[*5]. Input sub common
By default, inputs are divided into 4 groups. Each group has 5-6 inputs that tied
common pin together. As we know, common pin is used to specify input type.
Sometimes we have too many inputs for one type and have fewer inputs for another
type.
This sub common allows us to rearrange inputs by cutting or isolating common pin
apart from the original group then wire it up with another group as our preference.
The remains fewer inputs may be used for special purpose such as sensing AC
voltage source, sensing touch plate on machine metal table where as high voltage
leaking on it, interfacing with MPG device, etc. In short, the sub common is designed
for trimming or expanding inputs from the existing group.
Figure 30, Default sub common pin for each input group
[*6]. 5V input tolerance
By default, all inputs accept 24V power from external devices. However, the user
can make these inputs to accept 5V by closing the solder-bridge for each input.
Figure 31, 5V input tolerance solder bridges.
[*7]. K3 Relay pin select
Normally, K3 Relay is associated with output Y101. However, you can select K3 as an
output relay of CP (charge pump) signal or Y317. Please be careful of this 3 way
bridge selection. Make sure that you bridge only one position at a time.
Figure 32, K3 Pin select solder bridge.
www.CNCRoom.com Page 25
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