B864-001 Register Output, Switch Settings

Switch Settings

Two toggle switches are located at the top of the module and are used to determine the type of communication with external devices. Both switches are user selectable.

1. Bin/BCD Switch

This toggle switch determines whether the output data is to be interpreted by the target devices as a BCD or a binary value.

2. Strobes Active Hi/Lo Switch

This toggle switch allows selection of either true-hi or true-lo for strobing output data.

NOTE: The relation between the I/O map selection, the BCD/binary switch setting, and the results at the output are summarized in the following table:

Table

The following table identifies the relationship between the switch and I/O map facility.

I/O Map Selection	B864 Switch Setting	Result
Binary	BCD	BCD
Binary	Binary	Binary
BCD	BCD	Erroneous
BCD	Binary	BCD