Testing The Power Transformer - Filtec FT-50c Service And Technical Reference Manual

FT-50 Fill Level Inspector Service Manual
Warning
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.
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
A 36 VAC
B 14 VAC
C 28 VAC
D 24 VAC
Industrial Dynamics Company, Ltd. Document 40255-0600
Voltage Range Connections
38 - 43 VAC Pin 1 to Pin 2 (red to red)
15 - 17 VAC Pin 3 to Pin 4(yellow to blue)
Pin 3 to Pin 5 (yellow to blue)
30 - 34 VAC Pin 4 to Pin 5 (blue to blue)
25 - 29 VAC Pin 7 to Pin 8 (brown to brown)