Part Number: 1756-L83E

Weight: 1.06 lbs (0.48 kg)

Tasks: 32

Module Type: Processor Module

Communications: USB, Ethernet

Nonvolatile Memory: 2 GB (1784-SD2 ships with every controller)

Communication Speed: 12 MB-Second

Communication: 1 port USB; Ethernet

Ethernet Nodes: 100 or 250

Ethernet Communication Speed: 10/100/1000 Mbps

Current Draw (1.2 Volts DC): 5 milliamps

USB Communication Speed: 12 Mbps

Current Draw (5.1 Volts DC): 1.2 amps

Discrete I/O: 128,000

Power Dissipation: 6.2 Watts

User Memory: 4 MB

Analog I/O: 4,000

Thermal Dissipation: 21.2 BTU/hr

Isolation Voltage: 50 Volts Continuous

Backplane Current (1.2 Volts DC): 5 mA

Backplane Current (5.1 Volts DC): 1.2 mA

Enclosure: None

Relative Humidity: 5–95%

This controller is also designed with an embedded Ethernet communication port which support auto-negotiation with support for 10/100/100 Mbps transmission rate. Only linear topology may be implemented through this embedded port however, this controller module support addition of communication modules such as EtherNet/IP, ControlNet, DeviceNet, Data Highway Plus, Remote I/O, SynchLink and Third-party process and device networks for implementing a more sophisticated communication topology.

BOOTP-DHCP utility is used to configure an IP address to this module. For standard applications, this controller supports configuration of Static IP address however, for advanced security requirements, it may also be configured with dynamic IP parameters. With dynamic parameter, the address changes every power cycle or as triggered by a network provider. This setting is ideal for critical applications to prevent unwanted access to control and operational data.

Frequently asked questions：

Q1: What is the 1756-L83E?

A: The 1756-L83E is an controller, designed for large-scale industrial systems, providing high-speed processing and extensive I/O support.

Q2: What is the discrete I/O capacity?

A: This controller supports up to 128,000 discrete I/O points, making it suitable for complex  tasks with extensive input/output requirements.

Q3: What is the power dissipation?

A: The power dissipation is 6.2 Watts, ensuring efficient operation while maintaining thermal stability.

Q4: What is the current draw?

A: The controller draws 5 mA at 1.2 V DC and 1.2 A at 5.1 V DC, providing details for proper power supply planning.

Q5: What communication interfaces are supported?

A: The 1756-L83E features a USB interface with a communication speed of 12 Mbps, allowing fast and reliable programming and diagnostics.

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