The Max Technologies IPM-429-E-8Tx-8Rx is an IndustryPack module purpose-built for ARINC 429 avionics databus communication. It delivers eight independent transmit and eight independent receive channels in a high-density form factor, enabling simultaneous simulation, testing, and real-time interface with ARINC 429 buses in aerospace and defense embedded systems.
Technical Specifications
Channel Architecture
• 8 independent Tx channels; 8 independent Rx channels
• Configurable data rate per channel: 305 bps to 4 Mbps
• ARINC 429 data rates: 3900 bps to 125 kbps
• 512-word ASYNC FIFO per channel; 32-word ARINC 429 FIFO per channel
Timing & Precision
• 1 microsecond precision for message scheduling and time-tagging
• 32-bit time-stamp for received data (1 microsecond resolution)
• 24-bit time-stamp for transmit scheduling (1 microsecond resolution)
• IRIG-B signal input supported
Transmitter Specifications
• Short-circuit protected transmitters
• Programmable parity, word length, bit-rate, and slew-rate
• Automatic external loopback verification (ELB option)
Receiver Specifications
• ARINC 429 label filtering on incoming messages
• Configurable internal loopback
• Parity error detection; short word error detection (ARINC 429)
• Configurable stop bits
Discrete I/O
• 8 general-purpose DIO ports with per-word transmission toggling
• 8 differential discrete lines (input/output configurable)
• Support for RS-422 differential, TTL, or 28V avionics discrete signals
Electrical
• ARINC 429 receive voltage: ±6.5 to ±13 V and ±2.5 V (Null)
Reliability (MIL-HDBK-217 FN2, 30°C)
• Serial ASYNC channels: 1,254,404 hours MTBF
• Analog output channels: 2,683,123 hours MTBF
• General channel configuration: 1,153,800 hours MTBF
– Key Features
• Each channel operates independently with complete configuration isolation
• Multi-protocol support: ARINC 429, ARINC 717, RS-232/422/485 async serial, CSDB, pulse/frequency generation
• Wide operational temperature range: 0°C to 70°C
• Operating humidity: 0 to 95% non-condensing
– Typical Applications
• Avionics databus simulation and testing
• Real-time ARINC 429 bus interfacing
• Aerospace system integration and validation
• Defense embedded system development
– Compatibility & Integration
Designed for deployment on standard IndustryPack (IP) carrier boards.

















