Omega ELC PLC Programmable Logic Controller

The OMega ELC PLC Programmable Logic Controller is the latest offering in the PLC (Programmable Logic Controller) market. Less than half the size of a typical brick PLC, the ELC is a micro-PLC with features previously found only in larger, much more expensive rack-mount PLCs

Features

• Built-in digital and analog I/O for low-cost standalone control

• Local I/O expandable to 256; I/O expansion modules connect easily with no extra wiring

• Removable terminal blocks for easy wiring

• 2 serial ports with Modbus RTU supported on both

• Real-time clock/calendar

• High-speed pulse inputs and outputs

Specification

ESD Immunity: 8 kV air discharge

EfT Immunity:

Power Line: 2 kV

Digital I/O: 1 kV

Analog and Communication I/O: 250 V

Damped-Oscillatory wave: Power Line: 1 kV

Digital I/O: 1 kV

RS Immunity: 26 MHz to 1 GHz, 10 V/m

OTHER APPROvALS

Agency Certifications: UL 508, cUL, CE, Class 1, Div 2

ENvIRONMENTAL RATINgS

TRANSPORTATION AND STORAgE

Temperature: -25 to 70¡ãC (-13 to 158¡ãF)

Humidity: 5 to 95%

OPERATINg

Temperature: 32 to 131¡ãF (0 to 55¡ãC)

Humidity: 50 to 95%

Power Supply voltage:

ELC: 24 Vdc (-15 to 20%) with DC input reverse polarity protection Expansion unit: Supplied by the ELC

Power Consumption: 3 to 6 W Insulation Resistance: >5 M @ 500 Vdc, between all inputs/outputs and earth

grounding: The diameter of the grounding wire cannot be smaller than the wire diameter of terminals L and

N (all ELC units should be grounded directly to the ground pole)

vibration/Shock Resistance: Standard: IEC1131-2, IEC 68-2-6 (TEST Fc)/IEC1131-2 and

IEC 68-2-27 (TEST Ea)

Approx. weight: 0.158 kg (0.348 lb)

DC INPuT POINT ELECTRICAL

Input Type: DC (SINK or SOURCE) Input Current: 24 Vdc 5 mA Active Level:

Off/ON: Above 16 Vdc

ON/Off: Below 14.4 Vdc Response Time: About 10 mS; an adjustment range of 0 to 10,000 mS could be selected through D1020 and D1021

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