46
Andover Controls
High Speed Counter Selection Switches
The DI-8 input module allows input channels 1 and 2 to be configured with the capability
of counting input pulses or contact closures at a rate of up to 10KHz. A selection switch is
included for each of these two input channels. This switch allows you to select whether or
not you want the high speed input connected. A small 2-position switch module is
accessible from the front of the module when the door is opened.
These switch modules are commonly called “DIP Switches” and require a small object
such as the tip of a pen or a small screwdriver to operate them. Each switch position acts
as a “slide switch”. Pressing the raised slide marker to the side marked “ON” closes or
enables the switch thereby enabling high speed counting. To open or disable the switch
position, press the slide marker over to the “OFF” side.
Slide marker
moves left and right
1
2
O
N
DI-8
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