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2 INTERNAL LINKS AND SWITCHES
2.1 REMOVING THE PROFILE CONTROLLER FROM ITS
HOUSING
CAUTION: Before removing the instrument from its housing, ensure
that all power has been removed from the rear terminals.
To withdraw the instrument from its housing, simply grip the side edges of the
front panel (there is a finger grip on each edge) and pull the instrument forwards.
This will release the instrument from its rear connectors in the housing and will
give access to the instrument PCBs. Take note of the orientation of the instrument
for subsequent replacement into the housing.The positions of the PCBs in the
instrument are shown in Figure 2-1.
S077-2 Volume I 2-1
Output 3 Link Jum pers
(DC Output onl y)
DC Output 1 PCB (if fitted)
Output 2 Link Jum pers
(DC Output onl y)
Outp u t 2 Op tio n PCB
(Relay, SSR Drive,
Solid State or DC Output)
Outp u t 3 Op tio n PCB
(Relay, SSR Drive,
Solid State or DC Output)
Front Panel (top edge)
R
S4
85
C
ommunications
O
ption P
C
or
Remote Run/Hold Option PCB
Figure 2-1 PCB Positions