SSD120 Nano Altitude Encoder | 2 RS-232 & 1 RS-485 outputs, 35,000 ft

TRANS-CAL INDUSTRIES

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EDMO # 35N-RS1

MFR Part # SSD120-35N-RS1

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Product Description

The SSD120-(XX)N-RS1 Series Nano Altitude Encoders are all solid-state devices that measure air pressure and convert the measurements into the ICAO parallel data for pressure altitude transmission via ICAO pressure altitude Gray Code output. These Nano encoders also provide altitude data to ADS-B, GPS, transponders, autopilots, and other navigational devices with two asynchronous RS232 and one RS-485 outputs for which the serial data protocol can be individually selected. The user has multiple resolution settings to choose from. Typically, the altitude data is set to 100 feet or 10 feet. The RS1 version has one-foot resolution available on the second RS-232 output only.

Features

This Nano Altitude Encoder (EDMO# 35N-RS1) includes:
-1,000–35,000 ft altitude range
Altitude Digitizer with two RS232 and one RS-485 output channels
15 Pin D-subminiature mating connector receptacle (1 ea.)
15 Pin Connector Back Shell (2 ea.)
15 Pin D-subminiature mating connector plug (1 ea.)
1/8 NPT Nylon tube fitting (1 ea.)
1⁄4-inch Tube Polypropylene tee fitting (1 ea.)
1/8-27NPT Nylon Plug (1 ea.)
Features:
Dual 1/8-27 NPT static port inlets
One ICAO pressure altitude Gray code output
Optional two or five RS-232 compliant data outputs or one RS-485 output
Serial ports may be installer configured to transmit separate data protocols (message and baud data)
Power, ground, and data I/O lines provided on industry standard D-miniature connectors
Constructed with corrosion-resistant aluminum housing

Specifications

Weight:

5.9 oz (low altitude) 6.3 oz (high altitude)
Altitude Ceiling:

30,000 to 42,000 ft (low altitude) 50,000 to 100,000 ft (high altitude)
ICAO Gray Code Output:

Yes
RS-232 Output:

Yes (except for SSD120-(XX)N model)
RS-485 Output:

No (except for SSD120(XX)N-RS, RS1 models)
Operating Voltage:

12VDC @ 220mA / 28VDC @ 270mA (low altitude) 12VDC @ 55mA / 28VDC @ 60mA (high altitude)
Low Operating Temperature:

-20°C / -55°C (E models)
High Operating Temperature:

70°C
Wet Environment:

No
Electrical Connector:

D-Subminiature 15-pin, SSD120-(XX)N D-Subminiature 15-pin & 9-pin, -RS232 (low/high models) D-Subminiature 15-pin plug & 15-pin recpt, -RS models Static line connection: Dual 1/8-27NPT (low altitude) Dual 1/8-27NPT or 1/8 Tube Swivel Fitting (high altitude)
Approvals:

TSO-C88a ETSO-C88a MIL-STD-704E RTCA DO-160E