Modicon AS-B804-116 Output Module: 16-Point 115V AC Discrete Output
The Modicon AS-B804-116 is a 16-point discrete output module designed for industrial automation systems requiring reliable 115V AC output control. As part of the Modicon 800-Series, this module efficiently converts PLC logic signals into independent AC outputs, making it suitable for driving various industrial devices such as relays, pilot lamps, motor starters, and solenoids.
Key Features
- 16 Discrete Outputs: Organized into two groups of eight, allowing for structured and efficient control of connected devices.
- High Current Capacity: Each output can handle up to 2.0 A continuously, with a surge capacity of 50 A for one cycle, accommodating high inrush currents typical in industrial applications.
- Robust Design: Utilizes triac switches capable of withstanding high surge currents, ensuring durability and reliability in demanding environments.
- Efficient Power Management: The module supports a total continuous current of 6 A per group and 12 A per module, optimizing power distribution across outputs.
- Standardized Connections: Equipped with a standard screw terminal strip (AS-8534-000), facilitating straightforward and secure wiring connections.
Technical Specifications
| Specification | Details |
|---|---|
| Operating Voltage | 80 to 130 V AC continuous, 47 to 63 Hz |
| Number of Outputs | 16 (divided into 2 groups of 8) |
| Continuous Current per Output | 2.0 A |
| Surge Current per Output | 50 A for one cycle |
| Maximum Current per Group | 6 A |
| Maximum Current per Module | 12 A |
| Minimum Load Current | 25 mA |
| Maximum OFF-State Leakage Current | 3 mA at 115 V AC |
| Voltage Drop | 1.5 V at 2.0 A |
| Response Time | 8.3 ms (OFF to ON and ON to OFF) at 60 Hz |
| Power Requirements | +5 V: 76 mA; +4.3 V: 480 mA; -5 V: 0 mA |
| Module Dimensions | Occupies 1 slot |
| Weight | Approximately 2.75 lbs (1.25 kg) |
| Fusing | Type 3AB, 8 A (normal blow) |
Applications
The AS-B804-116 module is ideal for various industrial applications, including:
- Controlling motor starters and contactors
- Operating pilot lamps and indicator lights
- Actuating solenoids and relays
- Managing other 115V AC-driven devices within automated systems
Its robust design and high current handling capabilities make it a reliable choice for complex automation tasks requiring precise and efficient output control.

















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