ACE919CA SCHNEIDER ELECTRIC

Description

Product name ： ACE919CA  SCHNEIDER ELECTRIC Processor module
Product details:

The Schneider Electric ACE919CA is a high-performance communication interface module, specifically designed as an RS485 to RS232 converter with electrical isolation. It is part of the Sepam series (and related protection relay ecosystems), serving as a bridge between protection devices and supervisory systems.

1. Product Overview

The ACE919CA acts as a physical interface to connect Sepam protection relays or other Modbus-compatible devices to a communication network. Its primary role is to convert signals and provide galvanic isolation, protecting the equipment from voltage surges and electromagnetic interference common in industrial environments.

2. Technical Specifications

Below are the core technical parameters for the ACE919CA:

3. Product Advantages

• Enhanced Protection: The 2.5 kV galvanic isolation ensures that a fault on the communication line doesn’t fry your expensive protection relays or PCs.

• Reliability: Built to industrial standards, it handles harsh electrical noise and high-temperature environments better than standard commercial converters.

• Plug-and-Play: Simple DIN rail mounting and clear LED diagnostics make it easy to commission and troubleshoot.

• Versatility: Compatible with various Sepam series (Sepam series 20, 40, 60, and 80) and other Modbus RTU devices.

4. Key Applications

The ACE919CA is primarily used in Power Management Systems (PMS) and Substation Automation:

• Data Acquisition: Connecting protection relays to a SCADA system.

• Remote Monitoring: Allowing engineers to read fault logs and settings from a central control room.

• Industrial Networking: Bridging legacy RS232 equipment with modern RS485 multi-drop networks.

5. Important Considerations & Precautions

Note: Proper wiring is critical. Reversing the RS485 polarity ($A$ and $B$ lines) will prevent communication but usually won’t damage the unit.

• Line Termination: Ensure that a $120\ \Omega$ termination resistor is used at both ends of the RS485 segment to prevent signal reflection.

• Earthing: The shielding of the communication cable should be grounded at a single point to avoid ground loops.

• Power Compatibility: Verify your specific sub-model’s voltage range (AC vs DC) before wiring to avoid internal damage.

• Distance Limits: While RS485 can reach up to 1200 meters, high baud rates or noisy environments may require shorter distances or repeaters.

Advantages: Foxboro, OVATION, TRICONEX, Allen-Bradley, ABB, Motorola, Siemens Moore, Ge Fanuc, Woodward, Bently Nevada and other major import brands!

We have the same series of models in stock.  If you don’t find the model you need, please contact us and we will provide you with an official quotation！

Colour：new Warranty: 12 months
Lead Time：3-day working day Country of origin: Sweden
Price: Please contact us Product weight：0.515kg
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service

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