Open filterClose filter input Pulses NAMUR signals Opto-encoder EXi output Relay Semiconductor switch S0 Pulses power-supply Wide range DC 20-30V AC 230V interface / protocols display / operation design DIN rail mounting Plug-in terminals Screw terminals device functions Galv. isolation (I/O) Quantity pulses Energy pulses Reset filter Contact amplification Image Article Description Input Output Auxiliary voltage Designs AD-KVEX 100 GVD EX contact amplifier 1-channel with relay output Pulse input (Exi) Relay Wide range power supply GVD AD-KVEX 200 GVD EX contact amplifier 2-channel with relay output Pulse input (Exi) Relay Wide range power supply GVD