Appendix a: definitions – INFICON BPG402-SP ATM to Ultra-High Vacuum Gauge (Profibus) User Manual
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tira47e1 (2005-08) BPG402SPv1.cp
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Appendix A: Definitions
Abbreviation
Range
Data type
INT8
-2
7
… (2
7
- 1)
Integer 1 byte
INT16
-2
15
… (2
15
- 1)
Integer 2 byte
INT32
-2
31
… (2
31
- 1)
Integer 4 byte
UINT8
0 … (2
8
- 1)
Unsigned integer 1 byte
UINT16
0 … (2
16
- 1)
Unsigned integer 2 byte
UINT32
0 … (2
32
- 1)
Unsigned integer 4 byte
FLOAT
±3.402×10
38
Floating Point, IEEE 754 Short Real Number,
4 byte
VSTRING(n)
ISO 646 and ISO 2375
OSTRING(n)
Octet string
Term
Meaning
Store
This parameter defines whether the values are stored in non-
volatile memory (
→ store characteristics)
Default
Manufacturer-defined value
Abbreviation
Meaning
V
"Volatile": Value is not saved to the RAM or EEPROM and is lost
in the event of a power failure
N
"Nonvolatile": Value is saved to the RAM or EEPROM and is not
lost in the event of a power failure
Abbreviation
Meaning
1_R/W
Acyclically readable and writeable by a Master Class 1
2_R/W
Acyclically readable and writeable by a Master Class 2
1/2_R/W
Acyclically readable and writeable by a Master Class 1 and 2
1_R
Acyclically readable by a master Class 1
2_R
Acyclically readable by a master Class 2
1/2_R
Acyclically readable by a master Class 1 and 2
1_W
Acyclically writeable by a master Class 1
2_W
Acyclically writeable by a master Class 2
1/2_W
Acyclically writeable by a master Class 1 and 2
0_XI
Cyclic output data with master Class 1
Data types
Definitions
Store characteristics
Data access