1.22 To access the instrument
1.23 Modular system
DPF20 panel meters are designed to create a modular system. This
modular system allows for addion, replacement or substuon of
any of the internal modules conforming the instrument. Below is a
graphic explanaon for the posion of each module.
To open the housing, use a at screwdriver to free the xaon clips,
if possible, in the following order : D, C, B and A. Remove the front
cover. Let the inside of the instrument slide out of the housing.
To reinsert the instrument make sure that all modules are correctly
connected to the pins on the display module. Place all the set into
the housing, assuring that the modules correctly t into the internal
guiding slides of the housing. Once introduced, place again the front
cover in front of the housing, placing rst corner ‘X’ and then insert-
ing clips ‘A’, ‘B’, ‘C’ and ‘D’ in this order.
See secon 3 for a detailed descripon on how to open and close
the housing.
X
A
C
B
D
Front Filter Display Module Oponal Control Modules
Input Signal Module
Housing
Power Supply Module
Opt.3
Opt.2
Opt.1
Risk of electric shock. Removing the front cover will
grant access to the internal circuits. Disconnect the in-
put signal to prevent electric shock to the operator. Op-
eraon must be performed by qualied personnel only.
Observe precauons for handling ESD (electrostac dis-
charge) sensive devices
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