AW Gear Meters RT-30EX - Manual (Page 12)

RT-30EX Flow Transmitter
Operation and Programming Manual
12
RT-30EX User Manual, Rev. 1.7 02/07/2012
1
2
3.3Kohm
12-24 Vdc
(Class 2)
(+)
(-)
RT-30EX
MOMENTARY
SWITCH
OPTO-
ISOLATOR
Reset input
Opto-isolated external reset input will trigger the RT-30EX to reset the totalizer when the input sees a
momentary transition from low (ground) to high (near supply).
Figure 8: External reset input