Description

The Emerson Ovation 5X00226G02 is a high-density, 8-channel Analog Input module designed for the Ovation Distributed Control System (DCS). This module specifically supports HART (Highway Addressable Remote Transducer) digital communication superimposed on standard 4 to 20 mA analog signals. It is primarily used to interface with field transmitters in power generation and water/wastewater treatment facilities where advanced asset diagnostics are required.

Commercial Availability & Lifecycle Status

• Condition: New Original (Factory Sealed Surplus) or Refurbished (Tested)

• Availability: In Stock

• Standard Lead Time: 1–2 business days

• Warranty: 12-Month Comprehensive Warranty

• Pricing Note: Price is influenced by global DCS hardware demand. Contact our technical sales team for a current, firm quote.

Technical Specifications

Technical Implementation & Field Considerations

HART Pass-Through Functionality

The 5X00226G02 enables the Ovation system to act as a HART host. Unlike standard analog cards that filter out high-frequency digital noise, this module captures the HART FSK (Frequency Shift Keying) signal. This allows engineers to perform remote calibration, monitor secondary variables (like internal sensor temperature), and access device diagnostics through the Ovation AMS (Asset Management System) without using a handheld communicator at the field junction box.

Compatibility with Electronics Base

This module requires a specific Ovation I/O base (typically the 1C31224G01 or similar). It is critical to ensure that the baseplate jumpers are configured correctly for either “2-wire” (loop-powered by the module) or “4-wire” (externally powered) transmitters. Incorrect jumper settings can lead to a current loop fault or damage to the module’s input resistors.

Redundancy Support

In critical control loops, the 5X00226G02 can be configured in a redundant pair. The Ovation controller manages the bumpless transfer between the primary and secondary modules. If the primary module detects an internal hardware failure or a loss of communication, the secondary module assumes control within one scan cycle to maintain process stability.

Diagnostic LEDs

The front panel includes status indicators that are vital for 2 AM troubleshooting:

• Active: Indicates the module is communicating with the Controller.

• Error: Indicates an internal module fault or a configuration mismatch.

• Channel Status: Provides visual feedback if an individual loop is out-of-range (below 3.6 mA or above 21 mA).

Installation & Maintenance FAQ

Can I replace a non-HART 1C module with this 5X00226G02?

Physically, yes, as the form factor is consistent across the Ovation I/O family. However, the software database (Point Builder) must be updated to reflect the HART capabilities, and the appropriate I/O drivers must be loaded in the Controller.

Does this module provide power to the transmitter?

Yes, the module is capable of sourcing 24 V DC to power 2-wire transmitters. Ensure your total loop load—including cable resistance and the module’s internal 250 Ohm resistor—does not exceed the voltage overhead provided by the module.

How do I handle a “Bad Quality” status in the DCS for a specific channel?

First, verify the loop current with a calibrated multimeter. If the current is between 4 and 20 mA, the issue may be a HART communication timeout or an incorrectly set “Open Circuit” detection threshold in the software. If the “Error” LED is solid red, the module has failed its internal self-test and requires replacement.

Is the 5X00226G02 hot-swappable?

Yes, Ovation I/O modules are designed for hot-swapping. However, in a non-redundant configuration, removing the module will result in an immediate “Invalid” or “Bad” status for all 8 loops, which may trigger safety interlocks or trips in the control logic. Always bypass affected loops before removal.

Do you need the specific terminal block wiring diagram for 2-wire vs. 4-wire configurations, or are you looking for the AMS software configuration steps for this module?