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Description：

The GE UR4DH is a high-density digital I/O module designed for the UR Series Universal Relay platform, facilitating advanced monitoring and protection in industrial substation environments. It supports up to 96 contact inputs and 64 contact outputs (including Form-A, Form-C, and SSR), ensuring secure, high-speed data exchange. 

Specification：

Frequently asked questions

Q1: What is the GE UR4DH Digital I/O Module?

A1: The GE UR4DH is a digital input/output module used in GE protection and control systems, enabling reliable signal monitoring and control of field devices.

Q2: What is the UR4DH input voltage range?

A2: The UR4DH module supports a wide input voltage range from 24 V DC to 250 V AC, allowing compatibility with various field signals.

Q3: What is the UR4DH input current rating?

A3: The UR4DH maximum input current is 5 mA per input channel.

Q4: What is the UR4DH response time?

A4: It provides a fast response time of less than 10 ms for state changes, ensuring timely signal processing.

Q5: What is the UR4DH operating temperature range?

A5: The UR4DH module operates within a temperature range of −40°C to +70°C, suitable for harsh industrial environments.

Product Applications

Oil and Gas: Comprehensive power monitoring system for offshore platforms or large-scale refineries, handling high-speed protection communication for distributed power sources.

Mining Industry: In the power distribution system of large mines, transmitting digital signals from remote sensors to the control room to reduce cable laying and enhance anti-interference capability.

Steel Metallurgy: In the rolling or smelting workshops with extremely strong electromagnetic interference, utilizing the isolation characteristics of optical fibers to ensure the accuracy of protection signals.