Brooks, Model 5850i – Brooks Instrument 5850i User Manual
Page 17
2-7
Brooks
®
Model 5850i
Section 2 Installation
Installation and Operation Manual
X-TMF-5850i-MFC-eng
Part Number: 541B108AAG
December, 2008
Chassis Ground
Connect earth ground to pin 14 of the D-connector.
Valve Override (connection optional)
The valve override function allows full opening and closing of the valve
independent of the setpoint:
To open the valve, apply +15 to +28 Vdc to pin 12
To close the valve, connect pin 12 to ground.
Isolating pin 12 (no connection) returns the
controller to normal operation.
NOTE: For normal operation, pin 12 must be left open (floating).
Figure 2-5 Recommended I/O Wiring Configuration for Current Signals (Non-Isolated Power Supply)
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