ControlLogix Series 1756-L61 | Allen-Bradley Controller

Description

1756-L61 is a ControlLogix series controller from Allen-Bradley, designed for medium-scale process applications. 

General Specifications

• Part Number: 1756-L61
• Manufacturer: Rockwell Automation (Allen-Bradley)
• Series: ControlLogix
• Module Type: Processor Module
• Weight: 0.71 lbs (0.32 kg)
• Fixed Memory: 2, 4, or 8 MB
• Nonvolatile Memory: 128 MB via 1784-CF128 CompactFlash
• Backplane Current (5V DC): 1.2 Amps
• Backplane Current (24V DC): 14 mA
• Communication: RS-232 serial port, supports multiple protocols including ASCII, DF1, Modbus, and more

I/O and System Performance

• Max Digital I/O: 128,000
• Max Analog I/O: 4,000
• Program Scan Time: 0.08 ms
• User Memory: 2 MB
• Controller Connections: Up to 250

Power and Environmental Conditions

• Power Supply: +12 to +35 Vdc
• Power Dissipation: 3.5 W
• Thermal Dissipation: 11.9 BTU/hr
• Operating Temperature: 0°C to 60°C (32°F to 140°F)
• Storage Temperature: -40°C to 85°C (-40°F to 185°F)
• Humidity: 5% to 95% (non-condensing)
• Vibration: 2 g at 10-500 Hz
• Shock: 30 g (operating), 50 g (non-operating)

Communication and Redundancy

• Communication Modules: Supports EtherNet/IP, ControlNet, DeviceNet, and more
• Redundancy: Supports system redundancy for high availability

Programming and Languages

• Supported Languages:
  • Relay Ladder
  • Structured Text
  • Function Block Diagram (FBD)
  • Sequential Function Chart (SFC)

Battery and Accessories

• Battery Options:
  • Series A: 1756-BA1, 1756-BATM, 1756-BATA
  • Series B: 1756-BA2
• Required Communication Cable: 1756-CP3 or 1747-CP3 (3 m/9.84 ft)