Brand:Allen-Bradley Model number:1768-L45
Country of origin: United States Product weight:0.175kg
Product Details:
1768-L45 Allen-Bradley point I/O
Product Dimensions:
This publication describes enhancements and anomalies (known and corrected) for the 1768 CompactLogix controllers, revision 17.x. We strongly recommend that you review the information provided regarding previous firmware revisions. We recommend that you do so because, if you are upgrading your firmware through multiple previous revisions, all of the information specific to all of the revisions is applicable. For example, if you need to upgrade your 1768-L43 controller from revision 16.07…17.012, all of the information specific to revisions 16.07, 16.09, 16.20, 16.21and 16.23 is applicable.
This revision of the firmware release notes, 1768-RN017E, provides updated information specific to firmware revision 17.012 for all 1768 CompactLogix controllers.
Loss of communication or power during a controller firmware upgrade may result in the controller’s rejection of the new firmware. If the controller firmware upgrade fails due to those conditions described, the following corrective actions may be required:
• Cycle controller power and successfully complete the upgrade.
• If a nonrecoverable fault, then return the controller for factory repair
Table 3 - Enhancements with Revision 17.02
Enhancement | Description |
Support for Series B Controllers | This firmware revision supports the use of 1768 CompactLogix controllers, series B. |
Advanced Process Control Instructions | Three new instructions targeted for process applications have been added. The new instructions are: • Internal Model Control (IMC) – Compares actual process error against error calculated by an internal first order lag plus deadtime model. • Coordinated Control (CC) – Controls a single process variable by manipulating as many as three different control variables. • Modular Multivariable Control (MMC) – Controls two process variables to their setpoints using up to three control variables. Instructions need to be purchased separately and licensed per use. The catalog numbers and associated use types are: • 9324-RLDAPCENE – provides a license to use the instructions in RSLogix 5000 and provides a license to use them in a single Logix controller. • 9324-RLDAPCCLENE - provides a license to use the instructions in an additional controller, pay-to-deploy. |
Runtime Partial Import | You can now import programs, equipment phases, routines, rungs, and new Add-On Instructions into a running system. You can add these new components, as well as replace existing programs, equipment phases, and routines, while the system is running. New tags and User-Defined Types will be created as needed with values initialized from the import file. Data values of existing tags will be maintained. |
Kinetix® 6000 Advanced Safety Drive (S1) Support | Version 17 provides support for the Kinetix 6000 Sercos S1 Advanced Safety based family of drives. The safety status can be directly accessed by the user’s application via two new sercos Axis attributes (GuardStatus and GuardFaults) in the Axis_Servo_Drive data type. The configuration of the S1 Drive’s safety parameters is done via an Ethernet WEB based interface and downloaded to the Kinetix 6000 drive via this Ethernet connection. |
Kinetix 6000 Enhanced Safe Torque-off Drive (S0) Support | Version 17 provides support for the Kinetix 6000 sercos S0 Enhanced Safety based family of drives. The safety status can be directly accessed by the user’s application via a bit attribute (SafeOff) in the Axis_Servo_Drive data type. |
Pause Management for Step Timer ACC | The Logix5000 timers store a portion of the wall clock with each scan and compare this to the value from the last scan. The timer’s ACC value is updated by the difference. Previous to version 17, when a Sequential Function Chart (SFC) routine was paused and then released, all of the step timers jumped forward by the length of the pause time. Version 17 now provides an option to control how the step timers will treat the pause – ignore it or count the pause time. |
Reading SFC Chart Paused State via GSV Instruction | With version 17 of RSLogix 5000 software, the paused state of a Sequential Function Chart can be determined programmatically using the Get System Variable (GSV) instruction. |
Produced/Consumed Tag Structures Status | With version 17 of RSLogix 5000 software, status information can be included with produced and consumed tags. In order to take advantage of this enhancement, the Produced/Consumed tag will need to be a User Defined Type (UDT) with the first member being of data type CONNECTION_STATUS.(1) |
Added Extended Error Codes for MAOC Cam & Compensation array errors. | For Error Codes 36 and 37, new Extended Error Codes are available for Output Cam array and Output Compensation array errors. The Extended Error Codes describe errors that may occur because the element is incorrectly configured or the value of one of its members is out of range. |
Support of Programmable Jerk for Multi-Axis Coordinated Move Instructions | Support for programmable jerk has been extended to the multi-axis move instructions, that is, MCCM, MCLM, MCCD and MCS. You are now able to specify acceleration and deceleration jerk rates for the multi-axis coordinated moves directly via operands in the instruction faceplate for S-Curve profile motion for these instructions. The configurable maximum jerk rates are also accessible programmatically via the Get System Variable (GSV) and the Set System Variable (SSV) instructions. For project conversions, the new Jerk Operands are pre-populated in the MCLM, MCCM, MCCD and MCS instructions with default values for Jerk rate as 100% of time. |
Support for Programmable Jerk for Single-Axis Change Dynamics Instruction (MCD) | The MCD instruction is used to Change the Speed, Acceleration and Deceleration of a running Single Axis Motion. Now with the Programmable Jerk, you can specify the Accel and Decel Jerk for S-Curve Profiles. |
Added ability to apply change dynamics to Active and Pending Motion | A new enumeration, that is Active and Pending Motion, has been added to the Scope variable of the MCCD instruction. Choosing Active and Pending Motion specifies that the changes affect the motion dynamics of the active coordinated motion instruction and any pending coordinated motion instruction in the queue. |
(1) Note that RSNetWorx software, version 9.00.00 or later, is required when scheduling a ControlNet network that has Produced/Consumed tags with status.
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