Description
The RAR-429 module is a rugged, reliable, full featured, CompactPCI module designed to provide a stand-alone, ARINC 429 interface for avionics applications. Up to 16 ARINC429 channels are supported on a 3U CompactPCI module. The RAR-429 offers full functional test, simulation, and monitoring for ARINC 429 test and simulation applications.
Features
The RAR-429 modules offer complete, integrated data bus functionality for the ARINC 429 protocol, Maximum data throughput is supported on all channels while providing on-board message scheduling, label filtering, multiple buffering options, time-tagging, and error detection. In addition, IRIG-B Receiver (AM or DC/TTL) and Generator (DC/TTL) capabilities are supported. Both transmit and receive data rates are programmable over range from 5 kHz to 150 kHz.
Architecture
The RAR-429 series offers independent, software programmable data rates and parity, error detection and automatic transmit channel slew rate adjustment. All channels operate independently, with 2 MBytes of on-board RAM providing large transmit and receive data buffers. The 16 discrete I/Os support an input voltage range from TTL to 50 volts. When configured as outputs, the open drain configuration can sink up to 0.5 amps.
Data Handling
On-board firmware, large data buffers and a high-level offer total flexibility for monitoring and generating ARINC bus traffic.
Simultaneous Scheduled and Burst Mode (FIFO) messaging is supported on all ARINC 429 transmit channels. Each ARINC 429 receive channel provides simultaneous Dedicated and Buffered Mode storage, along with label/SDI filtering. Three different methods are provided for buffering received data:
- Buffered Mode utilizes a separate circular buffer for each channel.
- Merged Mode combines all received data into a single, time-sequenced circular buffer.
- Dedicated Mode provides a snapshot of the current received data.
Software
The RAR-429 module is supplied with an API for Windows 2000/XP/ME/ Win 7. An ATEasy driver, sample code, high level C and C++ interface libraries, and documentation is provided. Support for LabVIEW is also available.
Applications
- Automatic Test Equipment (ATE)
- LRU and SRU test
- System level test
RAR-429 Series Specifications
| Timing |
|---|
| System Interface | 32-Bit, 66 / 33 MHz
PICMG 2.0 R3 compliant |
| Memory | 2 MB of RAM for data buffers |
| Encoder / Decoder | Up to 32 Encoders/Decoders with Error
Injection and Detection per PMC module |
| ARINC429 Interface | Up to 16 ARINC 429 Transmitters and 16 ARINC 429 Receivers |
| Data Rate | Programmable: High and low bit rate
(100 Kb/s & 12.5 Kb/s) or programmable from 5 kHz to 150 kHz |
| Transmit / Receive Message Buffer | 2048 message buffer for each Tx & Rx channel; 64-bit, 1 usec time-tag stored with each receive buffer operation |
| Error Injection | Parity, Gap, High or low bit count |
| Parity (Transmit & Receive) | Odd, Even, or None |
| Error Detection | Parity |
| Transmit Output Level | ±10 V (differential) |
| Receive Input Level | ±6.5 V to ±13 V (differential) |
| Discrete Inputs / Outputs |
|---|
| Number of Discrete I/O | 16, bidirectional |
| Input Threshold | 2.7 V, ±0.2 V |
| Output Characteristics | Open drain, N-channel FET
0.5 A (max) current, 50 V (max), Drain to source voltage |
| IRIG-B Generator / Receiver |
|---|
| IRIG-B Generator Time Register | 30 bit, IRIG-B time range with 1 usec resolution |
| IRIG-B Sample Timestamp | 64 bit IRIG-B time range with 1 usec resolution |
| Supported IRIG-B Formats | Modulation: 0, 1
Frequency / resolution: 0, 2
Coded expressions: 0, 1, 2, 3 |
| Receiver | IRIG timecode: B
AM sinewave or DC/TTL modulation |
| Transmitter | IRIG timecode: B
Format: B002 (DC/TTL)
Output drive: ±16 mA @ TTL levels |
| Physical |
|---|
| Interface Connector | (2) 50 pin Amp Champ , 0.8 mm receptacle connector
P1: Tx/Rx 1 - 8, discretes 1 - 8
P2: Tx/Rx 9 - 16 , discretes 9 - 16 |
| Size | 3U, single slot cPCI modules |
| Power Consumption | +3.3 V @ 500 mA
+5 V @ 50 mA
+12 V @ 350 mA
-12 V @ 350 mA
Sixteen transmitters, max data rate, 400 ohm load per channel |
| Operating Temp | 0 °C to +70 °C |
| Humidity | 5% to 95% non-condensing |
| Weight | 3.6 ounces, max |
Note: Specifications are subject to change without notice.
Downloads for RAR-429 Series
RAR429DS.pdf
Mar 11, 2022
version: A
129.51 KB
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