TX325 | DigiCamel IC Datasheet

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TX325 CAMPBELL | Alldatasheet

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Technical content

PRODU( IE CAMPBELL =] SCIENTIFIC N~ WHEN MEASUREMENTS MATTER Overview The TX325 is a GOES satellite data transmitter and is the successor to the TX321. In the Western Hemisphere, it is compatible for use with NOAA's GOES DCS with a coverage range including Canada, the United States of America, and Mexico—as well as most countries in Central America and many South American countries. Benefits and Features ) NESDIS HDR V2 certified (certification number 12142012) ) ANATEL certified (certification number 07995-21-10644) ) Compatible with GOES DCS system ) Easy integration with Campbell Scientific data loggers ) Field tested and proven track record of reliability Technical Description The TX325 transmitter can transmit either self-timed or random GOES messages to the GOES West and GOES East satellites. In a typical configuration, the TX325 is connected to a data logger via an RS-232 serial connection. The data logger makes measurements, then formats those values to create a data packet which is then transferred to the TX325. The TX325 then buffers the message until its transmission window (or random transmission time), when it will then transmit the data at either 300 or 1200 bps. Extremely accurate timing is obtained from the integrated GPS receiver (+100 ps), and the internal clock is capable of maintaining accurate time for a minimum of 20 days. If the For comprehensive details, visit: www.campbellsci.eu/tx325 W R(REIE TX325 Satellite Transmitter for GOES CS2/v2.0 New Standard for Reliability in GOES Transmitters Smaller form factor, easy to use, and rugged The TX325 is the telemetry backbone for many data collection platforms (DCP) that utilize GOES satellites. The satellite transmitter can be integrated with a number of Campbell Scientific data loggers and is an available communications option for many of our systems, serving a wide range of applications. ) Embedded GPS receiver for stabilized internal time keeping and transmit frequency for long service intervals ) Low standby current consumption for battery-powered systems at remote DCP installation sites ) Quick assessment of radio health via monitoring of diagnostic data from the radio TX325 finds itself without an accurate time, it suspends data transmissions until an accurate time is obtained. Detailed diagnostic information about the radio is also available for the field technician and various diagnostic uses. These diagnostic parameters include the following: ) Latitude and longitude using the built-in GPS ) Current battery voltage ) Current temperature ) Battery voltage before last transmission ) Temperature before last transmission

) Battery voltage during last transmission ) Altitude of last GPS position ) Time of last GPS position ) Number of GPS fix misses ) Time of last missed GPS fix ) GPS receiver health and status ) Failsafe tripped indication ) Duration of last transmission ) Forward power of last transmission ) Reflect power on last transmission Specifications Transmissions Supported ) Timed (Scheduled) Random Data Format ASCII (SHEF) Pseudo Binary Transmit RF Out Connector Type N jack Radio Module OmniSat-3 Operating Temperature -40° to +60°C Range Storage Temperature Range-55° to +75°C NOAA/NESDIS GOES High Data Rate Certification Standard V2 Certification #12142012 15.88x 12.7 x4.57 cm (6.25 X 5x 1.81in) not including connectors 15.88x 14.99 x4.57 cm (6.25 x 59x18in)including Certifications Case Dimensions Maximum Dimensions connectors Weight 077kg (17 Ib) Supply Power Supply Voltage Range 10.5to 16 Vdc Typical Current Drain < 2.5 Awhen transmitting (typical 1.8 Aat 12 Vdo) < 5mA standby (typical 2.8 mA at 12Vdc) < 50 mA during GPS acquisition (typical 25 mA at

12 Vdo)

Connector 2-pin screw terminal, 0.2 in. pitch Power Protection Upto 23.1V (reverse polarity and overvoltage) Total system current is fused at 5 Awith replaceable fuse Satellite GOES Baud Rates 300 and 1200 bps ) VSWR (voltage standing wave ratio) last transmission results ) Current transmission state Cable Options On the Ordering Information page of the website, ensure you order the correct cable option to meet your needs. ) To connect the TX325 to the CR6 or CR1000X RS-232/CPI port. select the -R option. ) To connect the TX325 to the COM (C, U) ports of a data logger, select the -C option. ) To connect the TX325 to the 9-pin RS-232 port of a data logger, select the -S option. Transmit Power (300 baud) » 31 dBm maximum Maximum EIRP is 41 dBm (based on 11 dbm gain antenna and 1 dbm line loss) Typical EIRP is 37 to 41 dBm. Transmit Power (1200 baud)} 37 dBm maximum Maximum EIRP is 47 dBm (basedona 11 dbm gain antenna with 1 dbm line loss) Typical EIRP is 43 to 47 dBm. Frequency Range 401.701 to 402.09925 MHz Initial Frequency Stability — +20 Hz disciplined to GPS (GPS fix occurs after power up and once per day thereafter.) 3008Baud 0.75 KHz 1200 Baud 2.25 KHz Channel Bandwidth GPS Receiver -NOTE- The TX325 can source up to 19 mAat 2.7V for an external GPS antenna. Campbell Scientific recommends a maximum antenna Low-Noise Amplifier (LNA)of 1.5 dB. Maximum RF Input Gain ~ 25dB Receiver Type 33 Vactive Connector Type SMA jack Timekeeping Initial Accuracy +100 ps (synchronized to GPS) Drift +40 ms/day (without GPS) GPS Schedule 1 fix at power up (updated at roughly an 11-hour rate) Transmission Continuation 6 days without GPS Fix For comprehensive details, visit: www.campbellsci.eu/tx325

Product Information

TX325 specifications and overview.

Summary

Satellite Transmitter for GOES CS2/v2.0 07/19/2022

Description

Satellite Transmitter for GOES CS2/v2.0 07/19/2022

Source title TX325 Datasheet(PDF) - Campbell Scientific United Kingdom

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