IAI America XSEL-KX - Manual (Page 33)

17
Part 1 Installation
[15] Expansion I/O connectors These connectors are used to install I/O expansion boards.
I/O expansion boards are optional with a general-purpose type.
With compact types, only one expansion board can be installed.
Note) The connector pins are similar to those of the standard I/O
connector.
24 VDC must be input to pin Nos. 1 and 50.
[16] System-operation setting
switches (compact type only)
These switches are used to set the system operation mode. Normally
all switches should be set to OFF.
[17] Boot-target specification switch
(compact type only)
This switch is used to select the device that will be updated when the
system implements program update. Normally this switch should be
set to “1.”