Sierra Instruments Instruction Manual
Smart-Trak
®
2 Series 100
43
4-20 mA
Pilot/RS232
When you are satisfied, press enter. You will see:
Change Setpoint
Source
X-XX XX
You can make additional changes by using the left and right arrow keys to move to
other Lower Level Screens. You may also choose to press the escape key to return
to the Upper Level Screens.
Caution: If you change the source of the setpoint to an analog
value, you will not be able to control your Smart-Trak 2 mass flow
controller via the Pilot Module or the RS-232 link.
Change Output Signals Screen
If you are already in the Lower Level Screens, push the right or left arrow until you
reach the Change Output Signals screen. To get to this screen
at any time: Press
Escape—Press Enter—enter password and Press Enter. Then, press the Right or
Left arrow until you reach this screen
.
The display will show:
Change Output
Signals
0-5 VDC/4-20 mA
Here you can re-configure the analog output signals for the instrument. The Smart-
Trak 2 always outputs one current signal of 4-20mA but the voltage signal may be
selected using this screen. Use the up and down arrows to make your selection.
You can choose between:
0-5VDC and 4-20mA
0-10VDC and 4-20mA
1-5VDC and 4-20mA
When you are finished making your selection, press enter. The screen will read: