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Feedback sensors
a. It has built in feedback sensor.
b. Preciservo operates with adaptive dual PID loop and ensures high accuracy, lower dead band
and extremely steady performance of positioner, Primary loop is controlling the spool position
of the Preciservo and secondary loop is controlling the actual position.
c. Dual PID loops eliminate ove
rshoot, undershoot, hysteresis and “hunting”. ROTEX
POSIDAPT can maintain a steady state and set point with the highest degree of confidence.
d. Preciservo has metal to metal contact ensuring low friction and high sensitivity.
e. Precise manufacturing assures negligible hysteresis and dead band.
f.
ROTEX Preciservo valve can vary the orifice due to primary PID loop. Hence different sizes
of actuators can be calibrated without the need of flow control valves or volume booster.
g. ROTEX Preciservo has built in self health check, ensures best performance and reliability
during calibration and testing.
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Communication
a. ROTEX POSIDAPT is compatible with Foundation fieldbus, Profibus and HART version 5 &
7.
b. It is also compatible with DTM framework version 1.2.1
c. DTM and EDD based on multi-system support configuration.
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Remote mounting
a. Remote mounting is possible with a non-contact feedback.
b. It is ideal for extreme environments and harsh conditions
– high temperature, vibration,
frequency or difficult to reach locations.
c. Remote mounting cables with lengths of 3m, 5m, 7m and 10m available as standard. Special
version up to 30m is available on request.
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Diagnostics
a. Self diagnostics available with errors and recommendations.
b. Alarm based on different threshold.
c. On screen notification up to last 3 alarms or errors.
d. It can record data history for 25 years based on averaging method.
e. Monitoring parameters can be configured with three different threshold levels.
f.
Each threshold level can be classified based on severity and generates a digital feedback
signal, once triggered.
g. Colour code represents nature of severity (can be communicated on HART to control system)
this enables users to take necessary preventive action.
Summary of Contents for Posidapt Expert
Page 7: ...RTX IOM PRODUCT YY Page 7 of 131 www rotexautomation com 1 2 Posidapt Series...
Page 17: ...RTX IOM PRODUCT YY Page 17 of 131 www rotexautomation com 4 Bock Diagram...
Page 18: ...RTX IOM PRODUCT YY Page 18 of 131 www rotexautomation com 5 Dimensional Drawing...
Page 44: ...RTX IOM PRODUCT YY Page 44 of 131 www rotexautomation com 7 Electrical Connection...
Page 46: ...RTX IOM PRODUCT YY Page 46 of 131 www rotexautomation com...
Page 79: ...RTX IOM PRODUCT YY Page 79 of 131 www rotexautomation com...
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