Allen-Bradley SLC 500 Manual page 48

A new information box will appear below the check box. This information box indicates how many
words will be transferred by the Block Transfer. You can change the number, up to a maximum of 64
words. To change the number, double click in the number box to highlight the number, then type the
new number.
All of the words in a Block Transfer Write can be read as signed numbers by clicking the Signed
checkbox.
Below the array of check boxes is the Edit Tag button. Next to the button is a message line indicating
the last slot address selected. When you click in any of the number boxes, the Tag Edit message will
reflect the new selection. The Edit Tag button is used to recall the Tag Name dialog box so you can
change the Tag Name.
In the example, we have checked the BTR box in Rack 1, Group 2, Slot 0. To continue the example,
the BTW box in the same slot will be checked. Click the Auto name checkbox and the Tag Name will
appear as BTW0120.
Click the OK button and observe that both check boxes in Slot 0 are checked and both are set to
transfer 16 words.
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