Related Manuals for BUSCH VACTEST
Summary of Contents for BUSCH VACTEST
- Page 1 Instruction Manual VACTEST Vacuum Measurement Equipment Digital Transmitter DCC 400 0870212178/-_en / Original instructions / Modifications reserved 16/09/2021...
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Page 2: Table Of Contents
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... -
Page 3: Safety
... indicates a potentially dangerous situation that could result in minor injuries. NOTICE ... indicates a potentially dangerous situation that could result in damage to property. NOTE ... indicates helpful tips and recommendations, as well as information for efficient and trouble-free operation. Instruction Manual VACTEST DCC 400_EN_en 3 / 24... -
Page 4: Product Description
– Connection to units which have exposed voltage-carrying parts. – Operation of the devices in areas with ionizing radiation. No liability or warranty will be accepted for claims arising from improper use. 4 / 24 Instruction Manual VACTEST DCC 400_EN_en... -
Page 5: Transport And Storage
Unintended opening of clamp with an overpressure in the vacuum system over 1000 mbar. Risk to injury! Damage to your health! • Parts may fly around. • Unsecured hose connections can release process media. Instruction Manual VACTEST DCC 400_EN_en 5 / 24... - Page 6 • Make sure that the sensor flange is connected to the ground. Mounting position: The installation position can be freely selected. The preferred position is a horizontal to vertical position so that condensate and particles do not penetrate the measurement chamber. 6 / 24 Instruction Manual VACTEST DCC 400_EN_en...
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Page 7: Electrical Connection
[► 12]. • Connect the D-Sub connector to the gauge and secure it with the screws. • Connect the controller and secure the D-Sub connector with the screws. • Switch on the controller. Instruction Manual VACTEST DCC 400_EN_en 7 / 24... -
Page 8: Connecting To The Usb/Rs485 Converter
[► 12]. • Connect the gauge to the power supply cable. • Connect the USB/RS485 converter and secure the D-Sub connector with the screws. • Connect the power supply cable to the mains. 8 / 24 Instruction Manual VACTEST DCC 400_EN_en... -
Page 9: I/O And Communication Port Schematic
We recommend to have "Ground" (Pin 12) and supply common (Pin 5) grounded. NOTICE Incorrect supply voltage. Risk of damage to the device! • Make sure to supply a correct and admissible voltage. Instruction Manual VACTEST DCC 400_EN_en 9 / 24... -
Page 10: Change Display Unit And Orientation (Display Version Only)
• Hold the "Adj" pushbuton pressed while connecting power supply until the display shows "Unit". • Select the desired unit by pressing the "Adj" pushbuton. Display unit and orientation can be changed via VacTest explorer or by software com- mand, see chapter Commands Overview [► 13]. Operation... -
Page 11: Operating The Gauge
Operation error or malfunction the display is illuminated by a red background color. 5.3 Setpoints The gauge features 2 independent, potential-free relay contacts that can be configured via RS485 and VacTest explorer. The 2 relays are controlled by the two setpoints SP1 and SP2. Switch off... -
Page 12: Bake-Out
Communication NOTE The Busch communication protocol is available separately on request. Ask your Busch representative to get the document. 6.1 Setting RS485 Address The transmitter is equipped with a serial RS485 interface. -
Page 13: Commands Overview
Adjustment of the Pirani sensor at zero pressure. See chapter Readjustment for more information. Valid only for transmitters with LCD display. Not available when cathode is switched off. Instruction Manual VACTEST DCC 400_EN_en 13 / 24... - Page 14 Display and set the gas correction factor for the hot cathode sensor. Display and set the gas correction factor for the cold cathode sensor. Scale the analog output characteristic of the gauge: consult the Busch com- munication protocol. 14 / 24...
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Page 15: Setpoints
Cathode Control Mode (CM): The cold cathode sensor can be switched on either manually or automatically. The corresponding device parameter “Cathode Control Mode” (CM) can be set by soft- ware command via RS485 interface: Instruction Manual VACTEST DCC 400_EN_en 15 / 24... -
Page 16: Vactest Explorer Software
VacTest explorer software has been especially developed for use with Busch vacuum gauges and is available for Windows and Android operating systems. VacTest explorer features plotting and saving of measurement data as well as a comfort- able way of configuring all device parameters. -
Page 17: Replacing The Sensor Head
Assembly: • Assemble carefully the housing and the sensor head (pay attention to pins and seal positions). • Screw the small hex head screws with their respective seal. • Install the gauge. Instruction Manual VACTEST DCC 400_EN_en 17 / 24... -
Page 18: Troubleshooting
Software VacTest explorer - Pro version (1 license) 0870 203 191 This is only part of the available accessories, check on Busch's website or contact your Busch represen- tative for more information. 18 / 24 Instruction Manual VACTEST DCC 400_EN_en... -
Page 19: Technical Data
Relative Humidity: max. 80% up to 30°C, max. 50% at 40°C, not condensing Ambient pressure: hPa (mbar) 860 … 1060 Protection Class IP 40 (IP 54 with appropriate D-Sub connector) Weight Instruction Manual VACTEST DCC 400_EN_en 19 / 24... -
Page 20: Gas Correction Factor
Value range ► 0.20 … 8.0 Correction factor for cold cathode sensor: Ar ► 0.80 ► 2.4 ► 1.0 Kr ► 0.6 ► 0.74 He ► 5.9 Ne ► 3.5 Xe ► 0.41 20 / 24 Instruction Manual VACTEST DCC 400_EN_en... -
Page 21: Eu Declaration Of Conformity
11 EU Declaration of Conformity This Declaration of Conformity and the CE-mark affixed to the nameplate are valid for the gauge within the Busch scope of delivery. This Declaration of Conformity is issued under the sole responsibility of the manufacturer. - Page 22 Note...
- Page 23 Note...
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