SCHNEIDER ACE919CC DC Interface Converter

Description

SCHNEIDER ACE919CC DC Interface Converter

The Schneider Electric ACE919CC is a high-performance RS485/RS232 interface converter specifically designed for the Sepam series of protection relays. It acts as a bridge between the Sepam relay’s communication port and a supervisory system (like a SCADA or PLC).

## Product Overview

The ACE919CC is a compact, DIN-rail mounted module that converts the physical signals of a Sepam relay into a standard 2-wire RS485 network. It is particularly valued for its ability to provide electrical isolation and ensure stable communication in harsh industrial environments.

## Technical Specifications

## Key Advantages

• Universal Power Supply: Its wide range of acceptable input voltages makes it versatile for various electrical substation standards.

• Robust Galvanic Isolation: Protects the Sepam relay and the rest of the network from surges and electromagnetic interference (EMI).

• Plug-and-Play Integration: Designed specifically for the Schneider ecosystem, ensuring seamless communication without complex manual protocol mapping.

• Signal Integrity: Provides high-quality signal conversion even over long distances in electrically “noisy” environments.

## Important Precautions (Usage Notes)

1. Correct Termination: For the RS485 network to function correctly, ensure that the line termination resistors are enabled only at the first and last devices on the bus.

2. Cable Selection: Use shielded twisted pair cables for RS485 connections to prevent data loss.

3. Polarity: Double-check the L+ and L- (or A and B) polarity on the RS485 port; reversing these is the most common cause of communication failure.

4. Grounding: Ensure the module is properly grounded via the DIN rail or the designated earth terminal to maintain its surge protection capabilities.

## Product Applications

The ACE919CC is primarily used in Power Management Systems (PMS) and Substation Automation:

• Industrial Plants: Connecting motor protection relays to a centralized control room.

• Utilities: Remote monitoring of medium-voltage switchgear.

• Commercial Buildings: Integrating Sepam relays into a Building Management System (BMS) for energy monitoring.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

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