MAIN CHARACTERISTICS range of product ZELIO LOGIC product or component type DISCRETE I O EXTENSION MODULE COMPLEMETARY CHARACTERISTICS number or control scheme lines 120 WITH LADDER PROGRAMMING cycle time 6...90 MS backup time 10 YEARS AT 25 DC clock drift 12 MINYEAR AT 0...55 DC checks PROGRAM MEMORY ON EACH PWR UP [Us] rated supply voltage 24 V AC supply voltage limits 20.4...28.8 V supply frequency 50 60 HZ reverse polarity protection WITH discrete input number 4 discrete input voltage 24 V AC discrete input current 4.4 MA discrete input frequency 47..53 HZ voltage state 1 guaranteed >= 14 V FOR DISCRETE INPUT voltage state 0 guaranteed = 2 MA FOR DISCRETE INPUT current state 0 guaranteed = 10 MA AT 12 V RELAY OUTPUT operating rate in Hz 0.1 HZ AT IE FOR RELAY OUTPUT mechanical durability 10000000 CYCLES RELAY OUTPUT [Uimp] rated impulse withstand voltage 4 KV CONFORMING TO ENIEC 60947-1 AND ENIEC 60664-1 response time 50 MS WITH LADDER PROGRAMMING FROM STATE 0 TO STATE 1 FOR DISCRETE INPUT connections - terminals SCREW TERMINALS FLEXIBLE CABLE WITH CABLE END 1 X 0.25...1 X 2.5 MM AWG 24...AWG 14 AWG tightening torque 0.5 N.M overvoltage category III CONFORMING TO ENIEC 60664-1 product weight 0.125 KG