Description
Rhomberg – 3-Wire DC Sensor Interface Relay Module
DC Output Supply For Sensors: 10-15V at 30mA
Sensors Input: (PNP pin 5, NPN pin 8)
Each sensor must be able to conduct at least 90mA to operate the modules internal relay.
Max switching speed: 25 Hz (when using relay output)
http://storage-download.googleapis.com/spec/SC314.pdf