Connecting Power Supply And External Devices - YOKOGAWA ROTAMASS Total Insight General Instruction Manual

Transmitter

7.4.8 Connecting power supply and external devices

Risk of sparking and damage to the flow meter due to incorrect sealing
WARNING
▶ In case of metric cable entry ensure appropriate IP rating and suitability of O-ring of
▶ In case of NPT cable entry ensure appropriate sealing measures (e.g. use of sealing
Risk of damage to the flow meter due to incorrect power supply
NOTICE
▶ The specified power supply must be observed (see General Specifications).
▶ The power-supply cable must be designed for the power supply used with a
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Risk of injury due to electrical shock
WARNING
▶ The transmitter must be assigned an external, fixed-mount power switch or automatic
▶ The power switch of automatic circuit breaker must be installed near the transmitter
used accessory (e.g. cable glands).
tape).
minimum diameter of 0.5 mm.
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Transmitter back cover
Power supply cable gland
circuit breaker in order to disconnect the transmitter from the power grid (compliant
with IEC60947-1 and IEC60947-3). Power switch or automatic circuit breaker must
disconnect all lines under current, but cannot disconnect the grounding conductor
under any circumstances.
and easily accessible. The "OFF" switch position must be clearly recognizable.
IM 01U10B00-00EN-R, 3rd edition, 2018-07-09
General Instruction Manual
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Wiring
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