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Phone: +86 16626708626Description
Product Model: GE IC695NIU001CA-AB
Product Brand: GE Automation / Emerson PACSystems
Product Series: PACSystems RX3i
Product Features:
• Ethernet Network Interface Unit for RX3i and Series 90-30 remote I/O integration with dual serial ports.
• Supports multiple serial protocols (SNP, Modbus RTU Master/Slave, Serial I/O) and Ethernet data exchange.
• Built-in flash memory (10 MB) with optional local logic support and battery-backed clock.
• Single-slot design with dual backplane compatibility (RX3i PCI and 90-30 Serial).
Technical Specifications
| Specification | Detail |
|---|---|
| Model | GE IC695NIU001CA-AB |
| Series | PACSystems RX3i |
| Product Type | Ethernet Network Interface Unit (NIU) |
| Backplane Support | Dual: RX3i PCI and Series 90-30 serial |
| Communication Ports | 1 × RS-232, 1 × RS-485 |
| Serial Protocols Supported | SNP, Modbus RTU Master/Slave, Serial I/O |
| Ethernet Communication | Enabled via backplane Ethernet interface |
| Integrated Flash Memory | 10 MB |
| Optional Local Logic | Up to ~20 KB |
| Real-Time Clock | Battery-backed |
| Operating Temperature | 0°C to 60°C (standard industrial) |
| Mounting | Single slot, RX3i universal backplane |
| Protocol Integration | Ethernet Global Data (EGD), SRTP |
| Compatibility | PACSystems RX3i and Series 90-30 I/O |
- IC695NIU001CA-AB
Product Role & System Fit
The GE IC695NIU001CA-AB is classified as an Ethernet Network Interface Unit (NIU) within GE’s PACSystems RX3i automation platform. Although it does not function as a controller itself, it extends the communications capabilities of RX3i systems by enabling distributed I/O and serial devices to participate in networked control architectures. Integrated into an RX3i universal backplane, this module occupies a single slot and interfaces with both RX3i PCI and Series 90-30 serial backplanes, merging legacy and contemporary I/O structures.
Controllers like those in the RX3i series depend on network interface units to handle data exchange between the CPU and remote field stations. The GE IC695NIU001CA-AB enables this by bridging Ethernet communication protocols with device-level serial protocols and I/O data. Serial ports support RS-232 and RS-485 physical layers, making the module compatible with a broad base of industrial sensors and actuators that may still rely on serial communication.
Once installed, the NIU unit manages data traffic autonomously based on configuration set in GE’s Machine Edition or similar engineering software. Remote I/O racks and devices can communicate with the central controller via Ethernet, with the unit handling lower-level details of protocol execution, timing, and link management. This effectively decentralizes communication tasks, freeing controller resources to dedicate more bandwidth to core logic execution and system diagnostics.
Importantly, the dual backplane compatibility of this unit means it fits within hybrid system architectures. Older Series 90-30 modules can be integrated alongside new RX3i I/O without requiring separate gateways or converter hardware. This aspect proves beneficial in brownfield projects where legacy systems are being incrementally upgraded.
