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STI S.r.l.
– Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com
Manual 4049, rev. 00 05/2017
– FTC
- 3 -
2 DEVICE DESCRIPTION
The FasTrak Compact smart positioner is a digital-pneumatic valve controller:
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excellent dynamic performance;
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high precision;
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configuration and calibration through HART, serial cable handheld device, local display and push
buttons;
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self calibration;
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compatible with double and single acting actuators, with/without spring, piston or diaphragm;
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auto tuning on control stroking time applications from 0.5 sec to 100 sec;
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control and PID parameter independently adjustable for open and close;
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stroking time user independently adjustable to open and to close;
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travel limit position independently user adjustable to open and to close up to 50% of stroke;
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tight shut off position to open and to close independently adjustable;
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pressure shut off to open and to close independently adjustable;
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travel characterization linear user adjustable 16 point;
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visualization of selected characterization curve with limit and shut off by Remote Control;
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analog output 4-20mA position;
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power/signal safety fail position mechanically configured (not software adjustable).
Figure 1
– FasTrak Compact smart positioner