- Parity: None, Even, or Odd
- Stop Bits: 1 or 2
- Isolation: Optically isolated serial ports for noise immunity and ground loop prevention
- Memory: Onboard memory for message buffering and protocol handling
- Power Supply: Powered via backplane; no external power required
- Backplane Current Draw: 350 mA at 5 VDC
- Module Slot Requirement: Occupies one slot in a 5- or 10-slot Series 90-30 rack
- Operating Temperature: 0°C to 60°C
- Storage Temperature: –40°C to 85°C
- Relative Humidity: 5% to 95% non-condensing
- Mounting: DIN rail or chassis mounting using standard Series 90-30 baseplates
- Dimensions: 130 mm (W) × 115 mm (H) × 100 mm (D)
- Weight: Approximately 300 grams
Key Features
- Dual serial ports (RS-232 and RS-485) enable simultaneous connection to multiple devices
- Supports full Modbus RTU master/slave functionality for integration with drives, meters, and third-party equipment
- SNP and SNPX protocols allow communication with other Series 90-30 PLCs and GE HMI systems
- Optical isolation protects the PLC from electrical noise and voltage transients
- Configurable as a communication gateway between different network segments
- LED indicators for power, transmit (TX), receive (RX), and fault status on each port
- Message queuing and buffering for reliable data transmission in high-traffic networks
- Compatible with Proficy Machine Edition (PME) and legacy VersaPro software for configuration
- Firmware upgradeable through programming software or serial connection
Functional Capabilities
- Enables peer-to-peer communication between multiple PLCs
- Facilitates data transfer to SCADA systems, host computers, and data loggers
- Supports polling and messaging functions for remote device control
- Handles high-volume serial data for real-time monitoring and control
- Can act as a Modbus master to poll multiple slave devices on the same network
- Supports free-format communication for custom protocols using ASCII-based messaging
- Provides error detection and retry mechanisms for robust communication
Applications
- Industrial automation systems requiring communication between PLCs and host computers
- Integration of PLCs with SCADA systems using Modbus RTU over RS-485
- Factory floor networks with multiple HMIs, drives, and sensors
- Material handling and conveyor systems using distributed control
- Water and wastewater treatment plants with remote pump stations
- Building management systems connecting to HVAC, lighting, and security devices
- Legacy system upgrades where reliable serial communication is essential
Compatibility and Integration
- Fully compatible with GE Series 90-30 PLC systems including all CPU and I/O modules
- Works with standard 5- and 10-slot baseplates (IC693CHS397, IC693CHS392)
- Integrates seamlessly with Proficy HMI, iFIX, and Cimplicity software
- Connects to barcode readers, printers, and operator terminals via RS-232
- Supports daisy-chained networks using RS-485 for long-distance communication (up to 1200 meters)
- Can be used in conjunction with CPU modules to offload communication tasks
Environmental and Mechanical
- Designed for industrial environments with resistance to electromagnetic interference (EMI)
- Vibration and shock tested to meet industrial standards
- Compact design for high-density control panel installation
- Operating altitude up to 2,000 meters above sea level














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