ABB HIEE300888R0002 UAC389AE02 Driver card

The CI is a simplex module. There are triplicated voting circuits for interfacing to the system Inter-Module Bus, but the remaining architecture has no redundant circuits. The CI is certified as non-interfering and fail safe. On failure of the processing circuits or on communications conditions that the module cannot cope with, the module will shut down. Safety related communications require two CIs providing the same services on separate data links.

The CI cannot be hot swapped. If the module has shut down or communications through the module has stopped, the module should be removed from the chassis and then re-inserted into the chassis. It will automatically restart and load its communications settings online. The module performs a warm-start on an application load, a configuration download and an online update and will then operate with the latest communications configuration.

Command Line Diagnostics 

The CI has a front-panel mounted RS232 Serial diagnostic port to which the Engineering Workstation or a laptop PC can be connected. The diagnostic port also provides an interface to the diagnostics and online monitoring facilities of the Trusted TMR Processor. This facility is provided for the use of ICS Triplex personnel. The command line diagnostic interface requires a TC-304-02 Maintenance Cable and a terminal program such as Hyperterminal or Teraterm. The Serial port settings default to 19200baud, 8 data bits, 1 stop bit and no parity. The module will reply to ‘Enter’ with its command line prompt

Task Commands

 Operating system tasks (processes) which have command line diagnostics report their presence on typing t. This is the route to all further CI diagnostics. This top level command lists all tasks which respond to commands. Note that these tasks and their commands change with firmware builds, and therefore there is no separate documentation of all task command interfaces.Password protected super user privileges (su) are required in the Processor, primarily to connect to I/O module command line interfaces and for some of the more invasive commands in the CI. These commands are marked with (!).

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