BUSCH VacTest, Instruction Manual, Page: 2 / 24

Table of Contents
2 / 24 Instruction Manual VACTEST DCC 400_EN_en
Table of Contents
1 Safety .......................................................................................................................................3
2 Product Description ..................................................................................................................4
2.1 Interface Illustration ......................................................................................................... 4
2.2 Product Identification ....................................................................................................... 4
2.3 Delivery Content .............................................................................................................. 4
2.4 Proper Use ....................................................................................................................... 4
2.5 Improper Use ................................................................................................................... 4
3 Transport and Storage...............................................................................................................5
4 Installation................................................................................................................................5
4.1 Installation Conditions ...................................................................................................... 5
4.2 Vacuum Connection......................................................................................................... 5
4.3 Electrical Connection ........................................................................................................ 7
4.3.1 Connecting to the Active Sensor Controller ........................................................... 7
4.3.2 Connecting to the USB/RS485 Converter .............................................................. 8
4.3.3 I/O and Communication Port Schematic ............................................................... 9
4.4 Change Display Unit and Orientation (Display version only)............................................. 10
5 Operation .................................................................................................................................10
5.1 Before Operation ............................................................................................................. 10
5.2 Operating the Gauge ....................................................................................................... 11
5.3 Setpoints .......................................................................................................................... 11
5.4 Bake-out .......................................................................................................................... 12
6 Communication ........................................................................................................................12
6.1 Setting RS485 Address ..................................................................................................... 12
6.2 Commands Overview....................................................................................................... 13
6.2.1 Setpoints ............................................................................................................... 15
6.2.2 Ionization Sensor ................................................................................................... 15
6.3 VacTest Explorer Software................................................................................................ 16
7 Maintenance and Service ..........................................................................................................16
7.1 Replacing the Sensor Head ............................................................................................... 17
8 Troubleshooting .......................................................................................................................18
9 Spare Parts and Accessories......................................................................................................18
10 Technical Data ..........................................................................................................................19
10.1 Gas Correction Factor....................................................................................................... 20
11 EU Declaration of Conformity...................................................................................................21