7 Installation
Never, under any circumstances, make
any changes or connections that are not
shown in this handbook. Failure to follow
the connection instructions that are given
in the handbook may create serious safety
hazards for people and for the installation.
Do not change the wiring in the product
as it is supplied to you. Failure to follow
this instruction may create serious safety
hazards for people and for the installation,
and will also invalidate the guarantee.
The product can be powered in
24Vac/24Vdc or via PoE 90W (only with
OHEP90INJ or OHEP90INJO accessories).
Keep the connection diagram for future
reference.
18
7.1 Connection of the connector
board
7.1.1 Connector board description
The ground cable must always be
connected to the relevant terminal (GND,
7.1.1 Connector board description, page
18).
BOARD DESCRIPTION
Connector
Function
J3
Ethernet
J4
Power supply
J6
Digital I/O
S1
Selecting the unit operating mode
GND (internal
Ground connection, 24Vac/dc power supply
ground
terminal)
GND (external
Ground connection, power supply in PoE 90W
ground
terminal)
Tab. 1
J3
GND
J4
GND
Fig. 15
S1
J6
MNVCEVO_1947_EN