2-4
Section 2 Installation
Installation and Operation Manual
X-PR-SLA7800-PC-eng
Part Number: 541B047AAG
December, 2008
Model SLA7800 & SLA7820
2-9 In-Line Filter
It is recommended that an in-line filter, such as the Brooks Model 5848, be
installed upstream from the controller to prevent the possibility of any
foreign material entering the meter. The filter porosity should be
approximately ten times smaller than the orifice used in the installation,
however, it is recommended that the minimum porosity that does not
restrict the flow rate being used. The filtering element should be
periodically replaced or cleaned.
2-10 Electrical Interface
Note: The Setpoint Return is internally connected to Signal Return and Supply Voltage
Common.
Signal:
D-conn
Setpoint/Command Common
1
Pressure Signal Out
2
15V Power Supply
5
15V(unused)
6
Setpoint/Command Input
8
Power Supply Common
9
Output Signal Common
10
+5V Reference
11
Valve Override
12
Application Select Pin
13
No Connections
3, 4, 7,14,15
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