SIMS Deltec 6330-51 User Manual Instruction Manual

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Document ID	68553
Application ID	Y1Vq1kO3C/IbaNvFKBosoA==
Document Description	Instruction Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	12.59kB (157322 bits)
Date Submitted	1999-11-08 00:00:00
Date Available	2000-02-25 00:00:00
Creation Date	1999-11-03 15:06:19
Producing Software	Photoshop PDF Plug-in 1.0
Document Lastmod	1999-11-03 15:07:14
Document Title	Instruction Manual
Document Creator	Photoshop PDF Plug-in 1.0

MSJO-OSa-A VWraIeS Data Link Speeifitztion Page 2
1.0 SCOPE
Summary
A one-way RF data communications system that will notify a personal computer when message is
received from a Legacy Pump, This system will have two parts: a transmitter and a receiver. The
transmitter accepts a data string from a Legacy pump and transmits the data. The receiver
demodulates the transmitted RF signal and forwards it to a personal computer, The CRC check code
will accompany the transmitted data to insure communications integrityt A single receiver can be used
to monitor up to 40 transmitters
Block Diagram
A one-way RF communications system with the following components (see the diagram below):
1, A microcontroller-based data encoder,
2. A discrete SAW-based transmitter including antenna
3, A dual SAW-based receiver module including antenna
4. An RS-232 interface to a personal computer,
Personal
Computer
MS30-053-A Wireless Data Link Specification Page 3
Transmitter
The Microcontroller will signal it is ready to receive data by transmitting an ASCII “R" to the pump
indicating “Ready".
The microoontroller will accept and buffer serial data. The transmitter will respond to the pump
with an ASCII “B". Indicating “Busy”.
The transmitter [keys ]will transmit the resultant packet several times at random intervals The
diagram below shows a transmit data string.
START #BYTES DATA DATA DATA DATA DATA DATA DATA-
After the transmitter is finished transmitting the data, it will send an ASCII “R" to the pump. To
indicate it is ready for the next packet,
The Transmitter is powered from the pump communications port.
The transmit frequency for US and UK applications is 418 MHz. The transmit frequency for all
EC countries except the UK will be 433.92 MHz. The transmitter circuit can be used at all these
frequencies with minor modifications.
Receiver
More than one receiver. with separate antennas, may be used This provides spatial diversity to
improve communications integrity in cases where multipath signal cancellation can occurt
Each receiver uses a small whip antenna and an RF Monolithics hybrid receiver module. These
receivers use a SAW-based ASH architecture making them small, low cost and low power, The
raw data output of both receivers is fonvarded to a personal computer via an RS-232 connection.
Transmissions received correctly by either rece'wer will be sent to the computer. Transmissions
received with CRC errors are discarded.
MSSO-053-A ereless Data Link Spedflcafion Page 4
2.0 DOCUMENT CITATIONS
AC Adapters
Transmitters
Receivers
3.0 ELECTRICAL REQUIRENIENTS
3.1. THE RECEIVER IS POWERED FROM A SIMS DELTEC AC
ADAPTER. EACH AC ADAPTER CAN POWER UP To THREE
RECEIVERS. CONNECT THE AC ADAPTER To THE RECEIVER CLOSEST
TO THE COMPUTER.
u.s. 71-0266
UK 71-0257
Euro 71-0268
JA 710273
VK 710274
3.2. DISTANCE
TBD
3.3. ERROR RATE
TBD
4.0 PHYSICAL REQUIREMENTS
4.1. DIMENSIONAL
See drawings for device dimensions.
5.0 ENVIRONMENTAL
5.1. OPERATING ENVIRONMENT
0 Temperature: 2°C (35.6°F) to 40°C (104°F)
- Humidity: 90% relative humidity maximum, non—condensing.
- Atmospheric Pressure: 70 kPa (102 PSI or 10,000 feet above sea level) to
106 kPa (154 PSI).
MSW-053A wireless Dan Link Spedfimfion Page 5
5.2. STORAGE ENVIRONMENT
. Temperature: A20°C (-4°F) to 60°C (140°F)
. Humidity: 90% relative humidity maximum, non-condensing
o Atmospheric Pressure: 70 kPa (102 PSI or 10,000 feet above sea level) to
106 kPa (1544 PSI),

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Create Date                     : 1999:11:03 15:06:19
Page Count                      : 4

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