WMZ-G1
© RESOL_10096
WMZ-G1.mon
us.ind
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4
Î
Unscrew the cross-head screw of the cover (1.) and
re move the cover from the housing.
Î
Unscrew the two lateral srews of the transparent shield
(2.) and remove the shield.
Î
Pull out the board which is to be replaced carefully (3.).
Replace with new board.
Î
Place the shield back on the housing and attach with
the two screws.
Î
Put the cover on the housing and attach with the cross-
head screw.
VBus
®
board
When the WMZ-G1 is connected to a control-
ler, the VBus
®
master board has to be replaced
with the VBus
®
slave board!
When several WMZ-G1 modules are cascaded
and connected to a datalogger or PC (see p. 14),
only the VBus
®
master boards of the WMZ-G1
modules with the subaddress 1 or higher have to
be replaced with the VBus
®
slave boards!
Replacing the VBus
®
board
WARNING!
Electric shock!
Opening the housing will expose
live parts!
Î
Switch off power supply and dis-
connect the device from mains
before opening the housing!
ATTENTION! ESD damage!
Electrostatic discharge can lead to da-
mage to electronic components!
Î
Take care to discharge properly
before touching the inside of the
device!
1.
2.
3.
The VBus
®
master board is marked with a “B”,
the VBus
®
slave board with a “J” in the upper
right corner of the populated side of the board.
