Card TA1-PC

Provides considerably extended set of functions in comparison with cards of previous generation - TX/TE.
I/O space is 32 16-bit words. Uses 1 interrupt line.
Dual redundant terminal in the modes of bus controller (BC), remote terminal (RT), addressed message monitor (MTM) and addressed word monitor (MTW).
Dual-port RAM 64K x 16.
Internal interrupt FIFO buffer 256 words deep.
32-bit programmable timer for message receiving.
Programmable status timeout up to 64 us.
In the BC mode allows organizing the automatic transfer of a message chain. Provides the programming of the response to error message with the possibility of automatic retry and switching the bus number. Status words masking has been implemented.
In the RT mode there is a possibility to buffer the received messages for each subaddress. Programming the message receiving timer can be done upon the BC commands. There is a possibility to block messages receiving/transmitting for specified subaddresses.
There are three basic modes of monitor operation: Message monitor, Word monitor and Combined monitor. All three modes allow specifying the RT address to use the device as the addressed monitor.
In the addressed messages monitor mode, the module responds as an RT to the commands addressed to it and monitors messages from the addresses specified in the list.
In the combined monitor mode the information is registered by the message monitor while being parsed as a message. In parallel the word monitor registers all words.
In the word monitor mode the module responds to the commands addressed to it as an RT and receives all words transmitted via two buses.
Possibility to test the transmitter/receiver and bus status.
Single power supply source +5V.


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