU 01 01
7
4.2
BFU 01 02
7
9/1551-LZA 701 6001 Uen H | 2012-10-15
BFU Description
9/1551-LZA 701 6001 Uen H | 2012-10-15
Product Overview
1
Product Overview This document describes the Battery Fuse Unit (BFU). The BFU is located in the power subrack.
1.1
Purpose The main function of the BFU is to supervise and disconnect or connect the battery backup.
1.2
Variants The following variants are available: •
BFU 01 01
BFU 01 01
150 A EC
Ge0088C
•
BFU 01 02
BFU 01 02
EC
200A
Ge2912A
9/1551-LZA 701 6001 Uen H | 2012-10-15
1
BFU Description
2
9/1551-LZA 701 6001 Uen H | 2012-10-15
Function Description
2
Function Description The BFU has the following functions: •
Disconnecting and connecting the battery backup from system voltage
•
Supervising the following:
0 0 0 0 •
Current Battery temperature System voltage
Disconnecting battery when:
0 0 0 0 0 •
Battery voltage
Discharging to pre-set battery voltage level Over current Battery over temperature Low battery voltage System voltage out of range
Charge current limiting (Prevention of excessive charging currents that can trip the circuit breaker.)
•
Remotely controlling disconnection of battery
•
Cold-starting
Figure 1 shows the block diagram of the BFU.
9/1551-LZA 701 6001 Uen H | 2012-10-15
3
BFU Description
Voltage Measurement
Current Measurement
Voltage Measurement
Battery Switch Battery Side -48V
Battery Temperature Sensor
Hydraulic
System Side -48V
Magnetic Circuit Breaker
Supervision & Control
EC-Bus SK0000915B
Figure 1
4
BFU Block Diagram
9/1551-LZA 701 6001 Uen H | 2012-10-15
Technical Data
3
Technical Data Table 1 lists the technical data of the BFU variants.
9/1551-LZA 701 6001 Uen H | 2012-10-15
5
Maximum Continuous Charge/Discharge Current (A)
135
200
Power Dissipation (W)
45
89
BFU 01 01
BFU 01 02
BFU Technical Data
Technical Data
Table 1
9/1551-LZA 701 6001 Uen H | 2012-10-15 200
150
Circuit Breaker Rating (A)
-40 to +65
-40 to +60
Tempe rature Range (C)
Stops at +35 C
Starts at +40C
Slow charge mode or insufficient system airflow
Stops at +35 C
Starts at +40C
Internal Fan Interval
-38 to -58.5
-38.0 to -57.6
Nominal Input Voltage (V DC)
Input Charact eristics
43
43
Height (mm)
145
145
Width (mm)
225
225
Depth (mm)
Dimensions
≤2
< 1.8
Weight (kg)
BFU Description
6
Signal and Power Interfaces
4
Signal and Power Interfaces This section describes the interfaces of the different BFU variants.
4.1
BFU 01 01 Table 2 lists the details of the external interfaces on BFU 01 01.
Table 2
BFU 01 01 Interfaces (1)
Marking
Description
Connector
Location
No marking
Cabinet system voltage
Bus-bar
Rear
Battery voltage
Anderson SB® 175
Front
Optical indicator, red
N/A
Front
Optical indicator, green
N/A
Front
ECB
RJ-45
Front
Battery temperature sensor
Molex Mini-Fit Jr.™ 2 pol.
Front
Connect or disconnect battery
On/Off switch
Front
(2)
EC
150 A
(1) For more details about optical indicators, see (2) Eclosure Control Bus
4.2
Indicators, Buttons, and Switches.
BFU 01 02 Table 3 lists the details of the external interfaces on BFU 01 02.
Table 3
BFU 01 02 Interfaces
Marking
Description
No marking
(1)
Connector
Location
Cabinet system voltage
Bus-bar
Rear
Battery voltage
Anderson SB® 175
Front
Optical indicator, red
N/A
Front
9/1551-LZA 701 6001 Uen H | 2012-10-15
7
BFU Description
Marking
EC
200A
Description
(1)
Connector
Location
Optical indicator, green
N/A
Front
Optical indicator, yellow
N/A
Front
ECB
RJ-45
Front
Battery temperature sensor
Molex Mini-Fit Jr.™ 2 pol.
Front
Connect or disconnect battery
On/Off switch
Front
(1) For more details about optical indicators, see Indicators,
8
Buttons, and Switches.
9/1551-LZA 701 6001 Uen H | 2012-10-15
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