Yokogawa 2-Wire Dual Channel Transmitter/Analyzer FLXA21 Manual de usuario descargar pdf (Pagina 210)

<19. TROUBLESHOOTING>

19-2

IM 12A01A02-01E 5th Edition : Oct. 31, 2013-00

n Replacement of Modules

Only authorized person of Yokogawa is allowed to replace modules.

Besuretokeepthereplacementprocedurebelow.

CAUTION

Turn off the power supply to the analyzer before replacement of modules.

Lock

Unlock

Figure 19.3 Locking the module

Donotholdtheuppernepartwhenpullingoutthemodule.

First, unlock the module by releasing the lock mechanism on the left and right of the module.

Useaslotted(athead)screwdrivertopull-outthemodule.Beforepull-outthemodule,loosea

terminal screw to hook a screwdriver.

Figure 19.4 Pull-out the module

After replacement of modules, wire the sensor.

NOTE

Whenthewiringofsensorsisnished,besuretoattachthewiringcovers.Furthermore,make

sure the module is locked with the mechanisms on the left and right of the module.

NOTE

Conrmthatalllocking-tabs(includingforBLANKslots)are“Locked”positionwhenclosethe

front panel.

Iflocking-tabsare“Unlock”position,thefront panel may be interfered with locking-tabs.

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Yokogawa 2-Wire Dual Channel Transmitter/Analyzer FLXA21 Manual de usuario Pagina 210