DH Instruments MFC SWITCHBOX, User Manual

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2. INSTALLATION
Page 5 © 1997-2008 DH Instruments, a Fluke Company
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2.1 UNPACKING AND INSPECTION
The MFC Switchbox is delivered in a corrugated box with foam end caps positioning it.
It is enclosed in a heavy plastic bag. The accessories are in a separate plastic bag
in the corrugated box. Remove the MFC Switchbox and accessories from the box.
Retain the box and end caps for reuse. Remove the MFC Switchbox from its plastic bag.
The MFC Switchbox is delivered with caps over the communications ports.
Check that all accessories are present. Accessories include:
•
User's Manual
•
Power Cord
•
MFC Switchbox control cable
•
molbox1/MFC-CB to MFC Switchbox MFC signal cable
2.2 SITE REQUIREMENTS
The MFC Switchbox can be placed on any flat, stable surface at a convenient height. It may
be placed on top of or behind the molbox1 or MFC-CB without any risk of signal degradation.
2.3 INITIAL SETUP
2.3.1 POWER CONNECTION
Connect the MFC Switchbox to a power source using the power cable supplied. Power
requirements are 85 to 264 VAC, 47 to 440 Hz, 55 VA maximum consumption.
2.3.2 CONNECTING THE MFC SWITCHBOX TO A MOLBOX1
Connect the MFC Switchbox to a molbox1 or MFC-CB using the two cables provided in the
accessory kit with this manual. 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). Use the 5-pin male circular to 5-pin male circular cable to connect the
SWITCHBOX CONTROL port on the MFC Switchbox to the MFC SWITCHBOX port on the
molbox1 or MFC-CB.
2.3.3 CONNECTING THE MFC SWITCHBOX TO THE DEVICE
TO BE CALIBRATED
Connect the MFC Switchbox to up to five DUTs using the appropriate MFC or MFM cables
for the associated DUTs.
The MFC connected to Device 1 is used as the controller in MFM tests. Also Device 1 must be
used for current based MFCs or when using the valve test point signal on an MFC.