The OMRON/Adept Technology PA-4 Amplifier Chassis is an AC-DC power conversion platform engineered for industrial robotics and automation systems. This compact, rugged chassis houses up to 4 amplifier modules and serves as the power distribution backbone for Adept robot configurations. The PA-4 accommodates multiple amplifier types across different robot models while maintaining operational stability in demanding industrial environments.
Technical Specifications
• Input voltage: 200-240 VAC or 380-415 VAC (switchable)
• Input frequency: 50-60 Hz
• Input current: 15 A
• Module slots: 4
• Connectivity: 5-Pin DIN circular connector
• Weight (shipped): Approximately 35 lbs
– Key Features
• Switchable input voltage configuration accommodates dual global power standards
• Integrated AC-DC power conversion electronics
• PA-4 CAT-3 variant includes dual redundant high-power AC contacts
• PA-4 CAT-3 meets EN-954 Category-3 E-Stop requirements when paired with sDAI module
• LED status and fault indicators (PA-4 CAT-3)
• Serviceable air filter and replaceable fuses/circuit breakers
• Tool-free module insertion and removal
– Typical Applications
Primary use in Adept robot power and control subsystems, supporting motor drive amplifiers across multiple robot models and payload classes.
– Compatibility & Integration
The PA-4 supports Adept Viper robot systems: Viper s1700 (H and I amplifiers), Viper s1300 (J and K amplifiers), and Viper s650/s850 (J amplifiers). Also compatible with Cobra s850 robots using L amplifiers. The PA-4 CAT-3 serves as a direct replacement for standard PA-4 units and qualifies as a safety-rated component in certified E-Stop architectures.
