IMPORTANT. This User Manual should be used in conjunction with the DNB DeviceNet Scanner Module. Installation Instructions, publication DeviceNet. Logix DNB. RSLogix RediSTATION. DNB DeviceNet Scanner. Module Installation Instructions(DNB. DeviceNet.) Publication INB-EN-P – April Installation Instructions. ControlLogix DeviceNet. Scanner Module. Catalog Number DNB. Use this manual as.

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Manual 1756-dnb/e eds

The following table identifies what this manual contains and where to find specific information. Identifies information about other practices or circumstances that can lead to personal injury or death, property damage or economic loss.

Warning and Attention statements help you to: Identifies information that is critical for successful application and understanding of the product.

It has been designed and tested to mahual the following directives. For specific information required by ENsee the appropriate sections in this publication, as well as the following Allen-Bradley publications: Industrial Automation Wiring and Grounding Guidelines, publication Manyal Systems Catalog, publication B Open style devices must be provided with environmental and safety protection by proper mounting in enclosures designed for specific application manuap.

See NEMA Standards 1756-enb and IEC publicationas applicable, for explanations of the degrees of protection provided by different types of enclosure. The interior of this enclosure must be accessible only by the use of a tool. This industrial control equipment is intended majual operate in a Pollution Degree 2 environment, in overvoltage category II applications, as defined in IEC publication A at altitudes up to meters without derating.

Preventing Electrostatic Discharge The DeviceNet scanner module is sensitive to electrostatic discharge. This module is sensitive to electrostatic discharge. Electrostatic discharge can damage integrated circuits or semiconductors if you touch backplane connector pins. Follow these guidelines when you handle the module: Touch a grounded object to discharge static potential. Wear an approved wrist-strap grounding device. Do not touch the backplane connector or connector pins.

Do not touch circuit components inside the module. If available, use a static-safe work 1756-dnh. When mznual in use, keep the module in its static-shield bag. Slave Mode The slave mode feature allows processor-to-processor communication. It does this by allowing the scanner to perform as a slave device to another master on the network. Like other slaves, the scanner module exchanges data with only one master when it is in slave mode. You control what information is exchanged through the scan list configuration and 1756-dnnb mapping functions of RSNetWorx for DeviceNet software.


The DNB can function in the following modes: Scanner is in this mode when it Null Master Slave Dual contains an empty or disabled scan list out-of-box default. Change of State The scanner module can send and receive data on majual change of state basis with slave devices that also have this feature.

Identify Module Components Use the following figure to identify the external components of the module. When you insert or remove a module while backplane power is on, an electrical arc may occur.

An electrical arc can cause personal injury or property damage by: Worn contacts may create electrical resistance that can affect module operation. Manaul the Chassis for Module Installation Before you install the module, you must install and connect a ControlLogix chassis and power supply.

A 4-slot chassis with a power supply is shown below.

Chassis Type Series B: Slot 0 is the first slot and is always located to the right of the power supply. You can use any size ControlLogix chassis and install the module in any slot. You can also install multiple DNB modules in the same chassis. You can install as many modules as your power supply can 1756-dnv i. Make sure the module properly connects to the chassis backplane.

An open-style position linear plug is provided with your module. Tighten the screws on the connector as needed. When you apply chassis power, the alphanumeric display cycles through the following information: Firmware major revision 01 through 2. Firmware minor revision 01 through 3.

Optional Firmware Build Number 4. Baud rate, or 5.

Without a network connection it displays baud rates, allowing you to select the rate for your module. With a network connection it displays the MAC ID or network node address, allowing you to select the 1756-dnv address for your module. If your module is not connected to the network: Select the network baud rate by pushing and holding the pushbutton.

Release the button when the baud rate you want 1756-dhb select is shown on the display. If your module is connected to the network: Select the network node address by pushing in and holding the pushbutton.

The display starts at the current MAC ID and cycles through all legitimate the network node addresses Release the button when the address number shown on the display is the number you want to select. The alphanumeric display flashes the codes at approximately 1 second intervals. As an example, the display for RUN toggles between the network address and the mode: The display toggles through these elements until the error is corrected.


A 01 N 33 E 72 The following table summarizes the codes.

The node address you selected is already in use on that network. Reconfigure the scan list table and remove any illegal data. Inspect the slave devices and verify connections. Verify that the correct device is at this node number. Make sure mznual device at the scrolling node address matches the desired electronic key vendor, product code, product type, etc. Slave device stopped communicating node number alternately flashes. Recommended Action Modify your configuration and check for invalid data.

Check network communication kanual. Check the network configuration. The scanner hears other network communication, but none directed to itself. No direct network traffic for scanner detected.

Slave device in scan list table does not exist node number alternately flashes. Scanner has failed to transmit a message.

Scanner is in IDLE mode. Add the device to the network, or delete the scan list entry for that device.

DNB configuration button – Allen Bradley –

Make sure that your module is connected to a valid network. Check for disconnected cables. Put controller in RUN mode. Check slave device configuration. Slave device is returning error responses when scanner attempts to communicate with it node number alternately flashes. Scanner is initializing the DeviceNet network. Check accuracy of scan list table entry. This code clears itself once scanner attempts to initialize all slave devices on the network.

Try replacing slave device. Device is manuaal zero length data idle state while scanner is in Run Mode.

1756-DNB configuration button

Check device configuration and slave node status. Scanner is detecting communication errors. Recommended Action Check DeviceNet connections and physical media integrity. Check system for failed slave devices or other possible sources of network interference. Make sure that module drop cable is providing network power to module comm. Scanner halted by user command.

User has disabled communication port. No network power detected on communication port. Make sure 1756-rnb scanner drop cable is providing network power to scanner communication port. Enter a scan list. Check DeviceNet connection on front of module. manial

ControlLogix DeviceNet Scanner Module Installation Instructions_百度文库

The scanner hears other network communication. No scan list is active in the module or no messages have been received by the scanner. The following tables outline the indicator condition and the corresponding status, and explain what each condition means.