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The GE IC695CMM002CA is a serial communications module for the PACSystems RX3i series of Programmable Logic Controllers (PLCs), now part of Emerson Automation. The “CA” suffix indicates that the module is conformal coated, which provides an extra layer of protection for the electronic components.
Key Features
- Dual-Port Design: It has two independent, isolated serial ports that support both RS-232 and RS-485 protocols. This allows the PLC to communicate with two different serial devices at the same time.
- Electrical Isolation: The ports are electrically isolated from each other and from the backplane. This protects the system from ground loops and electrical noise, which can cause signal degradation or damage.
- Conformal Coating: The “CA” suffix means the module’s circuitry is covered in a protective film. This coating makes the module resistant to moisture, dust, chemical vapors, and corrosion, making it suitable for use in harsh industrial environments.
- Software Configuration: All communication settings, such as baud rate, parity, and data bits, are configured using the Proficy Machine Edition software.
- Hot Swap Capability: The module supports hot insertion and extraction, so it can be replaced while the system is powered on, which helps to minimize downtime.
Applications
The IC695CMM002CA is used in industrial automation for reliable serial communication in demanding environments. It is ideal for:
- Harsh Environments: Applications in chemical plants, food and beverage facilities, or outdoor installations where the module is exposed to environmental contaminants.
- Device Integration: Connecting the PLC to various smart devices like variable frequency drives (VFDs), barcode readers, and scales.
- Legacy System Interfacing: Interacting with older equipment that only supports serial communication.
