Manual
tira40e1 (2005-04) BCG450SDv1.cp 3
Contents
Intended Use of this Document 2
DeviceNet Interface 2
Abbreviations 2
Trademarks 2
1 Start-Up of the Slave 4
1.1 Power Supply Requirements 4
1.2 Front View of the BCG450-SD 4
1.3 Connectors on the Device 5
1.4 Side View of the BCG450-SD 6
1.5 Indicators and Switches 6
1.5.1 Module Status LED 6
1.5.2 Network Status LED 7
1.5.3 Node Address Switch 7
1.5.4 Data Rate Switch 7
1.5.5 Setpoint 7
2 Object Structure 8
2.1 Connection Object 8
2.1.1 Vendor-Specific Object Extension on Instance 2 Poll Connection 8
2.2 Identity Object 9
2.2.1 Class Attributes 9
2.2.2 Instance Attributes 9
2.3 S-Device Supervisor Object 9
2.3.1 Class Attributes 9
2.3.2 Instance Attributes 10
2.3.2.1 Semantics 11
2.3.3 S-Device Supervisor Object States 15
2.3.4 S-Device Supervisor Common Services 15
2.3.5 S-Device Supervisor Object Specific Services 16
2.4 S-Analog Sensor Object 16
2.4.1 Class Attributes 16
2.4.2 Instance Attributes 17
2.4.2.1 Instance Attributes of Instance 1 / Pirani Instance 17
2.4.2.2 Semantics of S-Analog Sensor Instance 1 18
2.4.2.3 Instance Attributes of Instance 2 / Hot Cathode Ion Gauge 20
2.4.2.4 Semantics of S-Analog Sensor Instance 2 21
2.4.2.5 Instance Attributes of Instance 3 / Capacitance Diaphragm Gauge 23
2.4.2.6 Semantics of S-Analog Sensor Instance 3 24
2.4.2.7 Object-Specific Services on Instance 3 /
Capacitance Diaphragm Gauge 25
2.4.2.8 Instance Attributes of Instance 21 / Setpoint A
(Instance 22 / Setpoint B) 26
2.4.3 Common Services 29
2.4.4 Object-Specific Services on Instance 2 / Hot Cathode Ion Gauge 29
2.4.4.1 SET DEGAS STATE 29
2.4.4.2 SET EMISSION STATE 29
2.4.4.3 Emission Control Mode 30
2.4.5 Behavior 30
3 I/O Assembly Object 31
3.1 I/O Assembly Instances 31
3.2 I/O Assembly Object Instance Data Attribute Format 32
Appendix 33
A: Range of Values 33
B: Specific Codes 33
C: Conversion of a Floating Number According to IEEE 754 33
D: Typical Start-Up Procedure 34
E: Literature 37
For cross-references within this document, the symbol (→ XY) is used, for cross-
references to further documents listed under literature, the symbol (→ [Z]).