The OMRON/Delta Tau UMAC Power Unit supplies regulated power to the Universal Motion and Automation Controller system, distributing essential voltages across the UBUS backplane to CPU, interface, I/O, and communication boards. This 3U-format power supply supports industrial automation and motion control applications requiring configurable, multi-axis architectures with diverse accessory card combinations.
Technical Specifications
Input Power
• 85–240 VAC or 24 VDC supply voltage (Power UMAC configurations)
• ACC-E1 variant: 115/230 VAC input
Output Voltages
• +12V to +15V nominal (+11.5V to +16.5V actual)
• −12V to −15V nominal (−11.5V to −16.5V actual)
• +5V, GND, −15V, AGND distributed via UBUS backplane
Power Allocation
• Encoder power draw: 50–100 mA per encoder (if powered from UMAC)
• Analog output circuits: approximately 10 mA per output
• Internal consumption (cooling fan example): 0.12 A reserved, not available to system boards
• Total system current is load-dependent on installed board configuration
Backplane Interface
• UBUS backplane connector with dedicated power supply slot
• Compatible with 4–18 slot UBUS backplane configurations
– Key Features
• Integrates into modular 3U Eurocard rack format
• Supplies multiple regulated voltage rails for CPU and accessory boards
• Supports diverse UMAC system configurations without modification
• Dedicated power slot in UBUS backplane eliminates bus conflicts
– Typical Applications
• Multi-axis motion control systems
• Industrial automation platforms requiring modular expansion
• Systems combining CPU, encoder interfaces, analog I/O, and communication cards
– Compatibility & Integration
Designed exclusively for OMRON/Delta Tau UMAC systems operating in 3U rack environments. The power unit connects via dedicated UBUS backplane connector and distributes voltage to all circuit boards in the rack without additional wiring.
