8.2 Connections to a Power Supply
If you are using a power supply other than one from Celerity, check the pin assignments,
making sure they match those in Appendice 16.1, depending on connector type.
Celerity power supplies use a cable that has a 20 pin female header type connector at one
end and a 20 pin card edge (MFC) type at the other.
- The connectors are keyed at both ends.
- When making the connection, be sure to apply pressure directly down on the edge
connector.
NOTE: Do not rock the connector back and forth; this could cause damage to the electronic
circuits.
8.3 Warm Up
Once the power supply is securely connected to the MFC/MFM, please allow at least 60
minutes for the unit to stabilize.
9. MULTIFLO VIRTUAL INTERFACE
9.1 Features
To fully take advantage of all the outstanding operational features of Celerity’s digital mass
flow controllers, a Multiflo Virtual Interface User Kit is required. This will allow access to the
mass flow controllers through a conventional personal computer.
With it you can issue commands to, and access information from, up to 32 MFCs.
(See the MultiFlo Virtual Interface Operational Manual for details)
- Refer to Multiflo Virtual Interface User Manual to perform the following.
- Monitor Setpoint, Flow
, and Valve Voltage
- Turn the Flow Off and On
- Ar
chive and analyze collected data fr
om these units.
- Make comparisons among units.
- Change the gas that the unit is configured for.
- T
r
oubleshoot quickly
.
- Correct for a calibration inaccuracy.
NOTE: The Digital MultiFlo MFC doesn’t need to be warmed up to be programmed for gas
and range.
9.2
Confi
gur
e the DMFC for Networking
1. Power the MFC (see Section 8).
2. Star
ting fr
om left to right confi
gur
e each DMFC for a MacID addr
ess.
- The MacID address must be between 32 and 96, inclusive.
3. Using RJ-11 connectors, daisy chain up to 32 DMFC’
s.
7
©2005 Celerity
, Inc.
#199-001-0006 REV
.F 4/05
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
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