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Identifies information that is critical for successful application and understanding of the product. Trademarks not belonging to Rockwell Automation are property of their respective companies.


Summary of Changes To help you find new and updated information in this release of the manual, we have included change bars as shown to the right of this paragraph. The table below lists the sections that document new features and additional or updated information about existing features.

Grounding mznual Terminating the DH Network MicroLogix Controllers and Ethernet Communication. If you do not, obtain the proper training before using this product. It describes the procedures you use to install, wire, and troubleshoot your controller.

Information on the MicroLogix Controllers instruction set. The program and data in your MicroLogix is non-volatile iser is stored when the power is lost to the controller. The memory module provides additional backup that can be stored separately. See Appendix H to l32bw how much heat a certain combination generates.

These cables are required for Class I Div. The Channel 0 and Channel 2 ports on the MicroLogix can be connected to the following: Chapter 1 Hardware Overview information, but also includes the data table memory map and data table monitor screen using a standard web browser. See Chapter 4 for more information on connecting to the available communication options. Chapter Install Your Controller This chapter shows you how to install your controller.

The only tools you require are a flat or Phillips head screwdriver and drill. For specific information required by ENsee the appropriate sections in this publication, as well as the following Allen-Bradley publications: Do not place the MicroLogix Programmable Controller in direct sunlight.

Allen-Bradley MicroLogix 1400 User Manual

Prolonged exposure to direct sunlight could degrade the LCD display and have adverse effects on the controller. If the power source cannot supply this inrush current, the source voltage may sag momentarily. The only effect of limited inrush current and voltage sag on the MicroLogix is that the power supply capacitors charge more slowly.

However, the effect of a Chapter 2 Install Your Controller voltage sag on other equipment should be considered. For example, a deep voltage sag may reset a computer connected to the same power source. The following considerations determine whether the power source must be required to supply high inrush current: Install Your Controller Chapter 2 Preventing Excessive Heat For most applications, normal convective cooling keeps the controller within the specified operating range.


Ensure that the specified temperature range is maintained. Proper spacing of components within an enclosure is usually sufficient for heat dissipation. In some applications, a substantial amount of heat is produced by other equipment inside or outside the enclosure.

The master uset relay is not 1676 substitute for a disconnect to the controller. Use a screwdriver as in step 1 to remove the memory module in the future.

The Battery Low indicator on the LCD display l32bwaa the controller shows the status of the replaceable battery. When you connect or disconnect the battery an electrical arc can occur. This could cause an explosion in hazardous location installations. Be sure that the area is nonhazardous before proceeding.

For 1676 information on the handling of lithium batteries, including handling and disposal of leaking batteries, see Guidelines for Handling Lithium Batteries, publication AG Chapter 2 Install Your Controller Mounting the Controller MicroLogix controllers are suitable for use in an industrial environment when installed in accordance with these instructions.

Specifically, this equipment is intended for use in clean, dry environments Pollution degree A flat-blade screwdriver is required for removal of the controller.

The controller l32bda be mounted to ENx7. DIN rail mounting dimensions are shown below. Mount to panel using 8 or M4 screws.

To install your controller using mounting screws: Remove the mounting template from inside the back cover of the MicroLogix Programmable Controllers Installation Instructions, publication IN Secure the template to the mounting surface. Make sure your controller is spaced properly. The latch momentarily opens and locks into place. The following illustration shows the location of the end anchors. For environments with greater vibration and shock concerns, use the panel mounting method described below, instead of DIN rail mounting.

Panel Mounting Use the dimensional template shown below to mount the module. Do not pull on the ribbon cable. Chapter 2 Install Your Controller Notes: The diameter of the terminal screw head is 5. The input and output terminals usr the MicroLogix controller are designed for a 6.

Wire Your Controller Chapter 3 When using spade lugs, use a small, flat-blade screwdriver to pry the finger-safe cover from the terminal blocks as 3l2bwa below.

Then loosen the terminal screw. Finger-safe cover Using Surge Suppressors Because of the potentially high current surges that occur when switching inductive load devices, such as motor starters and solenoids, the use of some type of surge suppression to protect and extend the operating life of the controllers output contacts is required. Wiring Diagrams The following illustrations show the wiring diagrams for the MicroLogix controllers.

Controllers with DC inputs can be wired as either sinking or sourcing inputs.

Rockwell Automation 1766-L32BWA Manuals

Sinking and sourcing does not apply to AC inputs. Refer to Sinking and Sourcing Wiring Diagrams on page Maanual Your Controller Chapter 3 This symbol denotes a protective earth ground terminal which provides a low impedance path between electrical circuits and earth for safety purposes manuaal provides noise immunity improvement.


This connection must be made for safety purposes on AC-powered controllers. It should only be used to power input devices, for example, sensors and switches. Wiring Diagrams Type Definition Sinking Input The input energizes when high-level voltage is applied to the input terminal active high. To help reduce the effects of environmental noise, install the MicroLogix system in a properly rated for example, NEMA enclosure.

Make sure that the MicroLogix system is properly grounded. Wire Your Controller Chapter 3 Wiring Your Analog Analog input circuits can monitor voltage signals and convert them to serial digital data. Several specific steps can be taken to help reduce the effects of environmental noise on analog signals: The Belden cable has two signal wires black and clearone drain wire, and a foil shield.

The drain wire and foil shield must be grounded at one end of the cable. Foil Shield Black Wire Insulation You can access the switches ,32bwa the ventilation slots on the top of the module. Wire Your Controller Chapter 3 channel 0; switch 2 controls channel 1. The factory default setting for both switch 1 and switch 2 is Current. Switch positions are shown below. Chapter 3 Wire Your Controller Notes: Default Communication The MicroLogix communication Channel 0 has the l32wba default communication configuration.

Configuration For Channel 0, the default configuration is present when: Communication Connections Chapter kanual mode. Hold down the OK key more than 5 seconds to toggle the communication mode on the Main Menu screen.

Rockwell Automation L32BWA Manuals

The Communication Toggle Functionality only affects the communication configuration of Channel 0. Changing Communication Configuration Follow the procedure below to change from the user-defined communication configuration to the default communications mode and back. Chapter 4 Communication Connections 2. The Advanced Settings Menu screen is displayed. In this example, the current status is Disable. Connecting to the RS There are two ways to connect the MicroLogix programmable controller to your personal computer using the DF1 protocol: MicroLogix controllers and the DPS1 network port.

The recommended protocol for this configuration is DF1 Full-Duplex. Refer to the following typical pinout: Optical Isolator Modem 9-Pin Pin MicroLogix controllers to the RS network. Use these instructions for wiring the Belden A or cable.

If you are making a cable to connect to port 2, you must configure your cable to connect to the Allen-Bradley cable shown above. This product must be installed in an enclosure. All cables connected to the product must remain in the enclosure or be protected by conduit or other means. Instead these pins are used to provide RS communications directly.

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