Operating Manual EMGZ421
10
7.3
Wiring diagram: Variant for insert card support block (EMGZ421)
fig. 5: Wiring diagram: Variant for insert card suppor block
E421005e
Caution
Bad earth connection may cause electric shock to persons, malfunction of the total system
or damage of the measuring amplifier! It is vital to ensure that proper earth connection is
done.
7.4
Wiring diagram: Variant with separate housing (EMGZ421.E)
The housing of the electronic unit will be opened by unscrewing the 4 philips screws on
the operation panel and swinging out the operation panel to the right side.
Caution
The processor board is mounted directly behind the operation panel. Improper handling
may damage the fragile electronic equipment! Don’t use rough tools as screwdrivers or
pliers! Don’t touch processor board! Touch earthed metal part to discharge static
electricity before removing operation panel!
Danger
Some contacts on the power supply are under 110V resp. 230V tension! Mortal danger!
Disconnect power supply before open the housing!
Summary of Contents for EMGZ421
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