Mitsubishi FREQROL FR-A044-3.7K

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23. INSPECTION AND MAlNfENArNCE
Instrument
Across 2 (+) snd 6
Powar supply
50 kn or larger)
Sbrl signal Across STF, STR, RH.
dipnal
Mng
RUOH, RMRT, RWAU
and SD
Reset Across RES (+)
SiOfMl I and SD
Ch@ul Across MRSRT (+)
*signal
and
SD
Error signal
Across A and C,
Moving
coil type
and B and C
(multimeter,
etc.)
‘1: A tesler must not be used since error is excessive.
‘Values in parentheses indicate those for 400V class.
- 102-
0 to YO to 10 voc
4 to 20mADC
5 VDC
mrox. 7 VDC at
the maximum
frequency (wahout
frequency meter)
20 to 30 VDC
when opened
1
VDC or lower when
dosed (ON)
Y’ for common
‘SD’ for common
Continuity checking
<Normal>
<Error>
Across A and C Opened Clwed
Across B andC Closed ODened