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Related Manuals for DH Instruments MFC SWITCHBOX
Summary of Contents for DH Instruments MFC SWITCHBOX
- Page 1 MFC Switchbox™ User’s Manual © 1997-2008 DH Instruments, a Fluke Company...
- Page 2 Products described in this manual are manufactured under international patents and one or more of the following U.S. patents: 5,142,483, 5,257,640, 5,331,838, 5,445,035. Other U.S. and international patents pending. DH Instruments, DH, DHI, MFC-CB, MFC Switchbox, molbloc and molbox1 are trademarks, registered and otherwise, of DH Instruments, a Fluke Company Document No.
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Page 3: Table Of Contents
1.4.2.4 MFC SWITCHBOX CONTROL (DIGITAL CONTROL FROM MOLBOX OR MFC-CB) ......4 I N S T A L L A T I O N ..............5 UNPACKING AND INSPECTION ......................5... - Page 4 W A R R A N T Y S T A T E M E N T ..........1 7 © 1997-2008 DH Instruments, a Fluke Company...
- Page 5 TABLES AND FIGURES Table 1. Troubleshooting Checklist ......................13 Table 2. DHI Authorized Service Providers ....................17 Figure 1. Front Panel ........................... 2 Figure 2. Rear Panel ............................ 2 Page III © 1997-2008 DH Instruments, a Fluke Company...
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Page 6: A B O U T T H I S M A N U Al
(NOTE) is used throughout the manual to identify operating and applications advice and additional explanations. [ ] indicates direct function keys (e.g., [RANGE]). < > indicates PG7000 screen displays (e.g., <1yes>). © 1997-2008 DH Instruments, a Fluke Company Page IV... -
Page 7: I N T R O D U C T I On
The MFC Switchbox™ can be used to connect a molbox1™ MFC control option or an MFC-CB™ control channel to up to five MFCs, or to one MFC and four MFMs. The rear panel of the MFC Switchbox connects to the molbox1 or MFC-CB via a circular 5-pin connector and a 25-pin DSUB connector. -
Page 8: Location Of The Components
1.3.1 POWER SUPPLY Powers the electronics inside the MFC Switchbox and provides continuous power to up to five connected DUTs. The switching power supply provides +5 volts at 0.5 amps and +15 volts at 4 amps. This 15 volt signal is converted via a DC-to-DC converter to -15 volts at 1.3 amps (leaving approximately 2 amps for the +15 volt signal). -
Page 9: Front Panel Assembly
1.4.2 MFC CONTROL FUNCTION SPECIFICATIONS The MFC Switchbox works with any MFC that can be used with the molbox1 or MFC-CB. The switchbox provides the MFCs with continuous power, but the molbox1 or MFC-CB still provides all the control and measurement. For detailed specifications regarding MFC control please refer to specifications section of the molbox1 or MFC-CB Operation and Maintenance Manual. -
Page 10: Mfc / Mfm Port 2 - 5 (Device 2 - Device 5)
MFC SWITCHBOX CONTROL (DIGITAL CONTROL FROM MOLBOX OR MFC-CB) Connector One 5 Pin Female Socket (Back Panel) Signals Clock for Shift Register Load Latch for Shift Register Data Line for Shift Register Ground © 1997-2008 DH Instruments, a Fluke Company Page 4... -
Page 11: I N S T A L L A T I On
Use the 25-pin male DSUB to 25-pin male DSUB cable to connect the molbox MFC port on the MFC Switchbox to the MFC port on the molbox1. If using the MFC Switchbox with an MFC-CB, connect to the desired MFC-CB channel (Device1 or Device2). - Page 12 MFC SWITCHBOX USER’S MANUAL © 1997-2008 DH Instruments, a Fluke Company Page 6...
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Page 13: O P E R A T I On
3. OPERATION OVERVIEW The MFC Switchbox in and of itself does not require any special setup or configuration. It just needs to be connected to the molbox1 or MFC-CB and DUTs as described above, plugged in and powered on by actuating the power switch on the MFC Switchbox rear panel. -
Page 14: Mfc Profiles
The UNIT function selects the molbox1 flow measurement unit. UNITS OF MEASURE When using the MFC Switchbox with molbox1 When the MFC function is active, the molbox1 flow units of measure will always be the units of measure specified in the active MFC profile. -
Page 15: R E M O T E O P E R A T I On
MFM’s that are connected to channels 2..5 with an MFC controlling on channel 1. Remarks The MFC control output can be volts or current. An MFC Switchbox can be connected to the output to switch between multiple devices. Command: “MFCCH=1, mA”... - Page 16 MFC SWITCHBOX USER’S MANUAL © 1997-2008 DH Instruments, a Fluke Company Page 10...
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Page 17: Overview
5. MAINTENANCE AND ADJUSTMENTS OVERVIEW There are no user maintainable parts or systems in the MFC Switchbox. Page 11 © 1997-2008 DH Instruments, a Fluke Company... - Page 18 MFC SWITCHBOX USER’S MANUAL © 1997-2008 DH Instruments, a Fluke Company Page 12...
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Page 19: T R O U B L E S H O O T I N
MFC Switchbox connected to the molbox1. is used. doesn't appear The MFC Switchbox power is not on. Power on the MFC Switchbox. responding when the MFC Switchbox is used. MFC connected to molbox1 doesn't MFC option not implemented. - Page 20 MFC SWITCHBOX USER’S MANUAL © 1997-2008 DH Instruments, a Fluke Company Page 14...
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Page 21: M E N U T R E
The following is the portion of the molbox1 or MFC-CB internal menu that pertains to use of the MFC Switchbox. MOLBOX1 OR MFC-CB MFC FUNCTION KEY MOLBOX1 OR MFC-CB SETUP MENU Page 15 © 1997-2008 DH Instruments, a Fluke Company... - Page 22 MFC SWITCHBOX USER’S MANUAL © 1997-2008 DH Instruments, a Fluke Company Page 16...
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Page 23: W A R R A N T Y S T A T E M E N
8. WARRANTY STATEMENT Except to the extent limited or otherwise provided herein, DH Instruments, a Fluke Company (DHI) warrants for one year from purchase, each new product sold by it or one of its authorized distributors, only against defects in workmanship and/or materials under normal service and use. Products which have been changed or altered in any manner from their original design, or which are improperly or defectively installed, serviced or used are not covered by this warranty. - Page 24 MFC SWITCHBOX USER’S MANUAL © 1997-2008 DH Instruments, a Fluke Company Page 18...
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