Description
The 5X00357G04 is a specialized Contact Events Input / Enhanced Digital Input Module (E-MOD) engineered for the Emerson / Westinghouse Ovation Distributed Control System (DCS) platform. It is designed to monitor high-speed dry contact field signals, switch positions, and state transitions, turning them into precise time-stamped digital logs for sequence of events (SOE) tracking, alarm monitoring, and safety interlocks.
Technical Specifications
| Parameter | Value |
| Manufacturer | Emerson Electric Co. / Westinghouse |
| Product Series | Ovation DCS Platform |
| Part Number (MPN) | 5X00357G04 |
| Module Type | Contact Events Input / Enhanced Digital Input Module (E-MOD) |
| Input Signal Compatibility | Dry contact inputs (Normally Open [NO] or Normally Closed [NC] switches, relays, or discrete field transitions) |
| Sensing Voltage | Internal loop/sensing voltage supplied directly by the module |
| Nominal Voltage Variant | 48 VDC on-card input contact configuration |
| Physical Dimensions | Approx. 4.8 in × 2.0 in × 6.5 in (12.1 cm × 5.2 cm × 16.5 cm) |
| Approximate Weight | 0.7 lbs (0.32 kg) |
| Operating Temperature | 0 °C to +60 °C (Standard industrial range) |
| Enclosure Protection | IP20 standard (intended for internal mounting within a controlled control cabinet rack) |
Supply Terms & Commercial Details
- Availability: Sourced through industrial automation surplus channels, specialized DCS spare parts distributors, and legacy hardware providers.
- Lead Time: In-stock hardware typically ships within 1 to 3 business days.
- Warranty: 12-month standard supplier replacement or repair warranty covering functional hardware defects.
- Condition: Available as New Surplus, Factory Open Box, or Fully Tested Refurbished (verify specific revision tags and test logs with your vendor prior to purchase).
- Pricing Note: Price is subject to market availability and obsolescence status; contact your vendor for a firm quote.
Engineering & Integration Guidance
When installing or replacing the 5X00357G04 module within an Ovation I/O rack, observe the following parameters:
- Rack Power Safety: Ensure that system power procedures are strictly followed and backplane stability is verified before seating or unseating the module to prevent data bus errors or false field triggers.
- Dry Contact Configuration: Because the module supplies its own sensing voltage for dry contacts, ensure that no external loop power or extraneous voltages are accidentally introduced to the input terminals to avoid internal circuit damage.
- Electrostatic Discharge (ESD) Handling: Always wear a grounded antistatic wrist strap and handle the printed circuit board assembly by its edges or faceplate to protect sensitive internal components from static damage.
Frequently Asked Questions
What is the primary function of the 5X00357G04?
It acts as an enhanced contact events input module, tracking dry contact switches, breaker statuses, and alarm triggers with high timing accuracy to log critical sequence-of-events data inside the Ovation DCS.
Is this module compatible with legacy Westinghouse systems?
Yes. Because Emerson’s Ovation platform evolved directly from legacy Westinghouse control frameworks, this module integrates smoothly into both legacy-upgraded and modern Ovation power generation or water treatment facilities.
How do I check the operational status of the module?
The module features front-panel diagnostic indicators (per-channel status LEDs) that report active input states, individual channel health, and communication link integrity with the local node drop.





