Supply Loop Power - Fluke 753 User Manual

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Users Manual

Supply Loop Power

The Product supplies loop power at 26 V dc through an
internal series resistance of 250 Ω. The setting supplies
sufficient current for two or three 4-20 mA devices on the
loop.
When you use loop power, the mA jacks are dedicated to
measuring the current loop. This means that the SOURCE
mA, measure RTD, and measure Ω functions are not
available (see Table 10.)
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Connect the Product in series with the instrument current
loop as Figure 20 shows. To supply loop power:
1. Push s for Setup mode.
Loop Power, Disabled is highlighted.
2. Push  and  to select Disabled or Enabled.
3. Push .
4. Push the Done softkey. "LOOP" is shown on the
display when Loop Power is in operation.
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