2. Installation
2.3 Mounting
4. Connect the expansions to each other using the matching connector.
5. Repeat for all additional expansions – up to 11 EASY-E4-...-...E1(P)
Installing the easy communication module (optional)
1. Position the easy communication module to the left of the base device against
the mounting rail's upper lip in an inclined position.
2. Slide the easy communication module until it is resting flush against the base
device.
3. Lightly push the device down and against the mounting rail until it snaps into
place over the mounting rail's lower lip.
4. Remove the end cover from the base device and store it in a safe place.
5. Connect the base device to the easy communication module with the match-
ing connector.

Finish assembly
1. Take the base device's end cover and install it on the right side of the last
expansion.
2. Take the base device's end cover and install it on the left side of the easy com-
munication module.
There will be the following electrical isolation at the local expansion connection
between the base device and the expansion device:
l
Basic isolation, 400 V
AC
(+10%).
l
Safe isolation, 240 V
AC
(+10%).
The base device, expansion device, and easy communication module can be
powered with different power supplies.
easyE402/24 MN050009ENEaton.com
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