Ascon tecnologic AC3nP, Installation Manual, Page: 14 / 38

AC
3
nP - Installation Manual
8
Installing the
modules on a
DIN rail
Mounting Position
Select a mounting position in accordance with the distances indicated in the illustration that
follows:
• Mount the modules vertically;
• In order to help the air ventilation flow, respect the
distances between modules and walls.
Mounting/Removing the modules on/from the DIN rail
Mounting Instructions
1. Open the 4 plastic spring slides in the upper and
lower part of the CPU (a), clip the upper part of the
module to the DIN rail (b);
2. Rotate the module downwards (c), then close the 4
spring slides (d).
Removing Instructions
Switch OFF the Power Supply;
3. Open the 4 plastic spring slides by inserting a flat-
blade screwdriver as indicated (e);
4. Turn and lift the module upwards to remove it from the
DIN rail.
Connecting
the expansion
modules
The I/O modules are already set.
The I/O expansion modules (max. 2) must be mounted on the right of the last mounted module.
The modules (CPU included) must be powered OFF when connected to each other.
All the modules must be removed from the DIN rail before to connect or disconnect the bus.
1. Switch OFF the Power Supply;
2. Insert the connector of the bus in the rightmost module. A position key identifies the
insertion versus of the connector;
3. Mount the modules on the DINrail.
To remove the I/O expansion modules invert the mounting sequence described.
min. 60
55
min. 100
min. 80
Mounting position (mm)
1
2
a
a
b
c
d
d
3
4
e
e