ICS Triplex T8821 Digital Input Module

ICS Triplex T8821 Digital Input Module Brand New

Description

The Trusted 40 Channel 120 Vdc Digital Input FTA T8821 provides termination for amaximum of 40 input channels from various types of field devices which generate a digitalinput. The supply for the field is derived from dual 120 Vdc feeds which are ‘commoned’ via diodeson the FTA. Indication of the presence of the power supply is provided by a green LED. Thesupply is then fed to each channel.The supply voltage to the field is fed via the 50 mA fuse. This effectively limits the current inthe field loop. The incoming signal (digital) from the field device is fed directly to the digitalinput module. Line monitoring components (if required) provide the necessary thresholdsused by the input module to detect the field loop/device status, i.e. open/short circuit,alarm etc.The cable linking the 40 channels on the input module to the FTA is terminated at the96-way socket SK1. SmartSlot (Version 1) signals from the module are connected to SK1. TheSmartSlot connector is SK2 and is also a 96-way socket. This connector is not used whereSmartSlot Version 2 is employed within the Trusted System. The dual dc field power suppliesare connected to the FTA via a 5-way terminal block PWR TB. The input signals from thefield (40-off) are connected by 2-wire arrangements terminated on 12-off 3-way terminalblocks and 2-off 2-way.Trusted 40 Channel 120 Vdc Digital Input FTA T8821 is designed to be mounted on either ofthe TS32 or TS35 DIN rails in the horizontal or vertical positions as required.

Advantage Products

①Allen-Bradley(USA AB)Series

②Schneider(Schneider Electric)Series

③General electric(General Electric)Series

④Westinghouse Series

⑤SIEMENS Series

⑥ABB Robots. FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、Panasonic Robots、MOTOMAN Robots.

⑦Westinghouse: OVATION System、WDPF System、MAX1000 system spare parts.

Conversion、I/O Signal processing、Data communication systems?Digital-to-Analogue

⑧Invensys Foxboro I/A Series system，FBM（I/O）SCS、Trapezoidal logic control、Accident recalling、DAC

Invensys Triconex: Redundant fault-tolerant control system、Most modern fault-tolerant controller based on Triple Modular Redundancy (TMR) architecture.

⑨Siemens：Siemens MOORE，?Siemens Simatic C1，Siemens CNC system.

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