Key Features:
Type: Digital Relay Output Module

Model: Q68RD3-G

Series: MELSEC Q Series

Output Type:

Provides digital relay outputs for controlling external devices such as motors, solenoids, and other industrial equipment

SPDT (Single Pole Double Throw) type relays, offering flexible control for a wide range of applications

Output Channels:

3 output channels (relays) with isolated contacts

Output rating: 250 V AC, 5 A for inductive loads and 10 A for resistive loads

Integrated Isolation:

Provides isolation between the module and the output devices, ensuring safety and reducing electrical noise

Optical isolation on all output channels to prevent signal interference and protect control systems from voltage spikes

Mounting:

Compatible with the MELSEC Q Series backplane, offering modular installation in control cabinets and equipment racks

DIN rail mountable for space-saving installation in industrial environments

Easy Wiring:

Equipped with screw terminal blocks for easy and secure wiring of the output devices

Clear labeling on terminals to reduce wiring errors and simplify installation

Flexible Configuration:

Supports individually programmable relay outputs for flexibility in control

Can be integrated into a variety of automation systems, including PLC, SCADA, and HMI systems

Environmental Durability:

Wide operating temperature range for harsh industrial environments

IP20 protection for indoor use in dusty environments

Vibration resistance and robust construction for reliable operation in challenging conditions

Specifications / Parameters:
Output Type:

Relay (SPDT): Single Pole Double Throw

Number of Channels: 3

Maximum Output Voltage: 250 V AC

Maximum Output Current:

Inductive Load: 5 A

Resistive Load: 10 A

Input Power Supply:

Powered through the MELSEC Q Series backplane

Input Voltage: 24 V DC (from the base unit)

Response Time:

ON/OFF Time: < 10 ms

Switching Frequency: Approx. 10 Hz (depending on load and conditions)

Isolation:

Optical isolation on all output channels to protect the system from electrical noise

Operating Temperature:

Range: 0°C to +55°C

Storage Temperature:

Range: -25°C to +70°C

Humidity:

10% to 90% RH (non-condensing)

Dimensions:

Width: 45 mm

Height: 100 mm

Depth: 80 mm

Weight: Approx. 0.2 kg

Protection Class:

IP20 (for indoor use)

Applications:
Motor Control: Controls motors, pumps, and other equipment in automation systems

Actuator Control: Used in valves, solenoids, and other devices requiring relay-based control in industrial systems

PLC Integration: Seamlessly integrates with MELSEC Q PLCs for controlling external devices in automation and machine control systems

Lighting Control: Controls industrial lighting and other AC powered devices in manufacturing and warehouse environments

Alarm Systems: Triggers alarms or other safety devices based on system conditions in safety-critical systems

Automation Systems: Ideal for automated production lines, robotics, packaging systems, and other industrial automation applications where reliable relay control is required

Building Automation: Controls HVAC systems, lighting, and other building automation applications