GE VersaMax IC200ALG430 Modules

Technical Dossier

Product Details And Specifications

GE VersaMax Series: Comprehensive Module Range and Technical Overview

The GE VersaMax series (IC200 product family) is a modular programmable logic controller platform developed by GE Automation & Controls (now part of Emerson / Proficy portfolio). Deployed across heavy industrial sectors — including petrochemical refineries, nuclear auxiliary systems, offshore platforms, and continuous-process manufacturing — VersaMax occupies a critical position in distributed I/O and standalone PLC architectures worldwide. Its carrier-based backplane design supports hot-swap-capable I/O modules, enabling maintenance without full system shutdown, a requirement in high-availability environments such as chemical batch reactors and power generation auxiliaries.

The Evolution of VersaMax Architecture

VersaMax was introduced in the late 1990s as GE Fanuc's answer to distributed I/O demand in mid-range automation. The IC200 designation covers the core VersaMax I/O and CPU modules, while IC200 NIU (Network Interface Units) extended the platform to DeviceNet, Profibus-DP, and Ethernet networks. Early revisions used parallel backplane communication; later iterations introduced the VersaMax Micro (IC200UDR/UDD series) for standalone applications and the VersaMax NANO for compact OEM use. The IC200ALG family specifically addresses analog signal conditioning — a domain where VersaMax competed directly with Allen-Bradley Flex I/O and Siemens ET 200M. Compatibility constraints are significant: IC200 modules require IC200CHS (carrier) hardware matched to the correct slot count, and CPU firmware versions must align with module catalog revisions. As of 2024, GE/Emerson has transitioned primary development to the RX3i (IC695) platform, placing the full IC200 series in a mature/end-of-active-development lifecycle phase. Long-term maintenance support remains the primary use case for IC200 procurement.

VersaMax IC200 Full Catalog & Functionalities (SKU List)

Analog I/O Modules

• IC200ALG430: Analog mixed module, 12-bit, 4 inputs (0–10V/4–20mA) + 2 outputs (0–10V/4–20mA)
• IC200ALG240: Analog input module, 4-channel, 12-bit, voltage/current configurable
• IC200ALG260: Analog input module, 8-channel, 12-bit, 4–20mA current input
• IC200ALG320: Analog output module, 2-channel, 12-bit, voltage/current output
• IC200ALG328: Analog output module, 4-channel, 12-bit, 0–10V / 4–20mA
• IC200ALG432: Analog mixed module, 4 inputs / 2 outputs, extended diagnostics
• IC200ALG620: Thermocouple input module, 4-channel, J/K/T/E/R/S/B types
• IC200ALG630: RTD input module, 4-channel, Pt100/Pt1000/Ni120 compatible

Digital Input Modules

• IC200MDL140: 8-point discrete input, 120VAC, isolated
• IC200MDL240: 16-point discrete input, 24VDC, positive/negative logic
• IC200MDL650: 32-point discrete input, 24VDC, high-density
• IC200MDL730: 8-point discrete input, 24VDC, individually isolated

Digital Output Modules

• IC200MDL330: 8-point relay output, 2A per point, Form A contacts
• IC200MDL740: 16-point discrete output, 24VDC, 0.5A per point, sourcing
• IC200MDL750: 32-point discrete output, 24VDC, high-density sourcing

CPU & Network Interface Units

• IC200CPUE05: VersaMax CPU, 14KB user memory, embedded Ethernet port
• IC200CPUE01: VersaMax CPU, 6KB user memory, serial port
• IC200PBI001: Profibus-DP network interface unit, slave mode
• IC200BEM003: DeviceNet network interface unit, scanner/slave

Power Supply Modules

• IC200PWR002: 24VDC input power supply, 30W, for VersaMax main rack
• IC200PWR101: 120/240VAC input power supply, 30W

Sourcing Hard-to-Find & Obsolete VersaMax Parts

With GE/Emerson having formally shifted active development to the PACSystems RX3i platform, the IC200 series is no longer receiving new hardware revisions. This creates a well-documented supply gap: OEMs and end-users operating legacy VersaMax installations — particularly in industries with 20–30 year equipment lifecycles such as nuclear balance-of-plant, water treatment SCADA, and refinery DCS — require a reliable source for both new-old-stock and tested-used modules. DriveKNMS maintains a dedicated inventory buffer for IC200 series components, with particular depth in analog I/O (IC200ALG family) and CPU modules. For discontinued part numbers, DriveKNMS provides cross-reference analysis to identify functional equivalents within the IC200 family or migration pathways to IC695 (RX3i) where backplane substitution is feasible. All sourced units are accompanied by full traceability documentation.

Quality Control for the VersaMax IC200 Range

VersaMax modules communicate via a proprietary parallel backplane bus. Quality verification for IC200 modules at DriveKNMS includes: backplane connector pin inspection under 10× magnification; functional power-on test with carrier (IC200CHS) and reference CPU to confirm module enumeration and LED status; analog channel calibration verification for ALG-series modules using a calibrated signal source (Fluke 725 or equivalent) across the full input/output range; and isolation resistance testing between field-side terminals and logic-side circuitry. Modules exhibiting calibration drift exceeding ±0.5% of full scale are recalibrated or rejected. Firmware revision is recorded and disclosed for all CPU and NIU units prior to shipment.