Dynisco PT460DN, Руководство по эксплуатации

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4
GENERAL
General danger to life or limb
Specific danger to life or limb
You MUST do this
The safety instructions are provided again in the individual chapters of the manual.
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A A
A A A
BBREVIA BBREVIA BBREVIA BBREVIA BBREVIATIONS TIONS TIONS TIONS TIONS
The following abbreviations are used:
OM Operating Manual
PT Pressure Transmitter
f.s. of full scale
BFSL Best Fit Straight Line
1. 1.
1. 1. 1.5
5
5 5 5
O O
O O O
VERVIEW VERVIEW VERVIEW VERVIEW VERVIEW
The Dynisco PT46xDN is a full-featured, smart digital melt pressure transmitter, combining the reliability of
this industry-standard Dynisco pressure transducer with the added flexibility of DeviceNet digital
communications. The pressure sensing technology is the same as other Dynisco products, proven in such
rugged applications such as Polymer Melt Processing applications. The rugged construction is ideal for
harsh industrial environments.
The PT46xDN is easily integrated into any digital control system with a DeviceNet scanner. Continuous
pressure data is available in real-time at a minimum digital resolution of 0.01% of full scale (14 bits).
Monitoring and configuration of the PT46xDN is accomplished via the DeviceNet network using commercially-
available DeviceNet programming software.
The PT46xDN effectively combines the features of a melt pressure transducer, power regulator, alarm
monitor, and DeviceNet digital signal conditioner into a single, cost-effective package. Wiring the PT46xDN
transmitter is simple and fast by virtue of a standard DeviceNet 5 pin Micro-connector. The PT46xDN is
powered directly by the DeviceNet bus eliminating the need for a separate power supply. Multiple DeviceNet
Pressure Transmitters can be added to a network using a single DeviceNet Master scanner, making this
approach very attractive when an application calls for multiple pressure transmitters.
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T TT
TT
RANS RANS RANS RANS RANSMIT MIT MIT MIT MITTER TER TER TER TER
P P
P P P
RINCIPLE RINCIPLE RINCIPLE RINCIPLE RINCIPLE OF OF OF OF OF
O O
O O O
PERA PERA PERA PERA PERATION TION TION TION TION
The mechanical system (filled assembly) consists of a lower diaphragm, a filled capillary tube, and an
upper diaphragm with a strain gage. The filled assembly transmits pressure from the process to the strain
gage diaphragm where it is converted to a digital signal. The filled assembly isolates the electronics from