Mesa Laboratories WOW 15.231 (e) Wireless Weather Station Transmitter User Manual users manual

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Document ID	111986
Application ID	ATE4oSL+nj7Gi5u7T9SpGA==
Document Description	users manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Microsoft Word - pdf
Filesize	2.42kB (30209 bits)
Date Submitted	2000-08-04 00:00:00
Date Available	2000-08-04 00:00:00
Creation Date	2000-08-04 14:48:46
Producing Software	Acrobat Distiller 4.0 for Windows
Document Lastmod	2000-08-04 14:48:48
Document Title	users manual

FCC ID: M5ZWOW
Installation and Operation Instructions for the Wireless Temperature Sensor.
Point Six, Inc.
Wireless Temperature Sensor
Model WOW
Installation and Operation Instructions
The WOW wireless temperature sensor transmits both a digital temperature and a unique serial
number to a 418 MHz receiver. The WOW is enclosed in a high impact ABS enclosure for
direct surface mounting in the environment to be measured. WOW is battery operated
Application: Apply the sensor to the surface to be monitored with double-sided adhesive tape.
Make sure that the side labeled with FCC ID is visible and away from any metal surfaces.
Service Function: The wireless temperature sensor has an installation mode switch. A
momentary push of this switch will start the convert/transmit cycles. When new and until this
button is pushed the WOW will not transmit. The WOW will transmit a special installation
status mark in the data packet immediately after the installation/start switch is pushed. After the
start a push of the installation switch will result in the immediate transmission of temperature, ID
and installation status mark.
Battery: A 3.0-3.6 Volt lithium battery powers the WOW wireless temperature sensor. The
battery will last for more than 10 years in the idle state (as shipped from the manufacturer). The
WOW will transmit data for as long as 7 years at a rate of once each minute once started. The
WOW is completely covered with a water resistant rubber coating to protect the electronics from
the environment and condensation. The user cannot replace the battery. The WOW may be
placed in a quiescent state (battery life greater than 10 years) by holding the installation switch
closed for more than 12 seconds.
FCC ID: M5ZWOW
MADE IN USA
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 UNDESERED OPERATION
Wireless Temperature Sensor Data Format
The Point Six, Inc. 418 MHz wireless temperature transmitters require a compatible receiver
with the ability to receive, error check and provide RS232 and RS422/485 interface. This
document describes the data format provided by the HA8-wow 418 MHz. Receiver.
The transmit packet from a receiver is approximately 15 milliseconds in duration and consists of
13 bytes of data:
1-byte ID/Mode field
8-byte serial number
2-byte temperature data
2-byte CRC-16 error check
The HA8-wow receiver processes this packet. The receiver performs a CRC-16 error check on
the packet. If the data is not accurate it is discarded. When a packet is received that is error free
it is converted to a 29-character packet and transmitted out the serial port at 19,200 Baud. The
data is transmitted serially in ASCII Hex format and terminated with a CR character. This format
requires two bytes for each byte of data; 14 data bytes x 2=28 plus the CR is 29 characters
The resulting binary data format of the packet is:
1-byte ID field
this field will contain a byte whose LSBit indicates the service state of the
transmitter, 0=normal, 1=service mode.
8-byte serial#
this field contains the serial number of the 1-Wire sensor.
2-byte temperature
this field contains the temperature data stored MSB first in two's
compliment 16-bit form of 1/16 deg. C units.
2-byte CRC-16
this is the originally received data packet CRC as described above.
1-byte checksum
the checksum is a mod 256 sum of all the ASCII character values in the
response but does not include the CR
Example:
D4287F44040000005A01602ED477
This field is the mode indicator, the LS-bit which indicates the service
state of the transmitter, 0=normal, 1=service mode.
D4287F44040000005A01602ED477
This field is the unique serial number of the 1-Wire temperature
sensor.
D4287F44040000005A01602ED477
This is the temperature data field; two's compliment 16-bit data stored
MSB first in 1/16 deg. C units. The value shown is +22 Deg. C.
D4287F44040000005A01602ED477
This field is the CRC-16 error check as was originally received and
checked. This CRC is over the first 11 bytes of the packet starting with
the mode flags and ending with inclusion of the temperature data.
D4287F44040000005A01602ED477
This field is the mod 256 sum of all the ASCII character values in the
response but does not include the .
D4287F44040000005A01602ED477
This is the CR terminator, 0Dhex.
FCC Radio Frequency Interference Statement
Wireless Temperature Sensor
FCC ID: M5ZWOW
NOTE: This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to Part 15, Subpart B, of the FCC Rules. This
equipment generates, uses, and can radiate radio frequency energy. If not installed
and used in accordance with the instructions, it may cause interference to radio
communications.
The limits are designed to provide reasonable protection against such interference in a
residential situation. However, there is no guarantee that interference will not occur in
a particular installation. If this equipment does cause interference to radio or television
reception, which can be determined by turning the equipment off and on, the user is
encouraged to try and correct the interference by one or more of the following
measures:
Reorient or relocate the receiving antenna of the affected radio or television
Increase the separation between the equipment and the affected receiver.
Connect the equipment and the affected receiver to power outlets on separate
circuits.
Consult the dealer or an experienced radio/TV technician for help.
MODIFICATIONS
Changes or modifications not expressly approved by Point Six Inc. could void the
user's authority to operate the equipment.

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Create Date                     : 2000:08:04 14:48:46
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