SCR Engineers LDLUMODULE LU module User Manual SCR One
SCR Engineers Ltd. LU module SCR One
Users Manual
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SCR
BU-500-LU
SPECIFICATIONS
[CONFIDENTIAL]
Zeev K.
Version 0.3
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BU-500-LU SPECIFICATIONS Ver 0.3
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Version History:
0.10
Initial version
0.2
Product Name change to BU-500-LU
0.3
FCC label correct
Contents
1 Global system specifications ................................................................................................... 4
2 Target market .......................................................................................................................... 4
3 System components ................................................................................................................ 4
4 TAG/IDU/BU communication overview .................................................................................. 5
5 BU-500-LU ............................................................................................................................... 6
5.1 BU-500-LU Radio Parameters .......................................................................................... 6
5.2 BU-500-LU Units contains Internal Antenna ................................................................... 6
5.3 Mechanical dimensions ................................................................................................... 7
5.4 Block diagram .................................................................................................................. 8
5.5 Circuit protections ........................................................................................................... 9
5.6 Environmental Conditions ............................................................................................... 9
6 BU-500-LU Installation........................................................................................................... 10
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The FCC Wants You to know
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates, uses
and can radiate radio frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more of the
following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
-Consult the dealer or an experienced radio/TV technician for help.
FCC Warning
Changes or modifications to this equipment not expressly approved by the party responsible for
compliance (SCR Engineers Ltd.) could void the user’s authority to operate the equipment
BU-500-LU Contains FCC ID: AMULDLUMODULE
Manufacturer: SCR Engineers Ltd.
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including
interference that may cause undesired operation.
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1 Global system specifications
All units are for outdoor use, required Radio regulations according to target market &
Low voltage 24VDC regulation (except for tags which powered by internal battery).
2 Target market
Europe (EU), Swiss, Norway
USA, Canada
Eastern/North Europe (Belarus , Ukraine, Baltic states & All former Soviet
union republic)
South/Center America (Brazil, Argentina, Chile, Columbia, Peru, Ecuador,
Mexico)
China
Japan
Vietnam
South Korea
India
New Zealand
Australia
South Africa
Turkey
Israel
3 System components
BU-500-LU – Locating Unit for Wireless locating and Tracking of the cow's
position.
BU-500/E – LD Base unit, with RS485 or RS232 serial network interface and RF
transceiver.
H-TAG-LD – Activity based tag with RF transceiver & IRDA receiver.
HR-TAG-LD – Activity & Rumination based tag with RF transceiver & IRDA
receiver.
IDU530 – Tag identification unit with CAN-Bus network interface, IRDA
transmitter & 2.4GhZ Receiver ONLY.
IDU510 – Tag identification unit with SCR C.L. network interface, IRDA
transmitter & 2.4GhZ Receiver ONLY.
BU-500E – LD Base unit, with 10BASE‑T/100BASE-TX Ethernet network interface.
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4 TAG/IDU/BU communication overview
Tag
Tag initiate sending data
BU500
Data
Ack
Tag
BU initiate sending messages
BU500
Ack
Message 1
Data
Ack
20 minutes
Message 1 retry*
Message 2
Ack
Tag IDU
Data
ID Req
Optic
RF
Legend:
Only IDU can initiate ID request
*When no ACK from tag
No retries when tag sends data
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5 BU-500-LU
BU-500-LU (Location Unit) is a unit used to collect messages from tags and send them to
central management system.
The unit replies to each tag upon receiving a message. They unit is also used to set
various tag parameters and to update software inside the tag.
Outdoor unit powered from limited 24V DC via external AC to DC PS – 110/220VAC.
5.1 BU-500-LU Radio Parameters
Standalone LD-LU Module FCC ID: AMULDLUMODULE
RF Transceiver: Atmel AT86RF233
RF Frequency: 2.4GHz
Modulation type: QPSK
RF Channels: 16 RF Channels
Baud Rate: 250K Bit/Sec (Not configurable)
RF Module output power: 3dBm
5.2 BU-500-LU Units contains Internal Antenna
Internal Antenna type: Internal diversity patch antenna, ~11dBi, directional (beam width
100deg)
Average RF data:
Standby: 6 messages per hour, 20byte/message.
Operating: 10 messages per second ~100 bytes/message.
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5.3 Mechanical dimensions
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5.4 Block diagram
uC
LEDS x 2
BU-500-LU Block diagram
24V to 5V
Step down
24V Input
3.3V Supply
DC/DC
LDO
7SEG x 2
Isolated 5V Net Supply (485)
KEY x 2
LU
Module
Internal
Patch
Antenna
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5.5 Circuit protections
5.6 Environmental Conditions
1. IP – required IPx5.
2. Operational temperature -33°C to 50°C.
3. Storage - TBD
4. Transportation
Complies with ETS 300 019 -2-2 T2.3
Complies with ETS 300 019 -2-1 T 1.2
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6 BU-500-LU Installation
BU-500-LU is the SCR Base Station unit that enables coverage of a large area, 500m x
200m. The BU-500-LU is connected to BU-500 by RF Link.
The Antenna portion of the BU-500-LU must be installed at least 3 Meters above ground
or 1 Meter below the rafters when installed inside a building.