Figure 54: Smart Pro Frequency Input - Ohmart Vega W-4510 Technical Reference Hardware Manual

W-4510 Weigh Scale Technical Reference Manual
Frequency Input
Start
Is
correct
signal present at No
TB4-1 for input 1
and/or TB4-5
for input
2?
Yes
Is
same
signal present No
at U5-3 for input 1
and/or U7-3
for input
2?
Yes
Does
+5VDC
measure
No
across (8-5) at U5
for Input 1 and/or
U7 for
input
2?
Yes
Replace CPU
board
End

Figure 54: Smart Pro frequency input

Diagnostics and repair
Problem with
sensor or
external wiring
Check jumpers
and I/O signal
cable
Refer to power
supply flow chart
113