Yokogawa YFGW610 Manuel d'utilisateur télécharger pdf (Page 22)

<B2. Power Supply and Grounding>

B2-1

IM 01W02D02-01EN

B2. Power Supply and Grounding

A reliable power supply is required to ensure stable YFGW610 operations.

Mount YFGW610 on the DIN rails being secured to the general-purpose instrumentation board or

others. No other type of mounting is allowed.

B2.1 Power Supply

Connect the power source to the power supply connector on the top of YFGW610.

SEE

ALSO

For power supply and current consumption of YFGW610, also see “GS 01W02D02-01EN”.

n Inrush current

When the power is turned on, inrush current may run into the device. As shown in the table be-

low, this current is, even though short-lived, signicantly larger (10 times or more) than the steady

state current. Make sure that the power supply and protector can endure the inrush current.

Item Specications Remarks

Inrush current 30 A, 2 msec or less At 26.4 V DC

SEE

ALSO

For wiring of the power supply, see “B4.2 Power Supply Cable Connection.”

WARNING

• If the power fails when downloading the system conguration data from YFGW410 or

YFGW510 to eld wireless devices by using the Field Wireless Management Console, the

conguration data may be destroyed. (However, the system conguration data will not be

destroyed even if the power fails during normal system operation.)

• To avoid such a problem, supply the power source from the permanent power supply unit.

IMPORTANT

• YFGW610 does not have a power switch. Provide a breaker or switch for the external power

line to turn on/off the device.

• The overcurrent protection circuit of the power supply, it is recommended to use the auto-

matic-recover type with the reverse L-shaped.

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Yokogawa YFGW610 Manuel d'utilisateur Page 22