Siemens SITRANS F Series, Руководство по эксплуатации, Страница: 26 / 362

Description
3.2 Features
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
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Operating Instructions, 08/2017, A5E37367739-AC
● Full graphical local display
● SensorFlash (SD card) for memory backup and documentation storage (certificates etc.)
● USB service interface
● Up to five input/output channels:
–
Channel 2: Signal output; can be parameterized for:
Current output (0/4-20 mA)
Pulse output
Frequency output
Alarm, status
– Channels 3 and 4: Signal output
Current output (0/4-20 mA)
Pulse output
Frequency output
Alarm, status
Pulse or frequency redundancy mode (only channel 3)
– Channels 3 and 4: Relay output
Alarm, status
– Channels 3 and 4: Signal input; can be parameterized as:
Current input (4-20 mA)
Totalizer control (resetting of totalizers)
Zero adjustment
Freezing of process values
Forcing of outputs
– Channels 5 and 6:
Temperature input (RTD)
● Current, frequency, and pulse outputs with configurable fail safe mode
● High immunity against process noise
● Fast response to step changes in flow
● High update rate (100 Hz) on process values