| Item Description | LOGIC UNIT SRL 6-50 INPUTS: Wiring of limit switches, level switches NRS 1-50, NRS 1-51 5 volt-free contacts of the limit switches of the valves 1 volt-free contact of the level switch NRS 1-50/NRS 1-51 1 signal input for switching between water level limiter and high level alarm outputs: 4 volt-free change-over contacts, 8 A 250 V AC / 30 V DC COS Φ = 1 (IEC 61810) FOR MESSAGES: Stand-by ON/OFF (at level switches NRS 1-50, NRS 1-51) stand-by time (start) running/purging time (standby) running/deactivated (stop) indicators and adjustors 1 indicating & operating display, 1 green LED indicating standby-time (start), 1 amber LED indicating purging time (standby), 1 red LED indicating deactivation (stop) supply voltages: 24 VDC, + / -20 %, 0, 1 A |