ICS TRIPLEX T8442 module

                                  ICS TRIPLEX T8442 module 

The T8442 is a Triple Modular Redundant (TMR) Speed Monitor system that monitors the shaft speed and acceleration of rotating machinery. It provides machine protection for over-speed and over-acceleration shutdown functions. The T8442 has nine speed input channels arranged as three groups of three inputs, and separate field power inputs for each of the three speed input groups. Each T8442 has three monitoring and control groups. Each group provides the Speed Monitoring and shutdown control facilities required for one rotating machine. Up to three turbine trains can be handled by a single T8442. A single rotating machine group comprises of three separate Triple Modular Redundant (TMR) speed input channels and two separate quad redundant, fault-tolerant output drive structures. The speed input channels are designed to interface directly with a Trusted T8846 Speed Input Field Termination Assembly (SIFTA). The shutdown control outputs are designed to interface directly with three Trusted T8891 Speed Output Field Termination Assemblies (SOFTA) .

To use the T8442, the developer needs to connect the speed input channels to the T8846 and the shutdown control outputs to the T8891. The T8442 can handle up to three turbine trains, and a single rotating machine group comprises three separate TMR speed input channels and two separate quad redundant, fault-tolerant output drive structures. Both active and passive speed probes can be accommodated by the T8846. Active probes can be powered from the field cable termination. The T8442 operates as a self-contained fault-tolerant control sub-system within the Trusted System environment to minimize processing delays. The T8442 provides machine protection for over-speed and over-acceleration shutdown functions, making it an ideal solution for steam and gas turbines driving pumps, compressors, and generators .

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Main series：

Triconex 3625, 3503E, 3008, TCM 4353, 4351B, 3009,3511,3721

ICS Triplex T8310, T8431, T8461, T8451, T8110B, T8403, T3481

Allen-Bradley 1746-IB32, 1747-L533, 1756-L61, 1769-OF4, 1785-L40B,2711-T10C8, 1394-SJT05-C-RL，1394C-SJT10-A，1394C-SJT22-A

Bently Nevada 3500/94, 3500/53, 3500/22M, 3500/42M, 3500/05,3500/15,3500/33,3500/25,3500/45,3500/54

ABB 07KT97,AI835,CI854AK01,DSQC639,DO810,PM861AK01,PM902F,07KT98 REF670,REF620,REF610 PFTL101A0.5KN,5SHY35L4520,HIEE300690R0001,PP864,PP865A,5SHY3545L0009,5SHY4045L0004,REF615,PFEA112-65,5SHY4045L0004,KUC755AE105   5SHX0660F0002 

Honeywell TK-PRS021,CC-TCNT01,8C-PAIH51,51309355-001,10006/2/1,51401286-100,51305072-300,51401286-100,51401437-301,51403776-100,51404203-002,51404223-001

GE(IS200 IS220 IS697 IS230 IS420 IS421 IC697 IC695 IC698)

FOXBORO FBM233 P0926GX ，FBM230 P0926GU ，FBM232 P0926GW,FBM237 RH914XS,FBM201,FBM202,FBM204,FBM205,FBM223,FBM241,FBM203,FBM216,FBM206,FBM218,FBM208,FBM222

Woodward SPC valve position controller   505/505E(9907-162,9907-164,9907-165,9907-167)digital controller 2301A controller 9905 series  2301D-ST series

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