IC695NIU001-BE GE Fanuc PACSystems ENIU Datasheet Technical Manual
Manufacturer: GE Fanuc
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Part Number: IC695NIU001-BE
Condition：New with Original Package
Product Type: Ethernet Network Interface Units
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE Fanuc IC695NIU001-BE PACSystems RX3i Ethernet Network Interface Unit
Configured for remote I/O orchestration in PACSystems RX3i configurations, the GE Fanuc IC695NIU001-BE (IC695NIU001 Ethernet Network Interface Unit) provides direct physical/electrical execution. The hardware establishes a deterministic data link layer connecting decentralized Series 90-30 and RX3i I/O module matrices directly to a centralized master controller over an Ethernet backbone. By managing backplane frame translations and serial protocol mappings locally, the single-slot module maintains synchronized I/O table updates across distributed process racks.
Suffix Breakdown & Model Matrix
- IC695NIU001: Base catalog number designating the PACSystems RX3i Ethernet Network Interface Unit (ENIU) core hardware platform.
- Suffix -BE: Specifies the exact production layout and hardware firmware revision bundle. This suffix configuration designates updated internal component tracking matrices that are electrically compliant with the PCI 2.2 standard and optimizes hardware handling for redundant controller architectures.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IC695NIU001-BE |
| Brand | GE Fanuc (Emerson Automation) |
| Origin | United States |
| Weight | 0.45 kg (1.00 lbs) net board mass |
| Dimensions | 177 mm x 115 mm x 59 mm |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 0.52 A nominal (1.25 A max) @ +3.3 VDC; 0.95 A nominal (1.0 A max) @ +5 VDC |
| Module Type | Ethernet Network Interface Unit (ENIU) |
| Backplane Support | Dual bus support: RX3i PCI and Series 90-30 style serial architecture |
| PCI Compatibility | Electrically compliant with PCI 2.2 standard specifications |
| Integrated Flash Memory | 10 MB built-in non-volatile storage |
| Local Application Logic | 20 KB capacity for optional localized user logic execution |
| Floating Point | Supported |
| Serial Interface Ports | 1 x RS-232 (9-pin port); 1 x RS-485 (15-pin port) |
| Native Serial Protocols | SNP, Modbus RTU Slave, Serial I/O (Modbus RTU Master via application C block) |
| System Backplane Slot | Single slot allocation on RX3i Universal Backplane (IC695CHS0xx) |
| External Module Pairing | Requires minimum of one RX3i Ethernet Module (IC695ETM001) for network uplink |
| Battery Backup Options | IC695ACC302 Lithium Smart Battery, IC693ACC302, or IC698ACC701 |
| Galvanic Isolation | 1500 VAC continuous |
| Redundant Configurations | Supported |
| Visual Diagnostic LEDs | NIU OK, Scanning I/O, Outputs Enabled, COM1, COM2, Sys Fault |
Profinet / EtherNet/IP Deterministic Networks and I/O Density Scaling
The GE Fanuc IC695NIU001-BE functions as a remote node manager that isolates localized backplane scan cycles from standard corporate network traffic variations. The dual-bus architecture executes commands regulated under backplane bus communication velocity licenses, allowing legacy Series 90-30 expansion racks to operate alongside modern RX3i hardware.
When integrating distributed equipment into high-speed Profinet / EtherNet/IP deterministic networks, this interface module manages the data layout for the target station. The 10 MB built-in flash memory enables advanced I/O density scaling profiles by sorting local analog and digital register values into structured communication packets. This organization allows synchronous data transmission to the main master controller while maintaining firmware flash compatibility rules across different module generations.
Frequently Asked Questions
Q: What are the primary backplane electrical and load constraints when planning a remote ENIU drop?
A: The IC695NIU001-BE requires installation in a universal RX3i backplane (IC695CHS0xx) powered by an approved RX3i power supply (IC695PSxxxx). Electrical planning must budget for a dual-voltage load on the backplane rails, specifically drawing 0.52 A at +3.3 VDC and 0.95 A at +5 VDC under nominal processing conditions.
Q: How is memory preservation handled on the interface unit during complete station power disruptions?
A: Real-time clock parameters and volatile registry pointers are sustained through an external battery connection. The hardware supports the IC695ACC302 Lithium Smart Battery pack, legacy IC693ACC302 Series 90-30 packs, or the IC698ACC701 coin cell setup, which require physical inspection and replacement schedules depending on ambient temperatures.
Q: Is the IC695NIU001-BE qualified for installation in hot-swappable active expansion racks?
A: No. While certain downstream I/O modules on the RX3i universal backplane support hot-swapping, the network interface unit itself serves as the active backplane bus manager for that node. Removing or inserting the NIU while the rack power supply is energized can corrupt backplane logic data, damage the PCI transceivers, or cause an immediate system fault across the connected network.
Field Installation Guidelines
- Disconnect all primary AC and auxiliary DC power lines supplying the RX3i baseplate enclosure before handling the hardware.
- Align the back of the IC695NIU001-BE module with the assigned guide tracks on the universal backplane, pressing straight back until the dual PCI/serial connectors engage securely.
- Torque the faceplate mechanical retention screws into the chassis frame to ensure proper alignment and a stable low-impedance ground connection.
- Connect all serial communication lines using shielded twisted-pair cables, ensuring the shield drain wire terminates directly at the designated enclosure earth point.
- Keep all network communication cables and serial loops at least 30 cm away from high-voltage motor starters, three-phase power lines, or variable frequency drive cables to minimize electromagnetic interference.