Brooks – Brooks Instrument GF81 User Manual
Page 33
2-13
Brooks
®
GF40/GF80/GF81 Devices
Installation and Operation Manual
X-TMF-GF40-GF80-Series-MFC-eng
Part Number: 541B161AAG
June, 2013
Section 2 Installation
2-19-2 Analog/RS485 Connections
The GF40/GF80/GF81 Series devices are available with the Analog/RS485
15-Pin D-Connector shown in Figure 2-9.
It is recommended that when using -15 Vdc & 0, the wiring hook-up should
be: -15V is connected to Pin 9 (POWER COMMON) and 0 is connected to
Pin 5 (POWER SUPPLY(+12 to +24 VDC)).
Figure 2-9 GF40/GF80/GF81 Series with 15-Pin Analog Connector and Pinouts
Analog/RS485
15-Pin Connector