ICS Trusted TMR Speed Monitor T8442 
Description:
Each T8442 Speed Monitor Module hot swap pair requires a single T8846 SIFTA when installed in a Trusted system.
Three rotating machine groups.
Three Triple Module Redundant (TMR) speed inputs per rotating machine group.
Active or passive probe speed inputs.
Two quad redundant, fault tolerant, volt-free shutdown control output structures per rotating machine group.
2500 V impulse withstand opto/galvanic isolation barrier.
Galvanic isolation between field Inputs/Outputs.
On-board Sequence of Events (SOE) reporting with 1 ms resolution.
Hot standby module configurations using companion slot.
Hardware Implemented Fault Tolerance (HIFT).
Front panel status LEDs indicate module health, operating mode and rotating machine group Input/Output status. Comprehensive automatic diagnostics and self-test.
TϋV Certified IEC 61508 SIL 3.
BENEFITS:
Lead time: 1-2 working days.
Terms of payment:Paypal, T/T and Western Union.
Courier partners: DHL, UPS, TNT, FedEx and EMS.
Technical specification, manuals and data sheets
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ICS trusted T8442  Speed Monitor Module