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The 120771 drive interface board from Allen Bradley is engineered for integration with the 1336 Series AC Drives. This unit supports a power range of 3 to 200 HP and is designed to facilitate efficient communication between components.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Drive Interface Board |
| Product Line | 1336 PCB Boards |
| Part Number | 120771 |
| Weight | 2.00 lbs (0.91 kg) |
| Supported Power Range | 3-200 HP |
| Signal Integrity | Ribbon cable shielded interface |
| Compatible Drive Family | 1336 Series AC Drives |
| Connector Interfaces | 2× ribbon cable headers (J1 and J2) |
| Chip Components | 74HCT logic family ICs |
| On-Board Display | Integrated keypad with LCD |
| Programming Buttons | Enter, PR, and Up/Down Arrows |
| Primary Application | Human Interface Module for VFDs |
| Voltage Interface | Standard low-voltage logic signals |
| Mounting Method | PCB-mounted with screw fasteners |
The 120771 drive interface board by Allen Bradley serves as a pivotal element in the control of 1336 Series AC Drives. This particular board handles a power span of 3-200 HP, making it suitable for a range of variable frequency drive (VFD) applications. With a weight of 1.00 lb, it presents a compact solution for installation within control panels.
Signal integrity is maintained through the use of a ribbon cable shielded interface, ensuring reliable communications. The board features two connector interfaces, labeled J1 and J2, facilitating straightforward attachment to drive systems. Internally, it incorporates 74HCT logic family integrated circuits to manage logic operations efficiently.
The integrated display includes an LCD, complemented by a keypad for user interaction. The keys provide functions for entering commands, programming, and adjusting values through up and down buttons. Designed primarily as a human interface module for VFDs, this board effectively translates operator commands into actionable signals for the drive.
It operates on standard low-voltage logic signals, making it compatible with various control system architectures. For mounting, the board employs a PCB-mounted design secured with screw fasteners, ensuring a stable installation within a control environment. Overall, the 120771 drive interface board is an essential component for achieving precise control and monitoring in AC drive applications.