The Allen-Bradley 1771-OFE2/B Analog Output Module is a versatile component designed to provide precise current outputs for industrial automation systems.
Key Features
- Output Channels: Four individually isolated channels delivering 4-20 mA current signals.
- Resolution: 12-bit digital-to-analog conversion, ensuring accurate signal representation.
- Isolation: Each channel offers 1000 V differential isolation, enhancing system safety and reliability.
- Settling Time: Maximum of 0.8 milliseconds, facilitating rapid response in control applications.
Applications
This module is ideal for controlling various final control elements, including:
- Variable Frequency Drives (VFDs)
- Valves
- Dampers
- Louvers
It is also suitable for transmitting signals to measuring and recording instruments such as signal isolators, panel meters, and data loggers.
Installation and Compatibility
- Chassis Compatibility: Fits into any 1771 I/O chassis, occupying a single slot.
- Wiring: Utilizes the 1771-WC field wiring arm for secure connections.
- Power Requirements: Draws 1.50 Amperes from the backplane at 5V DC, eliminating the need for an external power supply.
Technical Specifications
- Power Dissipation: 7.9 Watts
- Thermal Dissipation: 26.9 BTU/hr
- Recommended Wiring: 12-gauge stranded or solid wire with 3/64 inch (1.2 mm) insulation thickness; Belden 8761 cable is recommended.
- Module Keying: Set at 10 and 12 / 26 and 28 during installation.
Diagnostic Features
The module performs a self-check at startup. If a fault is detected, the red fault indicator LED illuminates, while the green power status LED remains off, providing clear diagnostic information.
The Allen-Bradley 1771-OFE2/B Analog Output Module is a reliable solution for precise current output control in various industrial applications.
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