Yokogawa FieldMate - Manual (Page 70)

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IM 01R01A11-01EN
6.3.4 Insulation Resistance
WARNING
Follow User’s Manual IM 01E20D01-01E for correct operational and safe handling.
Where the insulation resistance check is not possible, select “N/A”
1) Check the insulation resistance in the terminal box in accordance with the tables below. Fol-
low User’s Manual IM 01E20D01-01E.
(A) Coil
Table 6.3.13 Coil Insulation Resistance Check
Test Terminals Test Voltage
Between terminals EX1 and C 500 V DC (Use an insulation tester or equivalent.)
(B) Signal (Electrode)
Table 6.3.14 Electrode Insulation Resistance Check
Test Terminals Test Voltage
- Between terminals A and C
- Between terminals B and C
500 V DC (Use an insulation tester or equivalent.)
2) Enter the measured value manually.
Where the insulation resistance check is not possible, select “N/A”.
Where the measured value is over-range, select “Open Loop (O.L.)”.
3) “Result” is displayed automatically.
F060319-A.ai
(A) Example 1
F060319-B.ai
(B) Example 2
Figure 6.3.19 “Insulation Resistance” Result