Maintenance and inspection
Measurements on the main circuit
FR-D700 SC EC
8 - 13
When the setting of Pr. 192 "ABC terminal function selection" is positive logic.
Item
Measuring Point
Measuring
Instrument
Remarks (Reference Measurement Value)
Frequency
setting signal
Across 2 (positive)
and 5
Moving-coil type
(Tester and such
may be used)
(Internal resist-
ance: 50k
Ω
or
larger)
0 to 10V DC, 4 to 20mA
"5" is
common
Across 4 (positive)
and 5
Frequency set-
ting power
supply
Across 10 (positive)
and 5
5.2V DC
Frequency
meter signal
Across AM (positive)
and 5
Approximately 10V DC at maximum
frequency (without frequency meter)
Start signal
Select signal
Across STF, STR,
RH, RM, RL and PC
(positive)
When open: 20 to 30V DC
ON voltage: 1V or less
"PC" is
common
Fault signal
Across
A-C and B-C
Moving-coil type
(such as tester)
Continuity check
���
Normal
Abnormal
Across A-C
Discontinuity
Continuity
Across B-C
Continuity
Discontinuity
Tab. 8-6:
Measuring Points and Instruments of the control circuit
Содержание FR-D720S SC EC
Страница 2: ......
Страница 4: ......
Страница 24: ...Description of the case Product checking and part identification 1 4 ...
Страница 108: ...Operation panel Operation 4 20 ...
Страница 436: ...Setting for the parameter unit and operation panel Parameter 6 286 ...
Страница 484: ...Measurements on the main circuit Maintenance and inspection 8 14 ...
Страница 504: ...Specification change Appendix A 20 ...
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Страница 510: ...Index Appendix A 24 ...
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