Omron CRT1-DA02 CompoNet Analog Output Slave Unit

Technical Overview

The Omron CRT1-DA02 is a high-performance CompoNet Analog I/O Slave Unit designed for advanced data acquisition and industrial control. Featuring 2 analog output points, it supports both voltage (-10 to 10V, 0-10V, 1-5V) and current (4-20mA, 0-20mA) outputs with a high resolution of 1/6,000 full scale. Engineered for seamless network integration, it offers built-in signal processing, photocoupler isolation for robust noise immunity, and a fast 1 ms per point conversion cycle, making it ideal for distributed motion control, valve actuation, and process automation over CompoNet networks.

Key Features

2selectableanalogoutputpointssupportingVoltageorCurrent[1.3].
High-resolution 1/6,000 full scale D/A conversion.
Fast conversion cycle of 1 ms per point.
Selectable output ranges: 0 to 5 V, 1 to 5 V, 0 to 10 V, -10 to 10 V, 0 to 20 mA, and 4 to 20 mA.
Photocoupler isolation between communications lines and output signals for circuit protection.
Built-in signal processing functions for advanced data acquisition.
Standard DIN rail track mounting configuration.
CompoNet network compatible for wire-saving distributed I/O architectures.

Technical Specification Matrix

Parameter	Value
Product Type	Analog I/O Slave Unit (Output Module)
Network Type	CompoNet
Number of Outputs	2 Points
Voltage Output Ranges	0 to 5 V, 1 to 5 V, 0 to 10 V, -10 to 10 V
Current Output Ranges	0 to 20 mA, 4 to 20 mA
Resolution	1/6,000 (Full Scale)
Conversion Cycle	1 ms / 1 point
Overall Accuracy (at 25°C)	±0.3% FS (Voltage), ±0.4% FS (Current)
External Output Allowable Load Resistance	Voltage: 1 kΩ min. / Current: 600 Ω max.
Isolation Method	Photocoupler isolation (between network and outputs)
Communications Power Consumption	110 mA max. (24 VDC), 175 mA max. (14 VDC)
Weight	153 g

Industrial Applications

1. Variable Frequency Drive (VFD) Speed Control in Conveyor Systems

Utilizing the CRT1-DA02 to transmit precise 0-10 V analog signals over a CompoNet network to dictate the operational speed of VFD-driven conveyor belts.

Problem Solved

Replaces bulky point-to-point analog wiring with a streamlined networked CompoNet architecture, enabling precise centralized speed control with 1/6000 resolution while maintaining high signal integrity across the factory floor.

CompoNetVFD Speed Control0-10 V Analog Output1/6000 ResolutionWire-Saving

2. Proportional Valve Actuation in Hydraulic Test Stands

Driving industrial electro-hydraulic proportional valves using the module's 4-20 mA current output range to regulate fluid pressure dynamically.

Problem Solved

Provides a rapid 1 ms/point conversion cycle and reliable signal transmission, allowing highly responsive, closed-loop fluid pressure regulation without voltage drop degradation over long industrial cable runs.

4-20 mA OutputProportional Valve1 ms Conversion CyclePhotocoupler IsolationHydraulic Control

3. Temperature Setpoint Control in Multi-Zone Industrial Furnaces

Interfacing the CRT1-DA02 with standalone PID temperature controllers to provide dynamic remote setpoint updates via 1-5 V or 4-20 mA analog signals.

Problem Solved

Minimizes wiring complexity in multi-zone heating systems using CompoNet networking, while the high ±0.3% FS accuracy ensures thermal setpoints are exactly matched to the process requirements.

PID Setpoint Control1-5 V Analog Control±0.3% Full Scale AccuracyThermal ManagementDistributed I/O