Copyright 2011 Baker Hughes Company.
2 | DPS 8000 Instruction Manual–English
•
Read and set the last and next calibration date.
•
Set new calibration values.
•
Set local pressure and temperature limits for use with the internal out-of-limit counters.
•
Monitor the number of times the pressure is not in the specified limits.
•
Monitor the number of times the temperature is not in the specified limits.
•
Restore all the factory default values for the CANopen Object Dictionary.
Use a standard CANopen software package to access the contents of the CANopen Object
Dictionary.
2.1.3 Summary of the CANopen Set of Functions
2.2 Technical Specifications
The sensor has a model number of the form 'DPS 8##C
-
T#
-
A#
-
C#
-
##
-
##'.
Refer to the appropriate 8000, 8100, 8200 or 8300 data sheet for technical specifications and
explanation of the sensor's model number.
Model numbers appended with a four or eight-digit alphanumeric string denote the use of a
customer-specific specification drawing indicating the use of additions or deviations to the data
sheet specification. Refer to the specification drawing if applicable.
2.3 Design and Principle of Operation
The sensor consists of a pressure connector, pressure measuring module, a partially
encapsulated electronics module, and electrical connection facilities, structurally combined in a
cylindrical metal housing.
The pressure connector allows the sensor to be mounted to a pressurized vessel or pipework.
The pressure measuring module consists of a welded metal construction, featuring a metal
diaphragm
*
(providing a flexible barrier to harsh process media), a glass-to-metal seal (for
Table
1: CANopen Functions
Function
Comment
NMT
Slave
Error Control
Node Guarding or Heartbeat.
Node ID
LSS (DSP-305 V1.0)
Number of PDO
1 transmit PDO, no receive PDOs.
PDO Modes
Event triggered or Remotely requested.
PDO Linking
Yes
PDO Mapping
Default
Emergency Message
Yes
CANopen Version
DS-301 V4.01
Framework
No
Certified
No
Device Profile
DSP-404 V1.0
Maximum Baud Rate
1
Mbit/s
*
80XX, 82XX and 83XX models only. 81XX models provide no harsh process media isolation.
Содержание Druck DPS 8000 Series
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