1790-T0W8X Oiltech Controls 1790 Series 8CH Relay Output Module

Product Description

• The 1790-T0W8X module expands digital output capacity for industrial PLC networks.
• Oiltech Controls designs this high-density expansion component for rigorous automated environments.
• Eight independent relay channels drive field actuators safely and efficiently.
• The heavy-duty design ensures reliable performance across diverse factory automation setups.

Technical Data

• Brand: Oiltech Controls
• Model Number: 1790-T0W8X
• Relay Configuration: Form A, Single Pole Single Throw (SPST), Normally Open contacts.
• Output Voltage Range: 5 to 28V DC or 48 to 250V AC load-dependent ranges.
• Resistive Current Rating: 2.0A at 24V DC, 125V AC, or 250V AC configurations.
• Low Power Current Rating: 0.8A resistive load maximum at 48V AC.
• Minimum Operating Load: 100 microamps at 100mV DC per single input channel.
• On-State Voltage Drop: Maximum 0.5V at 2.0A current under 24V DC resistive load.
• Initial Contact Resistance: 30 milliohms max rating for premium electrical conductivity.
• Resistive Contact Life: 300,000 cycles under full rated resistive load conditions.
• Inductive Contact Life: 100,000 cycles under standard industrial inductive load operations.
• Off-State Leakage Current: Maximum 1.5 milliamps leakage current across open contacts.
• Signal Delay Time: Maximum 10 milliseconds for both turn-on and turn-off actions.
• Common Point Type: One independent common terminal point per individual channel circuit.
• Nominal Field Power Supply: 24V DC nominal operating control voltage.
• Field Voltage Tolerance Range: 19.2 to 28.8V DC acceptable continuous input window.
• Power Dissipation Rating: 2.3W per channel at maximum 28.8V DC power levels.
• Net Component Weight: 0.38 pounds or exactly 0.17 kilograms total weight.
• Frequency Response: Maximum 50Hz discrete switching frequency capacity.
• Module Sensitivity: Instantaneous output response within a strict 10 millisecond window.
• Linearity and Resolution: Fixed binary discrete switching behavior with zero analog variance.
• Operating Temperature Limits: Rated for reliable service from -20 to 60 degrees Celsius.
• Environmental Enclosure Tolerance: IP20 rated protection layer against solid finger-sized objects.
• Interference Resistance Capacity: Integrated optical isolation blocks electromagnetic and radio frequency noise.

Diagnostics and Status Indicators

• Eight green status LEDs provide clear real-time visual tracking for every single channel.
• The dedicated indicators allow operators to verify active output states instantly.
• Onboard diagnostic monitoring simplifies immediate hardware fault isolation during live processes.

Compatibility and System Integration

• The module interfaces directly with standard 1790 series logic controller platforms.
• Photocoupler isolation safeguards delicate upstream microprocessor logic from hazardous field side feedback.
• The high isolation rating withstands up to 1250V AC rms continuous electrical stress safely.

Installation and Wiring Guide

• Mount the compact housing firmly onto conventional industrial DIN rail tracks.
• Utilize the built-in M3.0 screw terminal blocks for secure field wiring termination.
• Tighten terminal assembly screws to a maximum torque specification of 7 pound-inches.
• Deploy solid copper or high-grade copper-clad aluminum conductors for optimal connections.

Debugging, Maintenance, and Warranty Terms

• Package List: Includes one factory-sealed 1790-T0W8X module and one installation reference sheet.
• The maintenance-free design eliminates the need for periodic internal hardware calibrations.
• Oiltech Controls includes a comprehensive 12-month warranty policy covering all manufacturing defects.
• We dispatch orders daily via premium express carriers like FedEx, UPS, and DHL.

Typical Application Scenarios

• Drive heavy-duty motor starters inside central control cabinets.
• Actuate pneumatic solenoid valves on high-speed packaging assembly lines.
• Isolate low-power digital PLC outputs from high-voltage field distribution gear.

Frequently Asked Questions

• Can this module handle high inductive currents? Yes, the robust contacts support inductive loads for 100,000 cycles.
• What wire material works best? Use copper or copper-clad aluminum wire for all terminal connections.
• How do I contact support? Email your technical inquiries directly to info@oiltechcontrols.com now.
• Can I call for urgent engineering assistance? Yes, dial our global hotline at +86 158 8020 0923 for WhatsApp support.

Product Manual Downloads

• Access comprehensive technical resources and installation blueprints.
• Download the official hardware schematic manual via our portal.
• Review integration steps and detailed channel allocation guides before mounting.

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