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6
SPECIFICATIONS
6.1
SYSTEM SPECIFICATIONS
FCC ID:......................................... RTU-150 - AIERIT04-150; RTU-450 - AIERIT04-
Emission designator:
Digital Inputs: .............................. .
LOW:
llGH:
Digital Outputs: ............................ .
UL/CSA rating:
Analog Inputs: : ............................ .
Voltage Mode Range:
Current Loop Mode Range:
Resolution:
Analog Outputs: ........................... .
Analog Voltage Mode Range:
Current Loop Mode Range:
Resol u tion:
Radio Communications: ................. FSK, 1200 BPS, proprietary Manchester-Encoded data format
Serial Communications: ............... RS-485; 1200, 2400, 4800, or 9600 BPS; MODBUS RTU protocol;
Power Requirements: ..................... 10-16 VDC
Housing:........................................ Diecast Aluminum, Weather-resistant, (Enclosure S)
Dimensions (L x W x H): ................ 4.5" x 3.5" x 2.2" (Enclosure option S)
Weight:.......................................... 1.4 lb. (Enclosure option S)
Operating Temperature: ................. -30 to +60 degrees Centigrade
6.2
DTX SPECIFICATIONS
TRANSMITTER
Bandspread:
Freq. Stability:
RF Power Out:
RFOutputZ:
Mod. Dist:
Mod. Input Z:
NOTE: For detailed i n formation see applicable RITRON DTX manual. Wh en using the DTX manual in
support of the DATAFWW RTU, only the RF portion is valid. Disregard all references to the DTX control
board.
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5 W, programmable to 2 W
10K8FID
Maximumof6
Programmable from O to 5 V
Programmable from O to 5 V
Two (2) isolated latching relays
2A 30VDC
.5A ll0VDC
.5A 125VAC
Maxi m umof6
0-5VDC
0-20mA
8 bits
Maximumof2
0-5VDC
0-20mA
8 bits
for programming and external control
300µA sleep, I 00 mA receive
1.5A low power transmit, 2.5A high power transmit
-22 to + 140 degrees Fahrenheit
20MHz
5PPM
50Ohms
less than4%
lOOKOhms
( A-3)
RECEIVER
Bandspread:
20MHz
Freq. Stability:
5PPM
Sensitivity:
.3µV
RFinputZ:
50Ohms
Selectivity:
70dB@ 30kHz
65 dB@ 25 kHz
Audio Dist.:
less than 3%
50
4
DATAFLOW RTU
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