GE IC670 Series Modules: IC670MFP100

Name: GE IC670 Series Modules: IC670MFP100
Brand: GE Fanuc

Model: IC670MFP100

Brand GE Fanuc

Series IC670 Series

Model IC670MFP100

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Product Details And Specifications

GE IC670 Series Technical Notes

The GE Fanuc IC670 series — commercially designated as the VersaMax Micro PLC family — represents one of GE Automation's most widely deployed compact controller platforms in global heavy industry. Installed across petrochemical refineries, nuclear auxiliary systems, offshore platforms, and continuous-process chemical plants, the IC670 architecture provides a deterministic, rack-based I/O and control environment rated for harsh industrial environments. Its modular backplane design supports mixed analog/digital I/O expansion without a dedicated rack, making it a preferred embedded controller in skid-mounted equipment and distributed control nodes where panel space is constrained.

The IC670 series operates as a standalone micro-PLC or as a remote I/O drop under a GE Series 90-30 or Series 90-70 host CPU, giving it a dual role in both standalone and distributed architectures. This flexibility has sustained its installed base well into the 2020s, long after GE Automation's transition to Emerson (following the 2018 acquisition of GE's industrial automation division).

The Evolution of IC670 Architecture

The IC670 platform was introduced in the mid-1990s as GE Fanuc's answer to the growing demand for compact, DIN-rail-mountable PLCs capable of operating without a dedicated backplane chassis. Early revisions (Rev A/B) supported basic discrete I/O with a proprietary serial expansion bus. By the late 1990s, GE Fanuc introduced analog I/O modules and the IC670MFP100 multi-function processor, which consolidated CPU, power, and communications into a single unit — a significant architectural shift that reduced BOM complexity for OEM machine builders.

The IC670 series reached peak deployment in the 2000–2010 decade. During this period, firmware revisions addressed Modbus RTU timing issues and expanded the supported I/O module count per network segment. The introduction of Ethernet-capable variants (IC670ETM001) extended the platform's lifecycle by enabling integration with SCADA systems via standard TCP/IP without a dedicated communications coprocessor.

IC670 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly deployed modules within the GE Fanuc IC670 series. Modules are categorized by function:

CPU / Multi-Function Processors

IC670MFP100: Multi-function processor unit; integrated CPU, power supply, and serial comms for standalone VersaMax Micro operation.
IC670MFP101: Enhanced MFP with expanded program memory and additional serial port for dual-channel Modbus RTU.
IC670MFP110: MFP variant with embedded Ethernet port; supports SRTP and Modbus TCP protocols natively.

Discrete Input Modules (DI)

IC670MDL640: 8-point 24VDC discrete input module; sink/source configurable; standard DIN-rail mount.
IC670MDL641: 16-point 24VDC discrete input; high-density configuration for space-constrained panels.
IC670MDL650: 8-point 120VAC discrete input module; optically isolated; suitable for field device interfacing.
IC670MDL651: 16-point 120VAC discrete input; extended voltage tolerance for noisy AC environments.

Discrete Output Modules (DO)

IC670MDL740: 8-point 24VDC discrete output; transistor sourcing type; 0.5A per point.
IC670MDL741: 16-point 24VDC discrete output; high-density; 0.3A per point with short-circuit protection.
IC670MDL742: 8-point relay output module; Form C contacts; rated 2A at 250VAC for motor starter and solenoid control.
IC670MDL750: 8-point 120VAC triac output; zero-crossing switching; suitable for resistive and inductive loads.

Analog Input Modules (AI)

IC670ALG230: 4-channel analog input; 4–20mA or 0–10VDC selectable per channel; 12-bit resolution.
IC670ALG231: 8-channel analog input; 4–20mA; 12-bit; supports HART pass-through on select firmware revisions.
IC670ALG240: 4-channel thermocouple/RTD input; supports J, K, T, E type TCs and PT100 RTDs; cold-junction compensated.

Analog Output Modules (AO)

IC670ALG320: 2-channel analog output; 4–20mA; 12-bit resolution; short-circuit protected outputs.
IC670ALG321: 4-channel analog output; 4–20mA / 0–10VDC selectable; suitable for valve positioner and VFD reference signals.

Communications / Network Adapters

IC670ETM001: Ethernet TCP/IP communications module; supports SRTP, Modbus TCP, and EGD (Ethernet Global Data) protocols.
IC670PBM001: PROFIBUS DP master module; supports up to 125 slave nodes; GSD file configurable.

Sourcing Hard-to-Find & Obsolete IC670 Parts

Customers operating under IEC 61511 (functional safety) or NRC maintenance rule frameworks are advised to request full traceability documentation, which DriveKNMS provides upon request for safety-instrumented system (SIS) applications.

Quality Control for the IC670 Range

IC670 modules present specific test challenges due to their integrated backplane bus architecture and mixed-signal I/O design. DriveKNMS applies the following verification procedures to all IC670 units prior to shipment:

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