4-7
Validation Procedures
Loop Test
The loop test feature provides a constant 12 mA current source. To
perform a loop test, use the correct diagram to make the electrical
connections (Figure 4-5 and Figure 4-6) and proceed as follows:
NOTE
The current loop is not polarity sensitive.
FIGURE 4-5. Externally Powered Current
Loop Configuration.
P
300
_1
6A
FIGURE 4-6. Validator-Powered Current
Loop Configuration.
P
3
00
_1
7
A
See Safety Messages on page 4-1 for complete warning information.
Summary of Contents for P300
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