Check the listing for details. PLC Programmable Logic Controller PR12DCDARE 12V, 24V 8 inputs, 4 Relay out. Condition: New. Listed at 197.00 USD. PLC Programmable logic controller for 12/24VDC Rievtech PLC Specifications 8 AC inputs 12/24VDC 2 Input can be used as ANALOG 0-10VDC 4 Relay Outputs Operation 12/24VDC 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-12DC-DA-R-E Dimensions : 90*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 supplyPowerDC 12 or 24VInput parameters:Input No8 ( I1-I8 )Digital input 8 ( I1-I8 )Analogue input NonePower range 12 11 - 28VDC Input signal0 DC0-30V Input signal1 DC22-30V Output parameters: Output No 4 (Q1-Q4) 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 DC Weight Approx.190g .