ABB TTR200 Instrukcje Operacyjne Pobierz pdf (Strona 15)

Configuration

SM/TTX200/TTX300/SIL-EN TTH200, TTR200, TTH300, TTF300, TTF350 15

Configuration parameters affecting the safety function

All configuration parameters that are changed via the LCD display with keyboard, DTM / EDD or

HART communication when write protection is disabled affect the safety function of the device.

The parameters are described in the operating instructions. The safety function is checked in

accordance with the SIL safety instructions.

For redundancy mode with drift monitoring, the following parameters must be set in DTM, EDD

on the TTH300-.H TTF300-.H, and TTF350-.H:

Redundancy mode on the TTH300-.H, TTF300-.H, and TTF350-.H

• Pulse output Active

• Pulse time 60 s, continuous pulse

• Drift value Configured acc. to customer application

• Drift duration Maximum 120 s

Sensor type freestyle characteristic and Callendar-Van Dusen on the TTH300-.H,

TTF300-.H, and TTF350-.H

When using these two configurations, it is necessary to check at least 3 reference points to

verify the configured characteristic. For complex curves, check more reference points according

to complexity.

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ABB TTR200 Instrukcje Operacyjne Strona 15