Cashco Siemens PS2 I/P - Manual (Page 25)

Design and Functional Principle
25
SIPART PS2 Manual
A5E00074631-01
2.4 State as supplied
There are no mechanical mounting accessories on the controller in the
state as supplied These must be ordered and installed according to the
“operating instructions” depending on the application.
The respective connections for single or double action versions are pre-
pared at the factory as ordered.
The pneumatic connections on the rear are sealed.
2.5 Options modules
2.5.1 Options modules in normal and intrinsically safe versions
The options modules are protected and mechanically fixed by a module
cover ((1), see figure 2-10, page 27 and figure 2-11, page 29).
.
NOTE
The housing must be opened to install the options modules. The
degree of protection IP65 is not guaranteed as long as the positioner is
open.
To open the positioner, the four screws of the housing cover must be
loosened with a Phillips screwdriver.
Disconnect or isolate the power supply cables.
Remove the module cover (1). To do this, the two screws (1.1) must be
removed with a screwdriver.
.
NOTE
To prevent premature wearing of the fixture by the self--tapping screws
(1.1), the following method of mounting the module cover (1) has
proven effective.
1. Turn the screws counterclockwise until you feel them snap into the
thread
2. Tighten both screws carefully in clockwise direction
J
y
-module Insert the J
y
-module (3) in bottom pcb rails of the container, establish
the electrical connection with the enclosed ribbon cable (6).
Opening the
instrument