Emerson Automation Solutions
Foundation Field Device
The Rosemount 644 is a DIN A temperature transmitter that fits in a
variety of housings allowing both local and remote temperature
measurement. Optional LCD, transmitter-sensor matching, and 2-year
stability provide an accurate, reliable temperature measurement.
Fieldbus function blocks include: 1 Analog Input blocks and 1 PID block
(provides single loop, cascade, or feedforward control in the field). The
Rosemount 644 can also act as a Backup Link Active Scheduler (LAS).
Fieldbus Intrinsically Safe Concept (FISCO) certification allows more
devices per I.S. segment.
Manufacturer ID (hex):
Device Type ID (hex):
Physical Layer Profile:
111 - Standard-power signaling, bus-powered, Entity Model I.S.
113 - Standard-power signaling, bus-powered, non I.S.
Emerson Process Performance Tech (PTD)
Registered Function Blocks:
1xAI(e), 1xPID(e), 1xRB(e)
Alarms and Events
Function Block Linking
DD/CFF Tester Version: