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Chapter 8: Diagnostic and Repair Procedures
8-17
Testing the Power Transformer
If the power supply is not functioning, the failure may be caused
by the loss of input power. If the input power is missing, test the
power transformer.
1.
Turn off all power to the FT-70.
2.
Remove the FT-70’s cover to access the power transformer
inside.
Warning
Failure to turn off the power can result in severe electrical shock.
3.
Disconnect plug P1 from the transformer and turn the power
to the FT-70 on.
4.
Refer to Figure 8-1 and test the following pins in the P1
connector on the processor card.
Reference
Voltage
Rating
Voltage
Range
Connections
A
36 VAC
38 - 43 VAC
Pin 1 to Pin 2 (red to red)
B
14 VAC
15 - 17 VAC
Pin 3 to Pin 4(yellow to blue)
Pin 3 to Pin 5 (yellow to blue)
C
28 VAC
30 - 34 VAC
Pin 4 to Pin 5 (blue to blue)
D
24 VAC
25 - 29 VAC
Pin 7 to Pin 8 (brown to brown)
Industrial Dynamics Company, Ltd. ©
Form
40256-0600
Summary of Contents for FT-70c
Page 1: ...FT 70c Service and Technical 40256 0600 Reference Manual for Can Inspection...
Page 14: ...Table of Contents XIII Industrial Dynamics Company Ltd Form 40256 0600...
Page 21: ...FT 70 Fill Level Inspector Service Manual 1 2 Industrial Dynamics Company Ltd 40256 0600...
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Page 35: ...FT 70 Fill Level Inspector Service Manual 2 2 Industrial Dynamics Company Ltd 40256 0600...
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