Copyright 2011 Baker Hughes Company.
English–DPS 8000 Instruction Manual | 15
(PV) units. To change the relation between FV and PV, use the scale-factor objects and the zero
offset. This allows the reading of the pressure output in one of the alternative pressure units.
Example:
Set object 0x6123
01 to 100 (the scale-factor for pascal).
Figure
9: Scale of Pressure and Temperature Output
For a list of values of the alternative pressure units, refer to Appendix
To change the scale data for temperature use the information above but with sub-index
02
replacing 01.
4.8.2 0x6131
01 – The Units for the Pressure Output
Use object 0x6131
01 (Pressure Value) to change the units for the pressure output.
Example:
Set Sub-index 0x01 to 0x00220000 = CANopen value for pascal.
For a list of values of the alternative pressure units, refer to Appendix
4.8.3 0x6148 – The Local Limits (Minimum Pressure and Temperature)
Use object 0x6148 (Span Start – FP) to set the local limits for the pressure transducer operation.
Set the applicable minimum values for the pressure and temperature. Refer to “0x2007 – The
Count: Pressure is Less than the Limit” on page
16 and “0x2009 – The Count: Temperature is
4.8.4 0x6149 – The Local Limits (Maximum Pressure and Temperature)
Use object 0x6149 (Span End – FP) to set the local limits for the pressure transducer operation.
Set the applicable maximum values for the pressure and temperature. Refer to “0x2006 – The
Count: Pressure is More than the Limit” on page
16 and “0x2008 – The Count: Temperature is
•
Sub-index
01 sets the pressure.
•
Sub-index
02 sets the temperature limit.
4.9 To Monitor the Operation – Objects: 0x1000
–
0x1FFFF
4.9.1 0x1001 – The Status of the Unit
Use object 0x1001 (Error Register) to monitor the current status of the unit. Also see “0x6150 –
The Pressure and Temperature Status” on page
17.
Object 0x6100 01
Pressure Value
Field Value X
(mbar)
PV
Y
0
Object 0x6130 01
Pressure Value
Process Value Y
(pascal)
X
FV
Содержание Druck DPS 8000 Series
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