ABB CI810B 3BSE020520R1 control module

PanelView Plus operator terminals utilizing the serial port to communicate with the controller will not establish communication at startup. When the application on the PanelView Plus operator terminal begins to initialize communication with the controller, the controller responds with packets that exceed the 500-byte packet size. The PanelView Plus operator terminal then stops attempting communication with the controller. When this occurs, data is not updated on the PanelView Plus operator terminal.

If an Add-On Instruction is executed after a FFL

 or LFL instruction in a given program, the internal registers are incorrectly written to and the result is a Major Non-Recoverable Fault. For the fault to occur, all of the following must be true: · The Add-On Instruction and FFL and LFL instruction must be in the same program in a Logix application. If the application has two programs defined and the Add-On In- struction is in program A and the FFL or LFL are in program B, no anomaly will be seen. · The FFL/LFL instruction must load a scalar type (SINT, INT, DINT, or REAL). If the source value is a structure, no anomaly will be seen. · The FFL/LFL instruction must be scanned before the Add-On Instruction. If the Add-On Instruction comes first in the code, no anomaly will be seen. The rung condition does not matter. If the required conditions exist, the fault will occur during prescan.

Extensive use of UID and UIE instructions results in a User-Task Watchdog timeout fault.

 If you use extensive amounts of UID and UIE instructions, when the controller is put into Run mode, a Major Recoverable Fault type 6, code 1, Task Watchdog Expired, may be logged. Attempts to clear the fault and return to Run mode are unsuccessful.

If an application that uses event-based tasks is downloaded to the controller and then the controller is put into Run mode, the overlap counts for event-based tasks may exceed 800,000. This value is a false indication of task overlaps and does not affect the execution of event-based tasks

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