FT-50 Fill Level Inspector Service Manual
8-16
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-50.
2. Remove the FT-50’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-50 on.
4. Refer to Figure 8-1 and test the following pins in the P1
connector on the processor card.
Reference Rated Voltage 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. Document 40255-0600
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