Check the listing for details. PLC Rievetech Programmable Logic Controller 110 220 VAC 4 inputs 2 Relay PR6ACR. Condition: New. Listed at 49.99 USD. PLC Programmable logic controller for 120/240VAC Applications: 365Day Timer, 4 Channel Sequence time control Pump Control, Home Automation Hydroponics and Greenhouse control Access Online to Download the Programmable Logic Software with Instructions, Drivers, Manuals and Application Examples PLC Specifications 4 AC inputs 120 /240 VAC, 2 Relay Outputs Operation 120 -240 VAC Stand alone plc controller Upload and Download from Laptop or PC Multiple time clocks, timers and counters, logic and functions • Built-in Real-Time Clock, Battery backup Package with: One controller PR-6AC-R NOTE: Software or programming interface in NOT included ■ Application: OEM Machines, Packing, Filling, Molding, Extrusion, Cutting, Welding, Food processing, Energy controls, Marine installations, Solar-Wind, Robots, Signal, Traffic control, Conveyors, Lighting Control, Pump Control, Greenhouses, Assembly lines, Automation, Timer replacement, etc Dimensions : 48*90*64 (Unit, mm)Certificate : CE,ROHSInstallation : 35mm-DIN rail or screw for installationExpansion capacity : NoPassword protection : Multiple password protectionCommunication interface : TTL interface , 1 Program/RS232 portCommunication protocol : Modbus RTU/ASCII , only can serve as slaves.Technical DataPower supplyPowerAC110V-240VInput parameters:Input No4 ( I1-I4 )Digital input 4 ( I1-I4 )Analogue input NonePower range AC110-240V Input signal0 AC0-40V Input signal1 AC79-240V Output parameters: Output No 2 (Q1-Q2) Output type Relay output Continuous current Resistive load 10A/Inductive load 2A Switch frequency: Mechanism 10Hz Resistor/light load 2Hz Sensitive load 0.5Hz Other parameters: The main frequency range 47-63Hz Weight Approx.160g .