Digital input electronic safety module – PSSu EF 4DI

Main function: safety I/O unit
Function: Digital input electronic safety module
Input — Isolation capability between input bus voltage and internal module
Supply voltage (DC): 16.8-30Vdc (24Vdc nominal)
Current rating: 2.6-7.8mA (input current range)
Rated voltage (DC): 9V (minimum threshold voltage when signal changes from “1” to “0”), 10V (maximum threshold voltage when signal changes from “0” to “1” )
Connection type: plug/removable screw or cage clamp term. connection (depends on base module)
Protection function: Short circuit protection Isolation
Digital inputs: 4 x digital inputs (24Vdc; 6mA)
digital output: 2 x digital output (test pulse output; 24Vdc; 0.25A)