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CAUTION
(1) Select the cable run location so they are away from electrical equipment (motors, transformers,
or radio transmitters) which causes electromagnetic or electrostatic interference.
(2) Deterioration of flowmeter circuit insulation occurs if the converter interior or cable ends get wet
or humidified. This in turn causes malfunction of flowmeter or noise problems. Avoid a rainy
day if the flowmeter is to be installed outdoors. Even indoors, prevent water from splashing over
the flowmeter. Try to finish the wiring as quickly as possible
(3) The converter has a surge arrestor/protector installed inside. Therefore, do not conduct a
withstand voltage test for the converter. To check the insulation of the converter, use a voltage
of 250Vdc or less.
(4) After wiring, be sure to install the terminal block protection cover.
5.1 Cables
Use the kind of cables shown in Table 5.1 to wire the converter.
Table 5.1 Installation Cables
Name Cable name
Nominal
cross-sectional
area
Finished
outer
diameter
Description
Power cable
3-core vinyl sheathed cable or 2-core vinyl
sheathed cable
2 mm² 11~13mm
CVV JIS C
3401,IEC60695,IEC607
54,IEC60227,IEC60245
or equivalent
Output signal
cable
The number of conductors the cable contains differs depending on the
specification of the output signal cable.
Use a shielded cable of finished outer diameter 11 to 13mm and nominal
cross-sectional area 1.25mm
2
.
CVV-S JIS -258-C or
equivalent