Switch To Pulse Inputs - Emerson Fisher FLOBOSS 407 Instruction Manual

FloBoss 407 Instruction Manual
C.8 SWITCH TO PULSE INPUTS
Figure C-14 shows how to use a switch to simulate relay contacts to a pulse input source module.
+
AUX PWR OUT 1
-
Figure C-15 shows how to use a switch and power supply to simulate a device transmitting discrete
pulses (turbine meter) to a pulse input isolated module.
SWITCH
Rev 5/00
SWITCH
A
B
C
Figure C-14. Switch to PI Source Module
A
B
C
Figure C-15. Switch to PI Isolated Module
R1=10
N/C
+
-
R1=10
N/C
2.2K
+
-
PI ISO
2.2K
DOC0190A
PI SRC
Vs
DOC0189A
C-7