The 1769 L24ER QB1B is a compactLogix EtherNet/IP programmable automation controller (PAC) from Allen-Bradley. It is designed for small to medium-sized industrial control applications that require high-performance control capabilities.
In this article, we will discuss the wiring diagram for the 1769 L24ER QB1B, including its various components and connections.
1769 L24ER QB1B Overview
The 1769 L24ER QB1B is a compactLogix controller that features a dual-core processor running at 1.5 GHz. It has 512 MB of RAM and 1 GB of non-volatile memory for program storage. It supports up to 16 I/O modules and has two built-in Ethernet ports.
The controller supports a wide range of communication protocols, including EtherNet/IP, DeviceNet, ControlNet, and RS-232/485. It also features advanced security and encryption features, including support for SSL and SSH protocols.
1769 L24ER QB1B Specifications
The 1769 L24ER QB1B has the following specifications:
| Processor | Dual-core 1.5 GHz |
|---|---|
| Memory | 512 MB RAM, 1 GB non-volatile memory |
| I/O Modules | Up to 16 |
| Ethernet Ports | 2 |
| Communication Protocols | EtherNet/IP, DeviceNet, ControlNet, RS-232/485 |
1769 L24ER QB1B Wiring Diagram
The 1769 L24ER QB1B wiring diagram shows the various components and connections of the controller. It is important to follow the wiring diagram carefully to ensure proper installation and operation of the controller.
Power Supply Connections
The first step in wiring the 1769 L24ER QB1B is to connect the power supply. The controller requires a 24V DC input, which can be provided by a power supply module. The power supply module should be connected to the controller’s power input terminals, which are labeled +24VDC and GND.
It is important to ensure that the power supply provides sufficient current to power all connected I/O modules and devices. The power supply should be rated to provide at least 3A of current at 24V DC.
I/O Module Connections
The 1769 L24ER QB1B supports up to 16 I/O modules, which can be connected using a variety of communication protocols. The wiring diagram shows the connection of I/O modules using the EtherNet/IP protocol.
To connect an I/O module, insert the module into the appropriate slot on the controller’s chassis. Then, connect the communication cable from the module to one of the controller’s Ethernet ports. The cable should be connected to the Ethernet port labeled ENET1 or ENET2.
It is important to ensure that the I/O module is compatible with the controller and has the appropriate firmware version. The firmware version can be checked using the controller’s programming software.
Device Connections
The 1769 L24ER QB1B can communicate with a wide range of devices, including sensors, actuators, and other controllers. The wiring diagram shows the connection of devices using the EtherNet/IP protocol.
To connect a device, connect its communication cable to the appropriate Ethernet port on the controller. The cable should be connected to the Ethernet port labeled ENET1 or ENET2.
It is important to ensure that the device is compatible with the controller and has the appropriate firmware version. The firmware version can be checked using the controller’s programming software.
FAQ
What is the 1769 L24ER QB1B?
The 1769 L24ER QB1B is a compactLogix EtherNet/IP programmable automation controller (PAC) from Allen-Bradley. It is designed for small to medium-sized industrial control applications that require high-performance control capabilities.
What communication protocols does the 1769 L24ER QB1B support?
The 1769 L24ER QB1B supports a wide range of communication protocols, including EtherNet/IP, DeviceNet, ControlNet, and RS-232/485.
How many I/O modules does the 1769 L24ER QB1B support?
The 1769 L24ER QB1B supports up to 16 I/O modules.
What power supply is required for the 1769 L24ER QB1B?
The 1769 L24ER QB1B requires a 24V DC input, which can be provided by a power supply module rated to provide at least 3A of current at 24V DC.
How do I connect a device to the 1769 L24ER QB1B?
To connect a device, connect its communication cable to the appropriate Ethernet port on the controller. The cable should be connected to the Ethernet port labeled ENET1 or ENET2.
How do I check the firmware version of an I/O module or device?
The firmware version can be checked using the controller’s programming software.
