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In Stock
Ships by Friday, August 7
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· Product image is representative; revision or series may vary. Contact us to request a specific version.
We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online.
If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.
Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for 3503E
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Product Model3503E
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Product Parameters3503E Digital Input Module
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Tariff Code8537101190
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Country of originUSA
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size2.2x40.8x40cm
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ManufacturerInvensys
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Weight2 kg
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TypeTMR with Self-Test
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Voltage24 VAC/VDC
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Points32, commonedin groups of 8
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AC Range/DC Range20-42.5 VAC/VDC
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Frequency RangeDC or 47-63 Hz
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Maximum Voltage42.5 VAC/VDC
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OFF to ON> 18 VAC/VDC
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ON to OFF< 6 VAC/VDC
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Nominal Turn-On6-9 mA
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Typical Hysteresis4 VAC/VDC
Description
The Triconex 3503E is a Triple Modular Redundant (TMR) Digital Input Module for integration within the Triconex Tricon Safety System family. It provides a high-availability, fault-tolerant interface for acquiring discrete digital signals from field devices in safety-critical industrial applications.
The module features 32 digital input channels rated for 24 VAC/DC operation, divided into eight groups. Each channel is electrically isolated from the Tricon backplane via optical isolators, ensuring robust protection against field-side transients and electromagnetic interference. The input voltage range spans 20 to 42.5 VDC with a maximum withstand of 42.5 VAC/VDC, accommodating a variety of industrial digital signal sources including dry contacts and solid-state outputs.
The module features 32 digital input channels rated for 24 VAC/DC operation, divided into eight groups. Each channel is electrically isolated from the Tricon backplane via optical isolators, ensuring robust protection against field-side transients and electromagnetic interference. The input voltage range spans 20 to 42.5 VDC with a maximum withstand of 42.5 VAC/VDC, accommodating a variety of industrial digital signal sources including dry contacts and solid-state outputs.
Information
Overview
Manuals
Application Notes
Product Applications
Pre-Installation Prerequisites
Features:
- TMR with Self-Test
- 24 VAC/VDC
- 32, commonedin groups of 8
All TMR digital input modules sustaincomplete, ongoing diagnostics for eachchannel. Failure of any diagnostic onany channel activates the module Faultindicator which in turn activates thechassis alarm signal. The module Faultindicator points to a channel fault, not amodule failure. The module is guaranteed to operate properly in the presenceof a single fault and may continue tooperate properly with certain kinds ofmultiple faults
The 3503E TRICONEX TMR Digital Input Module may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
TRICONEX 3503E TMR Digital Input Module Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Models 3502E, 3503E, and 3505E canself-test to detect stuck-ON conditionswhere the circuitry cannot tell whethera point has gone to the OFF state. Sincemost safety systems are set up with ade-energize-to-trip capability, theability to detect OFF points is an important feature. To test for stuck-ONinputs, a switch within the inputcircuitry is closed to allow a zero input(OFF) to be read by the optical isolationcircuitry. The last data reading is frozenin the I/O communication processorwhile the test is running.
- Emergency Shutdown Systems:Monitors reactor/compressor; auto shutdown on upsets
- Fire & Gas Systems:Processes smoke/heat/gas detectors; manages suppression
- Burner Management Systems (BMS):Safe steam boiler/furnace startup/operation/shutdown
- Oil & Gas Production:Upstream, offshore & midstream pipeline management.
- Petrochemical & Chemical Processing:Continuous control for refineries & manufacturing
- Power Generation:Controls turbines, boilers & nuclear plants
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Wear ESD Protection: Always wear a properly grounded ESD wrist strap before handling the module.
Verify Slot Keying: Ensure the chassis slot is mechanically keyed correctly. Each TMR module features a physical key on the backplane connector to prevent incorrect insertion into an incompatible slot.
Check Environmental Conditions: Confirm the operating environment stays within acceptable safety system tolerances, particularly regarding dust and temperature limitations
Technical notes
The 3503E supports hot-spare capability and is hot-swappable, allowing module replacement without system shutdown. It requires a separate External Termination Panel (ETP) with a cable interface to the Tricon backplane. The module is mechanically keyed to prevent incorrect installation in a configured chassis.
FAQs
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What is the 3503E？
+The TRICONEX 3503E is a 32-channel, 24V AC/DC Digital Input Module designed for the Triconex Tricon TMR (Triple Modular Redundant) safety system. -
Can I use the 3504E module as a replacement for the 3503E?
+While functionally compatible, the 3504E is generally used for higher-speed/higher tooth-count turbine applications and offers more deterministic processing. -
Does the 3503E require a specific environmental housing?
+Yes, outside of optional conformal coating, the Tricon system is not inherently protected against corrosive atmospheres or dust. You must house the module in an appropriate NEMA-rated enclosure for industrial and outdoor settings. -
How are the points configured electrically?
+The 32 channels are commoned in groups of 8. -
What voltage ranges does it accept?
+It supports a nominal 24 VAC/VDC rating, with a recommended DC range of 20–42.5 VDC.What
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