Brooks Instrument 5861i - Manual (Page 14)

2-6
Installation and Operation Manual
X-TMF-5861i-MFM-eng
Part Number: 541B111AAG
November, 2008
Brooks ® Model 5861 i
Section 2 Installation
Supply
The power of the mass flow meter is connected to Pin 5 (+15 to +28 Vdc)
and Pin 9 (supply common) of the D-connector. Refer to Section 1-3 for the
power requirements.
Note: The length of the wire for the power supply connection (Pins 5&9)
must be selected as to insure a minimum of 15 Vdc is available at the
mass flow meter.
Chasis Ground
Connect earth ground to Pin 14 of the D-connector.
2-8 Configuring PC Board
Note: To obtain easiest access to the jumpers, the electronics cover must
be removed. Disconnect the power to the mass flow meter, and cables to
the D-connector. Remove the three screws at the base of the can and
remove the top jack post of the D-connector. Remove the can. The can
must be replaced before returning the unit to service.
Refer to Section 2-6 for the proper electrical hook-up.
Refer to Section 3-5 for printed circuit board jumper locations and
functions.
Jumper Setting
Jumpers J3 and J4 (blue) must be in the upper position for 0-20 mAdc
output and in the lower position for 4-20 mAdc output.
Note: Both J3 and J4 must be in the same upper or lower position.
Jumpers J3 and J4 do not affect voltage output.