AB Quality MobileView Guard G750 빠른 시작 매뉴얼 - 페이지 7

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Handling of MobileView Guard Terminal

Refer to MobileView Guard G750 User Manual for additional handling instructions

to avoid terminal malfunctions or damage.

Power Supply

ATTENTION

Enabling Switches

The electronic enabling switch realizes the enabling equipment as a safety function

for machines in special operating modes. The enabling switch is part of the

MobileView terminal.

Each machine features a normal operating mode and a special operating mode.

• In normal operating mode, guards and/or operative protection devices are

used to prevent access and guarantee safety. Special operating modes are

used to maintain the normal operating mode.

• The device meets safety class III in accordance with EN

61131-2 and EN 50178. The 24V power supply for the

equipment must provide appropriate isolation between

safety-extra-low-voltage circuits and dangerous-contact

voltage circuits (for example, by safety transformers or

similar facilities).

• Protect the power supply circuit with a 3.15 A fuse.

• The nominal supply voltage of the MobileView terminal

(without Mobile View Connection Cable) is +24V dc

(supply voltage range: 18 to 32V dc).

Typical current consumption is:

- 300 mA at 24V dc

-400 mA at 18V dc

When planning the power supply, consider the voltage

drop on the MobileView Connection Cable.

Specifications of power supply lines in this cable are:

Cross section: AWG24 (0.24 mm

Material: zinc-coated copper strand

Line resistance:

MobileView Guard G750

)

90 Ohm/km (

145 Ohm/mile)

Publication 2727-QS002E-MU-P