Allen-Bradley 1756-L61 ControlLogix Logix5561 Processor

Description

The Rockwell Allen Bradley 1756-L61 controller is a versatile and reliable component in the ControlLogix family, designed for complex automation tasks. It is widely used in industrial settings due to its robust performance and extensive connectivity options. This controller supports a wide range of communication protocols, making it ideal for integration into diverse automation systems.

Features

• Task Management: Supports up to 32 tasks with 100 programs per task, allowing for efficient and flexible automation control.
• Event Tasks: Capable of handling all event triggers, ensuring responsive and adaptive control processes.
• Communication Ports: Equipped with 1 RS-232 serial port for straightforward and reliable serial communication.
• Communication Options: Compatible with multiple networks including EtherNet/IP, ControlNet, DeviceNet, Data Highway Plus™, Remote I/O, SynchLink, and various third-party process and device networks.
• Serial Communication Protocols: Supports ASCII, DF1 full/half-duplex, DF1 radio modem, DH-485, and Modbus via logic, providing versatile options for serial data transmission.
• Controller Connections: Can support up to 250 controller connections, ensuring ample connectivity for large-scale automation systems.
• Network Connections: Offers robust network connections, supporting up to 128 ControlNet (1756-CN2/B), 100 ControlNet (1756-CN2/A), 40 ControlNet (1756-CNB), and 256 EtherNet/IP with 128 TCP (1756-EN2x) or 128 EtherNet/IP with 64 TCP (1756-ENBT).

Specifications

• Type: TMR (Triple Modular Redundancy)
• Resolution: 12 bits
• Output Current Range:
  • 4–20 mA output, controlled
  • 0–22 mA over-range
  • 0 mA output capability (step function < 2 mA)
• Output Accuracy: Less than 0.25% of FSR (0–22 mA) within the temperature range of 32° F to 158° F (0° C to 70° C).
• External Loop Power:
  • Maximum: 32 VDC
  • Nominal: 24 VDC
• Output Loop Power Requirements:
  • 300 Ω at >16 VDC (1 A minimum)
  • 500 Ω at >20 VDC (1 A minimum)
  • 700 Ω at >24 VDC (1 A minimum)
  • 800 Ω at >28 VDC (1 A minimum)
• Over-Range Protection: Continuous protection up to 36 VDC and 0 VDC.
• Switch Time on Leg Failure: Typical 1 ms, maximum 3 ms.

Dimensions: 6.0" x 2.0" x 6.0" (15.2 cm x 5.1 cm x 15.2 cm)

Weight: 0.3kg