Product Overview

The GE IC670MDL740J is a 16-channel electromechanical relay output module engineered for the GE Fanuc Series 90-30 programmable logic controller(PLC)platform,serving as a critical interface between the control system and field-level actuators.Designed to directly switch both AC and DC loads up to 2 amperes per channel,the GE IC670MDL740J eliminates the need for external interposing relays in a wide range of industrial applications—from valve solenoids and pilot lamps to small contactors—thereby simplifying panel design,reducing wiring complexity,and lowering total cost of ownership.

Unlike solid-state output modules limited to specific voltage types,the GE IC670MDL740J leverages robust mechanical relays with single-pole,single-throw(SPST)normally open(NO)contacts that provide true galvanic isolation between the PLC logic side and the field power circuits.Each of its 16 outputs operates independently,with no shared common terminal,ensuring that a short circuit or overload on one channel does not affect the remaining outputs—a key reliability feature in multi-device control systems.The GE IC670MDL740J is fully compatible with standard Series 90-30 I/O carriers such as the IC670CHS001,making it ideal for both centralized control cabinets and distributed remote I/O stations connected via Genius bus communication modules like the IC670CMM001.

Technical Specifications

Parameter Name Parameter Value

Product Model IC670MDL740J

Manufacturer General Electric(GE Fanuc Intelligent Platforms)

Product Type 16-Channel Relay Digital Output Module

Output Type Electromechanical Relay,SPST(Normally Open)

Number of Channels 16(fully isolated,no common terminal)

Contact Rating 2 A 240 VAC or 2 A 30 VDC(resistive load)

Minimum Load 10 mA 5 VDC

Electrical Isolation>1500 Vrms between field and logic circuits

Response Time(ON/OFF)≤10 ms/≤5 ms

Termination Type Screw-type removable terminal block(Phoenix-style compatible)

Operating Temperature 0°C to+60°C

Certifications CE,UL 508,CSA C22.2 No.142

Main Features and Advantages

Universal AC/DC switching capability:The GE IC670MDL740J supports mixed-voltage environments by allowing each channel to independently switch either AC or DC loads within its rating.This flexibility is invaluable in retrofit projects or multi-machine lines where legacy equipment operates on different power standards.

Independent fault containment:With no shared return path among outputs,a failure on one channel—such as a shorted solenoid coil—will not disable other functions.This architecture enhances system availability,particularly in continuous-process industries like water treatment or packaging where unplanned downtime is costly.

Visual diagnostics and serviceability:Front-panel LEDs provide real-time status indication for all 16 channels,enabling rapid troubleshooting without probing live circuits.The removable terminal block allows field wiring to remain intact during module replacement,reducing maintenance time from hours to minutes.

Proven reliability in harsh environments:The relays are rated for high inrush currents(e.g.,from incandescent lamps or transformer primaries)and feature gold-flashed contacts for low-voltage signal integrity.Combined with conformal coating on internal PCBs,the GE IC670MDL740J withstands humidity,dust,and electrical noise common in industrial settings.

Seamless integration with Series 90-30 ecosystem:The module plugs directly into standard I/O carriers and communicates natively with Series 90-30 CPUs,supporting both local rack mounting and remote I/O configurations over the Genius fieldbus—ensuring long-term compatibility in existing installations.

Application Field

The GE IC670MDL740J is extensively deployed in industries relying on mature yet mission-critical GE Series 90-30 control systems.In municipal water and wastewater facilities,it actuates chemical dosing pumps,backwash valves,and blower motors—often operating unattended for months.In food and beverage plants,the GE IC670MDL740J controls pneumatic diverters,capping heads,and reject gates on high-speed lines,where its mechanical relays tolerate frequent cycling better than some solid-state alternatives.Similarly,in power generation auxiliary systems—such as coal handling,ash removal,or cooling towers—it provides dependable switching for motors and dampers under demanding environmental conditions.

Beyond greenfield builds,the GE IC670MDL740J plays a vital role in lifecycle extension strategies.Many asset owners choose to retain their Series 90-30 infrastructure for non-core processes due to its stability and low failure rate,using modules like the GE IC670MDL740J to replace aging outputs or expand I/O capacity without migrating to a new platform.Its continued availability ensures operational continuity for thousands of legacy systems worldwide.

Related Products

IC670MDL740:Base model without suffix“J”;functionally identical,“J”may denote regional or revision variant

HE693BBD025:Equivalent 16-channel relay output module for VersaMax platform

IC670MDL240J:16-channel 12–24 VDC digital input module,complementary to IC670MDL740J

IC670CHS001:5-slot I/O carrier base required to mount IC670MDL740J

IC670CMM001:Genius communications module enabling remote I/O using IC670MDL740J

IC693MDL740:Earlier version for Series 90-30 with similar functionality but different form factor

IC670ACC001:DIN rail end clamps and accessories for secure mounting of I/O bases

IC693PWR321:Power supply module for standalone Series 90-30 racks(not used with passive carriers)

Installation and Maintenance

Pre-installation preparation:Install the GE IC670MDL740J into a compatible I/O carrier such as the IC670CHS001,ensuring it is fully seated and latched.Verify that the terminal block is securely fastened and that field wiring uses stranded copper conductors(0.2–2.5 mm²)with ferrules.Confirm that external load power sources are isolated during wiring to prevent accidental energization through connected devices.

Maintenance recommendations:During routine inspections,check for signs of contact wear—such as pitting,discoloration,or intermittent output behavior—and replace the GE IC670MDL740J if relay chatter or LED flicker is observed.Although rated for 100,000+operations,modules in high-cycle applications should be monitored closely.Always keep spares in climate-controlled storage to preserve internal lubrication and contact plating.When replacing,disconnect field power first,remove the terminal block,swap the module,and reattach wiring—minimizing downtime while maintaining safety.

Product Guarantee

Every GE IC670MDL740J we supply is 100%genuine,sourced exclusively from traceable industrial channels including original factory surplus,project cancellations,and certified decommissioned assets.Each unit undergoes full functional testing—including relay actuation verification,LED status checks,and insulation resistance measurement—to ensure it meets GE’s original performance specifications.We back our products with a 12-month warranty against defects in materials and workmanship and provide lifetime technical support from engineers deeply experienced in GE Series 90-30 architecture.Trust your critical output layer to the authentic GE IC670MDL740J—a proven,reliable solution for industrial automation that stands the test of time.

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