Product Overview

In modern process plants, control systems must not only “know” what is happening but also “drive” equipment to respond. The Emerson 5X00481G04 is one of the core hardware components of the DeltaV system that enables this “execution” function. As a 16-channel sink-type digital output module, it receives logic commands from the DeltaV controller and uses internal power transistors to “pull down” the 24 VDC load current to ground, thereby activating field devices (such as shutting off fuel valves or activating alarm lights).

In several refinery and LNG projects I have participated in, the value of the 5X00481G04 lies not only in its electrical performance but also in its deep integration with the DeltaV ecosystem. For example, when an operator clicks “Close XV-101” on the DeltaV Operate screen, the system not only sends a DO command to the 5X00481G04 but also monitors the “Open Wire Detection” status of that channel in real time. If a loose connection prevents the solenoid valve from being energized, DeltaV will immediately generate a “DO Channel Fault – XV-101 Not Energized” alarm in the alarm list and can trigger shutdown logic. This “output + feedback” closed-loop mechanism significantly improves system availability and safety. Technical Specifications

Full Model Number: 5X00481G04

Manufacturer: Emerson Automation Solutions

Applicable Platform: DeltaV Classic/M Series/SIS (System configuration support required)

Number of Channels: 16 independent DO outputs

Output Type: 24 VDC Sink/NPN

Load Voltage Range: 10–30 VDC

Maximum Load Current:

Per channel: 500 mA

Per module: 2.0 A (total limit)

On-state Voltage Drop: <1.5 V at 500 mA

Response Time: <1 ms (typical)

Protection Features:

Overcurrent protection (automatic current limiting)

Reverse power protection

ESD protection (IEC 61000-4-2 Level 4)

Diagnostic Features:

Channel-level open wire detection

Module temperature monitoring

Communication status indication

Front Panel Indicators:

Green PWR LED (Module power OK)

Yellow COMM LED (Communication status with controller)

Green OUT LED per channel (Output active status)

Mounting Method: Plugs into DeltaV M Series I/O baseplate (e.g., 5X00480G01)

Operating Temperature: 0°C to +60°C

Certifications: CE, UL, CSA, ATEX (depending on specific version)

Key Features and Benefits

✅ High Channel Density: 16 points per module, saving cabinet space and cost

✅ Sink-type Design: Compatible with mainstream NPN sensors/load circuits, conforming to North American industrial practices

✅ Built-in Diagnostics: Open wire detection without external feedback, reducing wiring complexity

✅ Native DeltaV Integration: Automatic recognition, one-click configuration, SOE event recording

✅ Strong Interference Immunity: Passed IEC 61000-4 series EMC tests, suitable for harsh factory environments

The Emerson 5X00481G04 transforms DeltaV logic into real-world action—with precision, diagnostics, and reliability built in. It’s not just an output card; it’s the trusted link between control strategy and the field. Execution.

Application Areas

The 5X00481G04 is widely deployed in process industry scenarios requiring reliable digital signal driving:

Oil and Gas: Pipeline valve control, compressor start/stop, flare ignition commands

Chemical and Pharmaceutical: Reactor charging valves, stirring motor start/stop, safety interlock output

Power and Energy: Boiler sootblower control, cooling water pump start/stop, flue gas damper adjustment

Water Treatment: Dosing pump start/stop, backwash valve control, sludge dewatering machine operation commands

Food and Beverage: Filling valve control, CIP cleaning program triggering, conveyor belt start/stop

Installation and Configuration Guidelines

To ensure the proper operation of the 5X00481G04, please follow these best practices:

🔌 Matching Baseplate: Must be installed on a DeltaV M-series DO baseplate (such as 5X00480G01), ensuring correct terminal wiring.

⚡ Load Calculation: Ensure the total current of all channels ≤ 2.0 A to avoid module overload shutdown.

🛠️ Software Configuration: The module is automatically recognized in DeltaV Explorer; enable the “Open Wire Detection” function.

🔁 Regular Testing: Verify channel operation by performing “Output Test Pulse” through DeltaV Diagnostics.

🌡️ Thermal Management: In high-load applications, ensure good ventilation of the I/O cabinet to prevent temperature rise from affecting lifespan.

Lifecycle and Procurement Recommendations

The Emerson 5X00481G04 is currently in its “Active Mainstream” phase and is a standard DO module for the DeltaV system. Emerson is committed to long-term support, with an expected lifecycle extending beyond 2035.

Shenzhen Changxin, as an Emerson automation solutions partner, maintains a large inventory of original 5X00481G04 modules. All units are from Emerson factory sealed packaging and have undergone:

16-channel point-by-point load testing (500 mA 24 VDC)

Open circuit detection function verification

Communication and LED indicator testing

72-hour high-temperature aging (+60°C)

We provide a 12-month warranty, technical selection support, and DeltaV system integration consulting to ensure plug-and-play functionality and seamless integration into your existing or new DeltaV architecture.

Choose Shenzhen Changxin for peace of mind and worry-free after-sales service. Large stock available, same-day SF Express shipping! !!