IAI America XSEL-S - Manual (Page 106)

Chapter 3 Programs
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3.2 Input Channel Numbers and Axes Numbers Handled with SEL Commands
Table 3.2.1 below shows the relationship between I/O channels of extension motion control boards
and input channel numbers and axis numbers handled by the SEL commands.
Table 3.2.1 Relationship of I/O Channels of Extension Motion Control Boards and
No. Handled by SEL Commands
Extension motion control board I/O channel
Device No. Channel No.
No. specified by SEL command
Input channel No. 0 to 1 Extension motion control board input channel No. 0 to 1
0
Output channel No. 0 to 7 Extension motion control board axis No. 0 to 7
Input channel No. 0 to 1 Extension motion control board input channel No. 2 to 3
1
Output channel No. 0 to 7 Extension motion control board axis No. 8 to 15
Caution
(1) Extension motion control boards are assigned to device numbers starting from 0 in the order of
extension slots in which they are installed, which starts from 1.
(2) If extension motion control board input channel parameter No. 1 “method of channel usage” is set to
“0” (not used), input channels are invalid.
(3) If extension motion control board output channel parameter No. 1 “method of channel usage” is set to
“0” (not used), axes are invalid.
(4) While numbering of the main CPU control axes starts from 1, numbering of extension motion control
board axes starts from 0. Be cautious not to get confused at SEL programming, etc.