OVERVIEW

Official designation: GE Fanuc IC695NIU001 (PACSystems RX3i, Ethernet Network Interface Unit)

Role/Application: Single-slot module enabling remote use of RX3i and Series 90-30 I/O over an Ethernet network via the required IC695ETM001 module.

KEY SPECS SUMMARY

Power: 0.95 A at 5 VDC / 0.52 A at 3.3 VDC

Interfaces / Ports: One RS-232, one RS-485 serial port

Indicators: Power, Run, I/O Force, Serial Status

Operating Temp: 0 degrees C to 60 degrees C

Platform / Compatibility: Universal RX3i backplane, dual backplane support

Limit: 10 MB flash memory / 20 KB optional local logic

Lifecycle: Active

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What are the nominal power requirements for the two power rails used by the NIU module?

A: Nominal power draw is 0.95 Amps at 5 VDC and 0.52 Amps at 3.3 VDC.

Wiring & Installation:

Q: Which communication module is required on the backplane for Ethernet communications using EGD?

A: The IC695ETM001 Ethernet Interface module is required for EGD and TCP/IP SRTP communication services.

Troubleshooting & Compatibility:

Q: What serial protocols are natively supported by the NIU's RS-232 and RS-485 ports?

A: Protocols natively supported include SNP, Modbus RTU Slave, and Serial I/O.

Replacement & Upgrades:

Q: What is the recommended battery for the NIU's battery-backed Real Time Clock?

A: The recommended battery is the RX3i CPU Lithium Smart Battery, IC695ACC302.