3DO690.6 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation 3DO690.6 is part of the System 2005 Controllers series and features eight triac outputs with a nominal voltage of 120 VAC. This module provides group-to-group and output-to-PLC isolation, with a maximum output current of 1 amp and a protection rating of IP20. It uses 6 watts of external power and supports a maximum switching frequency of 100 Hz.
Internal Product Review
The 3DO690.6 is a B&R Automation System 2005 triac output module with 8 outputs and 120 VAC nominal voltage. Group-to-group isolation and output-to-PLC isolation support clean signal separation in control applications. A 100 Hz maximum switching frequency makes this module a strong choice for dependable AC output switching.
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Product Description:
The B & R Automation 3DO690.6 module belongs to the System 2005 Controllers series and is intended for switching AC loads in distributed control cabinets. It plugs into the system backplane to translate PLC logic levels into mains-level drive signals, allowing actuators to be energized directly from the controller rack. By using solid-state triacs rather than mechanical relays, the product provides long service life in output control tasks such as energizing solenoid valves, contactors, and stack-light indicators in automated equipment.
The card offers 8 outputs arranged in two groups of four, and each channel employs a Triac element so it can switch alternating-current loads. Designed for branch circuits that operate at 120 VAC, every channel can deliver up to 1 A of continuous load current while the entire module is limited to 4 A. These electrical limits help match the module to upstream fuses and field wiring so that inrush or fault currents stay within the permissible thermal envelope. This combination of channel count, device type, voltage rating, and current limits suits actuators such as heater contactors or small induction motors that can be driven directly without interposing relays.
The switching behavior and enclosure protection further refine its application range. A maximum switching rate of 100 Hz enables the triacs to follow line-frequency logic or low-frequency PWM without excessive junction heating, while a turn-on or turn-off lag of 10 ms keeps timing errors within a half-cycle of the mains. Internal circuitry draws only 3 mA of holding current, so outputs extinguish cleanly once the control signal is removed. An IP20 housing and certified isolation between groups and the PLC backplane allow safe installation inside protected panels where finger-safe access is adequate.
