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In today’s mixed-vendor, brownfield-heavy industrial automation world, the single biggest barrier to modernizing control without ripping everything out is usually the field I/O network. You have perfectly good Rx3i or Series 90-30 racks full of healthy I/O, but the existing CPU is obsolete, the Genius or Remote I/O bus is no longer supported by new hardware, or you simply need to connect the whole island into a plant-wide PROFINET architecture alongside Siemens, Rockwell, or third-party devices. Forcing a complete forklift upgrade to get onto a modern Ethernet-based network is rarely justified when the I/O itself can run another twenty years.
This is exactly why the GE IC695PNS001-AB exists and why it has become the de-facto standard PROFINET scanner for PACSystems Rx3i. This single-slot PROFINET controller turns any Rx3i backplane into a fully compliant PROFINET I/O device (or controller) on a modern 100 Mbps Ethernet plant network. Drop the IC695PNS001-AB into the rack alongside your existing CPU (or as the sole controller in a CPE305/310-based system) and you instantly gain two front RJ45 ports with built-in switch, support for up to 32 I/O devices (or 128 when using shared-device), MRP ring redundancy, I/O data up to 8 kbytes per cycle, and full integration with Siemens TIA Portal, Emerson Machine Edition, or any third-party PROFINET controller. For plants that need to keep their proven Rx3i I/O alive while joining Industry 4.0 networks, the GE IC695PNS001-AB is the lowest-risk, fastest-path migration tool available.
The GE IC695PNS001-AB occupies a normal slot on any Rx3i universal backplane and communicates to the CPU via the high-speed VME-like bus exactly like a native module. It presents the entire rack’s I/O image (and any downstream VersaMax or third-party PROFINET devices) as standard PROFINET cyclic data with full diagnostic GSDML support. The two front Ethernet ports are switch-capable, so you can daisy-chain racks in a line topology or close an MRP ring for zero-switchover redundancy — a feature most plants use to survive cable breaks without dropping a single scan.
Configuration is drag-and-drop in Machine Edition or TIA Portal: import the GSDML, set the device name/IP, map the I/O, and you’re live. Firmware revision -AB adds LLDP, DCP, and enhanced shared-device support that lets a single rack appear to two different controllers (common when migrating safety systems or adding redundant HMIs). The module also supports media redundancy (MRP client), PROFINET system redundancy (S2), and I-Device functionality, making it one of the most flexible PROFINET nodes Emerson has ever shipped.
- IC695PNS001-AB
- IC695PNS001-AB
| Specification | Details |
|---|---|
| Model Number | IC695PNS001-AB |
| Brand | GE (now Emerson) |
| Type | Rx3i PROFINET Controller / Scanner |
| Ethernet Ports | 2 × 100 Mbps RJ45 with integrated switch |
| Max I/O Devices | 32 (128 with shared-device) |
| Max Cyclic Data | 8 kB input + 8 kB output |
| Redundancy | MRP client, S2 system redundancy |
| Operating Temp Range | 0 °C to +60 °C |
| Mounting Style | Rx3i universal backplane (any slot) |
| Dimensions (W×H×D) | 30 mm × 140 mm × 135 mm |
| Weight | 0.38 kg |
| Interface/Bus | Rx3i high-speed backplane |
| Compliance | CE, UL, cUL, ATEX Zone 2, Class I Div 2, PROFINET Conformance Class B |
| Supported Protocols | PROFINET RT, LLDP, SNMP, DCP |
| Typical Power Draw | 0.7 A @ 5 V + 0.3 A @ 3.3 V backplane |
Choosing the GE IC695PNS001-AB means you stop treating PROFINET migration as a multi-year capital project. One module, one slot, zero field rewiring — and your entire rack of Rx3i I/O is suddenly a first-class citizen on the plant PROFINET backbone. Plants routinely cut migration cost and downtime by 70–90 % compared to full platform swaps. Ring redundancy and S2 support give you sub-10 ms recovery from cable faults, while shared-device capability lets you phase in new controllers without ever losing visibility of the process.
The IC695PNS001-AB is deployed wherever legacy GE I/O meets modern Ethernet networks: automotive body shops adding PROFINET robots to existing Rx3i weld controllers, water districts tying remote Rx3i pump stations into a central PROFINET SCADA ring, oil & gas pipelines connecting Rx3i RTUs to corporate DCS over redundant fiber rings, and food & beverage lines integrating Rx3i fillers with Siemens packagers on the same backbone. In every case the requirement is zero-downtime network migration with full redundancy and diagnostics — exactly what the IC695PNS001-AB has delivered since its -AB revision in the early 2020s.
IC695PNS001-AA – Original revision (no S2/shared-device)
IC695PNC001 – PROFINET controller for CPE305/310 standalone racks
IC695PBM300 – PROFIBUS DP master (if you still need that bus)
IC695ETM001 – Ethernet Global Data / Modbus TCP interface
IC695RMX128 – Redundancy memory module (for S2 systems)
IC695CPE305 – Single-slot CPU often paired with PNS001
IC695CPE400 – High-performance CPU with built-in PROFINET
IC694TBB032 – High-density terminal block (if using external switches)
Before installing the GE IC695PNS001-AB, verify your Rx3i CPU firmware is 8.90 or later (9.70+ for full S2 support). Reserve an IP subnet that matches your plant PROFINET standard and choose a unique device name (no spaces, lowercase recommended). Use Cat5e or better shielded cable and keep the two front ports in a dedicated PROFINET VLAN if your IT group insists. Download the latest GSDML and firmware from the Emerson support site — the -AB release added important shared-device fixes.
In service, maintenance is essentially network health monitoring: the four front LEDs show link, activity, and MRP status instantly. Once a year, force an MRP ring test by pulling a cable — you should see <10 ms recovery in the controller diagnostic buffer. Spare modules are inexpensive and swap hot without dropping the network.
