Product Details
The Emerson 396557-01-0, also cataloged as the 396557-01-0 CPU Module, operates as a dedicated hardware component for process logic execution and system control within ControlWave PLC platforms. Powered by a 12-24 VDC input and secured via a physical lock key, it manages field device communications and background system diagnostics.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 396557-01-0 |
| Brand | Emerson |
| Product Type | CPU Modules |
| System Architecture | ControlWave PLC System |
| Input Voltage | 12-24 VDC |
| Security Feature | Hardware Key Lock |
| Weight | 0.20 lbs (approx. 0.09 kg) |
| Dimensions | Standard ControlWave Slot Width |
| Origin | USA |
| Operating Temp | -40 to 70 deg C |
| Power Consumption | 12-24 VDC System Powered |
4-20 mA HART Loop Protocol and Channel Isolation
The 396557-01-0 central processor coordinates real-time signal processing across local and remote I/O nodes, passing digitized 4-20 mA HART loop protocol variables through internal system buses. Designed with optical channel-to-channel isolation parameters between external communication channels and CPU processing logic, it shields core execution units from voltage spikes and earth loop currents, ensuring stable processing under high-density noise conditions.
Frequently Asked Questions
Q: What function does the hardware lock key serve on the 396557-01-0 CPU module?
A: The physical lock key restricts local write access to internal firmware, application memory, and system configuration parameters, preventing unauthorized online program modifications.
Q: What is the operating input power range for the 396557-01-0 module?
A: The CPU module accepts a nominal direct current supply ranging from 12 VDC to 24 VDC to power internal processor logic and local backplane buses.
Q: Can the CPU module be replaced without disrupting field terminal wiring?
A: Yes. Field I/O and communication interface cables plug into separate backplane or terminal headers, allowing module extraction without disturbing permanent cabinet wiring.
Field Installation Guidelines
- Ensure main cabinet power is isolated and switched off before inserting the CPU module into its designated slot on the ControlWave backplane.
- Align the module card edges with the rack guides, sliding the assembly in smoothly until the rear multi-pin connector seats firmly into the backplane receptacle.
- Tighten top and bottom panel retaining thumbscrews hand-tight, followed by a quarter-turn with a flat-head screwdriver to lock ground continuity.
- Verify that the 12-24 VDC power supply voltage falls within the specified limits before applying power to the unit.
- Bond the mounting rack directly to the local enclosure earth ground using a low-impedance copper grounding cable.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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