ProfiMessage
3.5.9 OTPT
3.6 I/O module installation and removal
Electronic components are sensitive
to electrostatic charge (ESD). There-
fore, discharge any electrostatic
before opening the device to replace
to install or change I/O modules. We
recommend wearing an anti-static
wrist band (static discharge wrist
band) and to carry out the work on a
conductive surface.
Removal
1. Disconnecttheunitfromthepowersupply.
2. Removeallconnectorsfromthedevicefront.
Whenreplacingamodulewithasimilarmodule,leavethecablesattachedto
theterminalblocks.
3. Unscrewthefourlockingscrewsattheendsofthetwoterminalblocksuntil
adistinctcrackingsoundisheard.
Thescrewshaveretainingringstopreventthemfallingoutandhencedonot
fullyunscrew.
4. Pullthetwoterminalblocksforwardwitheffort.Priseoffifnecessaryusinga
flatscrewdriveratthesidesbetweentheterminalblockandhousingfront
(seeimage).
34
Delphin Technology AG
Dezember 2015
ProfiMessage Manual