Microscan MS-890 User Manual page 260

Wiring Box Ports
Relay Terminals
Relay terminals 1, 2, and 3 provide output for both internal optoisolated outputs and
alternative relay modules that can be installed in modules K1, K2, and K3.
Relay1 Output handles discrete outputs from the scanner that will switch up to 100 mA of
optoisolated current.
+5 VDC
Voltage out that can drive a hand held scanner. Maximum current is 5 watts.
Input 1
Used to wire a switch to reset latch mode or counters.
RS-422/485
Used for multidrop or 422 port.
Power 10-28 VDC
Power input port (left side and right side for connectivity convenience).
RS-232
Main serial communication port.
Aux RS-232
Daisy chain and Auxiliary connections.
14-6
MS-890 Industrial Automation Scanner User Manual