The MOSCAD-M Unit
22
I/Os (All Models)
Wetting switch connection (x2)
Two solid state (SS1, SS2) Digital Outputs are provided for wetting/supply voltage control of
the DI, AI, or external devices. They are connected to the Power In TB1 (pins 3-8) and can
drive up to 400mA each. The switches are equipped with over-current protection, limiting the
current driven through each of them to 400 mA maximum. Figure 11 shows how the solid
state DOs are to be connected.
It is recommended that the wetting power be connected to the
solid state output with a fuse of 1 amp.
Figure 11
Main Board Solid State Digital Output I/O Connection
