GE VersaMax Modules: IC200ALG262G

Technical Dossier

Product Details And Specifications

GE VersaMax Series: Comprehensive Module Range and Technical Overview

The GE VersaMax system (IC200 series) is a distributed I/O and standalone PLC platform developed by GE Automation & Controls (formerly GE Fanuc). It is deployed across heavy industrial sectors including petrochemical refining, power generation, water treatment, and discrete manufacturing. Its modular backplane architecture supports both standalone PLC operation and remote I/O expansion under a PACSystems RX3i or Series 90-30 host controller. The platform's installed base spans hundreds of thousands of nodes globally, making long-term spare parts availability a critical operational concern for plant engineers and maintenance teams.

The Evolution of VersaMax Architecture

The VersaMax platform was introduced in the late 1990s as GE Fanuc's answer to distributed I/O requirements in process and hybrid automation environments. The original IC200 hardware generation established a carrier-based backplane system where I/O modules slot into power-supply-fed carriers (IC200CHS series), communicating over a proprietary local bus. Early network adapters supported Genius Bus (IC200GBI001) and Profibus-DP (IC200PBI001), reflecting the dominant fieldbus standards of that era.

In the 2000s, GE introduced Ethernet-capable network interface units (IC200ENET) and expanded the analog I/O range to support HART-enabled field devices. The IC200ALG series covers the full analog signal range: current (4–20 mA), voltage (±10 V, 0–10 V), thermocouple, and RTD inputs. Compatibility between early and late IC200 hardware generations is generally maintained at the carrier and power supply level, but firmware revisions on NIU modules may affect interoperability with legacy host controllers. As GE transitioned to the PACSystems RX3i platform (IC695 series), VersaMax was repositioned as a remote I/O subsystem rather than a standalone controller platform, a role it continues to fill in brownfield installations.

VersaMax Full Catalog & Functionalities (SKU List)

The following SKUs represent the core IC200 VersaMax module range, organized by functional category. All models listed are verified members of the IC200 hardware family.

Analog Input Modules

• IC200ALG262G: 16-ch analog voltage/current input, 12-bit resolution, 4–20 mA / 0–10 V selectable per channel
• IC200ALG260: 8-ch analog current input module, 12-bit, 4–20 mA range, single-ended
• IC200ALG261: 8-ch analog voltage input module, 12-bit, ±10 V / 0–10 V selectable
• IC200ALG263: 16-ch analog current input, 12-bit, 4–20 mA, high-density format
• IC200ALG264: 4-ch thermocouple input module, supports J, K, T, E, R, S, B type TCs
• IC200ALG266: 4-ch RTD input module, supports Pt100, Pt1000, Ni120 RTD types

Analog Output Modules

• IC200ALG320: 4-ch analog current output, 12-bit, 4–20 mA, individually isolated channels
• IC200ALG321: 4-ch analog voltage output, 12-bit, ±10 V / 0–10 V selectable
• IC200ALG322: 8-ch analog current output, 12-bit, 4–20 mA

Digital Input Modules

• IC200MDL640: 32-ch 24 VDC positive logic digital input module
• IC200MDL650: 16-ch 120 VAC digital input module
• IC200MDL660: 16-ch 24 VDC isolated digital input module

Digital Output Modules

• IC200MDL740: 32-ch 24 VDC positive logic digital output, 0.5 A per channel
• IC200MDL750: 16-ch relay output module, Form A contacts, 2 A per channel
• IC200MDL741: 32-ch 24 VDC digital output, 0.25 A per channel, high-density

CPU / Controller Modules

• IC200CPUE05: VersaMax Micro CPU, 28 I/O points, supports ladder and function block programming
• IC200CPUE01: VersaMax Micro CPU, 14 I/O points, serial port, compact form factor

Network Interface & Communication Modules

• IC200ENET: Ethernet Network Interface Unit (NIU), 10/100 Mbps, SRTP and Modbus TCP
• IC200PBI001: Profibus-DP Network Interface Unit, slave mode, up to 244 bytes I/O
• IC200GBI001: Genius Bus Interface Unit, supports Genius Bus daisy-chain topology

Power Supply Modules

• IC200PWR002: 24 VDC input power supply, 30 W output for carrier bus
• IC200PWR101: 120/240 VAC input power supply, 30 W, universal input range

Carrier / Backplane

• IC200CHS002: 5-slot carrier, standard backplane for VersaMax I/O modules
• IC200CHS022: 8-slot carrier, extended backplane configuration

Sourcing Hard-to-Find & Obsolete VersaMax Parts

GE has formally transitioned its automation portfolio under Emerson (following the 2023 acquisition of GE's industrial automation business). While PACSystems RX3i remains in active production, the IC200 VersaMax hardware line is in a mature/end-of-life phase. OEM new-stock availability for many IC200 modules—including the IC200ALG262G—is limited or discontinued through standard distribution channels.

DriveKNMS maintains a dedicated inventory of IC200 VersaMax modules sourced from decommissioned plant equipment, authorized surplus channels, and factory-refurbished stock. For end-users operating brownfield installations with 10–20 year replacement horizons, DriveKNMS provides lifecycle extension support including: verified-functional used modules with test documentation, cross-reference to compatible replacement modules where applicable, and multi-unit lot sourcing for MRO stocking programs.

Quality Control for the VersaMax Range

IC200 modules present specific test challenges due to their carrier-bus communication architecture and mixed analog/digital signal paths. DriveKNMS applies the following verification procedures to all VersaMax inventory:

• Backplane bus continuity and slot keying verification on all carrier-mounted modules
• Analog channel calibration check against NIST-traceable reference signals for all ALG-series modules, including the IC200ALG262G (16-channel, 12-bit)
• Firmware version identification and logging for all NIU and CPU modules
• 24 VDC and AC power supply load testing at 80% rated output for minimum 30 minutes
• Visual inspection for capacitor aging, corrosion on backplane connectors, and relay contact wear on MDL750-series output modules
• Functional I/O scan test using a live VersaMax carrier and NIU prior to shipment