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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 T8842
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Product ModelT8842
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Spare ModelPP45563
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Product ParametersField Termination Assembly
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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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Estimated Shipping Size6x17x18.8 cm
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ManufacturerICS Triplex
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Weight0.5 kg
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Voltage Range18 to 28V dc
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Fuses40-off 2A40-off 315mA40-off 50mA
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Maximum Current2.52A per power group
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Recommended Operating Current220mA per channel
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Power Consumption9W maximum
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Signal Input range0-20mA
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Operating Temperature-5°C to 60°C(23°F to 140°F)
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Operating Humidity5 to 95%, noncondensing
Description
T8842
Field Termination Assembly
Forty input channels perVFTA
Standard DIN railcompatibility
Field Termination Assembly
Forty input channels perVFTA
Standard DIN railcompatibility
Information
Overview
Manuals
Technical notes
Product Applications
Configuration and Wiring
Features:
- Forty input channels perVFTA
- Industry standard fielddevice connections (3-wire)
- Standard DIN railcompatibility
- Simple configuration usingplug-in fuses
- Simple installation andconnection
- 24V dc operation
- Fused field power supplyper channel
- Designed for use withcurrent ‘sinking’ and‘sourcing’ field devices
Each channel of the VFTA is configurable to enable a variety of field devicesto be connected. These include devices generating both analogue anddigital input signals, and output devices requiring a digital signal at up to 40Vdc.
The 40 channels are arranged in five power groups each comprising eightidentical channels. Each power group is supplied from dual 24V dc feedswhich are ‘commoned’ via diodes on the VFTA. The supply is then fed toeach channel within the group.
The T8842 ICS Triplex Field Termination Assembly may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
ICS Triplex T8842 Field Termination Assembly 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.
The supply voltage to the field is fed via a 315mA fuse. The incoming signal(0-20mA) from the field device is fed through a 50mA fuse which effectivelylimits the input signal. The voltage developed across an input 250R resistor(high precision 0.1%) is used by the input module to detect the field devicestatus.The cable linking the 40 channels on the input module to the VFTA isterminated at five 10-way connectors. The dual 24V dc power supplies areconnected to the VFTA via five 4-way connectors. Forty 3-way connectorsare used for the field loops.
- Fire and Gas (F&G) Safety Systems:Primary hazard detection & suppression actuator interface
- Safety Instrumented Systems (SIS):ESD & fault-tolerant safety in refineries/chemical plants
- Valve Position Monitoring:TMR Valve Monitor (T8449): solenoid outputs + analog inputs
- DCS Monitoring in Power Plants:High-integrity monitoring for power generation.
- Industrial Automation:Safety-critical robotics, vision & process control uptime
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.
Signal Conditioning: Features plug-in fuses and built-in resistors for easy channel configuration as either inputs or outputs.
Channel Groups: The field power supply is arranged in five groups of eight channels, with options to supply power from a controllable output for each group.
Earthing: Safety earthing is critical; sheathed braids at the chassis and remote ends allow for safety and screen earth connections to prevent interference and ensure safety.
FAQs
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What is the T8842?
+The ICS Triplex T8842 Trusted Versatile Field Termination Assembly (VFTA) is a critical interface component for the Trusted Triple Modular Redundant (TMR) system, primarily used in fire and gas hazard detection and suppression systems -
What is the main function of the T8842 VFTA?
+The T8842 acts as the interface between field devices (like smoke detectors, gas sensors) and the Trusted TMR Zone Interface Module (T8448) or the Trusted TMR Valve Monitor Module (T8449). -
Does the T8842 support line monitoring?
+Yes, the FTA provides the necessary connections and components for line monitoring (e.g., detecting open/short circuits) in field loops, supporting various device types such as voltage-free, current sourcing, and sinking. -
What other modules is the T8842 compatible with?
+While primarily used with the T8448 zone interface module, it is also designed for compatibility with the T8449 TMR valve monitor module for digital output to solenoid valves.
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32D UNITS,GUOMAO BUILDING,NO 388 HUBIN SOUTH ROAD,SIMING DISTRICT,XIAMEN