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  • 1769-L27ERM-QBFC1B Allen-Bradley CompactLogix 5370 Controllers

1769-L27ERM-QBFC1B Allen-Bradley CompactLogix 5370 Controllers

PRODUCT DETAIL

1769-L27ERM-QBFC1B Allen-Bradley CompactLogix 5370 Controllers, Revision 21


Product information:

Brand:Allen-Bradley                              Model number:1769-L27ERM-QBFC1B

Condition:new                              Warranty: 12 month

Lead Time:3-day working da        Country of origin: United States

Price: Please contact us                   Product weight:0.835kg

HS: 8517623990


Product technial information:


 

1769-L27ERM-QBFC1B Allen-Bradley CompactLogix 5370 Controllers



Cat. No.

Description

1769-L30ER,

1769-L30ERM,

1769-L30ER-NSE,

1769-L33ER,

1769-L33ERM,

1769-L36ERM

CORRECTED: A combination of two application conditions may cause the System Task that manages the local CompactBus to stop functioning, resulting in a number of unexpected control system behaviors.

The first application condition includes any of the following:

   Your controller is sending MSG instructions to modules on the local CompactBus.

   Your controller is sending MSG instructions across the CompactBus and through a network communication module to remote modules, for example, through a local 1769-SDN module to I/O modules on a DeviceNet network or a 1769-SM1 module to modules on a DPI/SCANport network.

   Your controller is online with or browsing a DeviceNet network via a 1769-SDN scanner module via a controller connection, that is, through an EtherNet/IP communication module or USB cable.

   Your controller’s project includes the maximum number of local expansion modules with each module’s RPI configured for a very fast rate.

The second application condition is that you change the RPI rate for one or more Compact I/O modules in the control system via a project download or online change.

When the anomaly occurs, the following events occur:

   The Continuous Task no longer executes.

   All User tasks, that is, Periodic and Event Tasks, configured at priority 6 and lower no longer execute.

   All communication coming to the controller and going out from the controller stops.

   I/O processing on the local CompactBus stops. In this case, outputs operate in their commanded state.

   I/O connections over an EtherNet/IP network will continue to operate. However, the connections may no longer update, depending on where they are controlled in the application code.

For example, if the I/O connections over an EtherNet/IP network are controlled via the Continuous Task, they no longer update.

You can correct this anomaly by cycling power to the controller.

00129742

1769-L30ER,

1769-L30ERM,

1769-L30ER-NSE,

1769-L33ER,

1769-L33ERM,

1769-L36ERM

CORRECTED: If a single module on the CompactBus experiences a fault or connection loss, all bits in the Fault word transition to 1.

The Fault word bits for only the faulted module should transition to 1 and the Fault word bits for the other modules on the CompactBus remain 0. However, the Fault word bits for all modules transition to 1.

Despite the Fault word bit transition to 1, the other modules on the CompactBus should be operating as expected. The controller incorrectly reports that the unaffected modules have experienced a fault.

You must cycle power to the controller for the bits to return to the correct status, that is, 0, when all modules are in the running state.

00126024

If the controller project includes modules with large I/O sizes, for example, ProSoft or 1769-SDN DeviceNet scanner modules, the initial project download executes as expected.

Subsequent project downloads to the controller fail and the Logix Designer application goes offline.

00135974




Delivery information:

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

Transport: In Stock Ready for Shipment via DHL, TNT, FEDEX, UPS, ARAMEX and etc

Express cooperation: fedex, DHL, UPS and your express account 

Service: Professional Sales provides 24 hours /7 days online service

Welcome, thank you for your trust, The seller has more than $1526000 worth of industrial control products inventory.hope we can help you solve your problem!!!  We Can transport to the world!!!


Contact information:

Contact person:Luna Chen

Email Address::sales6@saulplc.com

WhatApp: +86 13358378970

We look forward to your inquiry and will get back to you as soon as possible.

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