Overview of MicroLogix 1400 PLC (Bulletin 1766)

The MicroLogix 1400 is a versatile, compact PLC designed for small to mid-size control applications. It offers advanced features with an intuitive design, ensuring both ease of use and high performance. Here are the key features:

• I/O Configuration:
  • 20 Digital Inputs (24V DC)
  • 6 Relay Outputs
  • 7 Digital Outputs (24V DC)
  • 24V DC Power Supply
• Communication Capabilities:
  • Ethernet port supporting Web server and email capabilities
  • DNP3 protocol support
  • Dual serial ports with DF1, DH-485, Modbus RTU, DNP3, and ASCII protocols
• High-Speed Capabilities:
  • Up to 6 embedded 100kHz high-speed counters (DC input models only)
• Built-in LCD Display:
  • View controller and I/O status, messaging, data monitoring, and manipulation
• Memory:
  • 10 KB user program memory
  • 10 KB user data memory
  • Up to 128 KB for data logging
  • 64 KB for recipe storage
• Expansion Options:
  • Compatible with Bulletin 1762 MicroLogix Expansion I/O Modules
  • Expandable up to 256 I/O points

Specifications

• Product Series: MicroLogix 1400 (Bulletin 1766)
• Component Type: PLC & I/O

Electrical Specifications:

• Nominal Supply Voltage: 24 V DC
• Memory:
  • Program Memory: 10 KB
  • Data Memory: 10 KB
• Inputs:
  • Total Digital Inputs: 20
  • Digital Input Type: 24V DC Sink/Source type
  • Fast Digital Inputs: 12 (shared), 12/24V DC Sink/Source type
  • High-Speed Counter Inputs: 6 (shared), 2-wire HSC type
• Outputs:
  • Total Outputs: 12
  • Relay Outputs: 6 (NO 125V DC / 250V AC)
  • Fast Digital Outputs: 3 (shared), 24V DC Source type
  • Pulse Train / PWM Outputs: 3 (shared), PTO/PWM type

Communication:

• Onboard Communication Ports:
  • 8-pin Mini DIN (RS232)
  • 9-pin D-Shell Socket (RS232)
  • RJ-45 Ethernet Port
• Communication Protocols:
  • ASCII
  • Modbus RTU
  • EtherNet/IP
  • EtherNet/OCPP
  • DF-1 (Half-Duplex/Full Duplex)
  • Modbus RTU Slave
  • DNP3 Slave
  • Modbus-TCP/IP
• Real-Time Clock: Integrated

Display and Configuration:

• Display Type: Integrated LCD with backlight
• Local Expansion Modules: 7 maximum
• Software Configuration: RSLogix500

Environmental and Durability:

• Operating Temperature: -20°C to 60°C
• Storage Temperature: -40°C to 85°C
• Relative Humidity: 95% RH (non-condensing)
• Shock and Vibration Ratings:
  • Shock Acceleration: 30 g (IEC 60068-2-27)
  • Shock Rating: 3 m/s² (IEC 60068-2-6)
  • Vibration Acceleration: 500 Hz
  • Vibration Rating: IEC 60068-2-6