Figure 55: Smart Pro Analog Output (Ma/Mv) Flow Chart - Ohmart Vega W-4510 Technical Reference Hardware Manual

Diagnostics and repair
Start
#1
Does
U2 side of R5
measure +15VDC
to U2-8?
Does
U2 (8-4) measure
-15VDC?
mA
If mA selected, Set output equal
JP1 not installed to 50%
Does
TB4(11-12)
measure 12mA
or 50mV?
External wiring or
controller
problem
114
No
Refer to power
supply flow chart
No
Refer to power
supply flow chart
mV
If mV selected,
JP1 installed
No
Check I/O signal
cable or replace
CPU

Figure 55: Smart Pro analog output (mA/mV) flow chart

W-4510 Weigh Scale Technical Reference Manual
Analog Output (mA/mV)
#2
If mA selected,
JP2 not installed
Start
Does
U15 side of No
Refer to power
R32 measure
supply flow chart
+15VDC to
U15-8?
No
Does
Refer to power
U15 (8-4) measure
supply flow chart
-15VDC?
mA mV
Set output equal If mV selected,
to 50% JP2 installed
Does
No
Check I/O signal
TB3(6-7)
cable or replace
measure 12mA
or 50mV?
External wiring or
controller
problem
CPU