Ekinex EK-BO1-TP-RMA Skrócona instrukcja obsługi - Strona 2
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Display elements
• LED Modbus traffic (1)
- red on: transmitting (TX)
- green on: receiving (RX)
• LED power (2)
- on: active device
- off: not active device
• LED error (3)
- on (fixed): the air handling unit configured in ETS
does not correspond to the connected unit
- on (blinking): communication error on Modbus line
• LED programming KNX (4)
- display of the active mode: on = programming, off =
normal operating
Mounting
The device has degree of protection IP20, and is there-
fore suitable for use in dry interior rooms. The housing is
made for rail mounting according to EN 60715 in boards
or cabinets for electrical distribution. The installation is in
horizontal position, the correct position is when the KNX
bus terminal is located at the bottom. For the installation
of the device on the rail proceed as follows.
• with the aid of a tool bring the locking device in the
fully lowered position (a);
• place the upper edge of the rear inner profile on the
upper edge of the rail (b);
• rotate the device towards the rail (c);
• push the locking device upward until it stops (d).
a
b
c
d
Before removing the device, be sure the Modbus cable
has been disconnected and the KNX bus terminal has
been extracted from its slot. Use a screwdriver to slide
down the locking device and remove the device from the
rail.
i
Note. When mounting the device in boards and cabi-
nets it shall be provided the necessary ventilation so
that the temperature can be kept within the operating
range of the device.
Connection of the KNX bus line
The connection of the KNX bus line is made with the ter-
minal block (red / black) included in delivery and inserted
into the slot at the bottom of the housing.
Characteristics of the KNX terminal block
• spring clamping of conductors
• 4 seats for conductors for each polarity
• terminal suitable for KNX bus cable with single-wire
conductors and diameter between 0.6 and 0.8 mm
• recommended wire stripping approx. 5 mm
• color codification: red = + (positive) bus conductor,
black = - (negative) bus conductor
!
Warning! In order to supply the KNX bus lines use
only KNX bus power supplies (e.g. ekinex EK-AB1-TP
or EK-AG1-TP). The use of other power supplies can
compromise the communication and damage the devi-
ces connected to the bus.
A
Modbus
RS-485
B
+
Bus
KNX
-
2
A
B
R
Modbus
green
RX
traffic
red
TX
Power
Error
EK-BO1-TP-RMA
Modbus / KNX interface for
RDZ air handling units