LTQ Orbitrap XL Hardware Manual

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Functional Description Printed Circuit Boards Figure 1-38. High Voltage Power Supply board (cover removed) focusing potentials for the curved linear trap. See topic “Orbitrap Analyzer” on page 1-13 for further information. The board communicates via the SPI bus. Warning The high voltage power supply board creates voltages up to 3.5 kV! ▲ The diagnostic LEDs listed in Table 1-18 on page 1-55 show the operating states of the board. The position of the LEDs on the board is indicated by the white rectangles in Figure 1-38. 1-54 LTQ Orbitrap XL Hardware Manual Thermo Fisher Scientific
SPI Bus Termination Board Table 1-18. Diagnostic LEDs of the High Voltage Power Supply board No. Name Color Description Normal Operating Condition LD1 NO TERM Red SPI bus termination board missing LD2 SEND Yellow Interface has been addressed and sends/receives data Off Flashing on SPI bus data transfer LD3 SEL Green Board has been addressed Flashing on SPI bus data transfer LD4 HV ON Green High voltage is switched on On Functional Description Printed Circuit Boards LD5 POLARITY Green Positive/negative ion mode Off (positive mode) Various boards communicate via the SPI bus, a serial RS485-based bus system. The SPI bus termination board reduces unwanted signal reflections. The boards indicate a missing termination (after maintenance, for example) by LEDs. The SPI bus termination board (P/N 208 1480) is located at the bottom left side of the instrument, below the high voltage power supply board. See Figure 1-39. SPI bus termination board Figure 1-39. High Voltage Power Supply board with SPI Bus Termination board Thermo Fisher Scientific LTQ Orbitrap XL Hardware Manual 1-55
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For Research Use Only Not for use i
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Place Declaration of Conformity her
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Conformité DEEE Ce produit doit ê
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Read This First Related Documentati
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Read This First Typographical Conve
Page 12 and 13:
Read This First Safety and EMC Info
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Read This First Safety and EMC Info
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Contents Chapter 1 Functional Descr
Page 19 and 20:
Figures LTQ Orbitrap XL front view
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Tables System status LEDs of the Pr
Page 24 and 25:
Functional Description General Desc
Page 26 and 27: Functional Description General Desc
Page 28 and 29: Functional Description Control Elem
Page 34 and 35: Functional Description Linear Ion T
Page 36 and 37: Functional Description Orbitrap Ana
Page 42 and 43: Functional Description Vacuum Syste
Page 48 and 49: Functional Description Gas Supply I
Page 50 and 51: Functional Description Cooling Wate
Page 52 and 53: Functional Description Printed Circ
Page 79 and 80: Chapter 2 Basic System Operations M
Page 81 and 82: Basic System Operations Shutting Do
Page 83 and 84: Shutting Down the System Basic Syst
Page 85 and 86: Starting Up the System after a Shut
Page 87 and 88: Basic System Operations Starting Up
Page 89: Basic System Operations Resetting t
Page 92 and 93: User Maintenance General Remarks Ge
Page 94 and 95: User Maintenance Baking Out the Sys
Page 96 and 97: User Maintenance Maintaining the Va
Page 99 and 100: Chapter 4 Replaceable Parts This ch
Page 101 and 102: Parts Orbitrap Analyzer Parts Pumpi
Page 103 and 104: Parts Gas and Water Supply Replacea
Page 105 and 106: Electronic Parts Electronics - Righ
Page 107: Electronics Main Supply Table 4-18.
Page 110 and 111: Glossary: collision-induced dissoci
Page 112 and 113: Glossary: IEEE IEEE Institute of El
Page 114 and 115: Glossary: P/N P/N part number p-p p
Page 116 and 117: Glossary: V dc V dc volts direct cu
Page 118 and 119: Index: D control unit, for turbopum
Page 120 and 121: Index: O O pressure 1-26 pressure r
Page 122: Index: W quality 1-40 safety thresh
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