2N Lift8 Breve manual - Página 9
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Address Setting
Use a 10-pin rotary switch 0–9 (see the figure above) to set the I/O Module address for a
lift. Set 1–8 like the shaft number for the splitter (set 5 for lift 5, e.g.).
Warning
Do not set address 0 and 9 to avoid system error.
LED Indicators
The I/O Module is equipped with ten LED indicators: two I/O Module status signalling
LEDs, four input status signalling LEDs and four output status signalling LEDs. Refer to the
table for details.
Name
Colour
OK
Green
ERR
Red
Logic input
Orange
1–4
Logic output
Orange
1–4
Logic Input Connection
Up to 4 galvanically isolated logic inputs can be connected to each I/O Module. The
nominal voltage of these inputs is 12–24 V. The minimum detectable level is 8 V and the
maximum level may not exceed 30 V. Otherwise, the I/O Module input circuits will get
damaged. Transition to state 1 occurs with the logic signal rising edge and transition to
state 0 with the falling edge. Every transition is detected and displayed in
®
the 2N
Service Tool application. At the same time, every status change is recorded in
the system log for later use and the user is informed via a pop-up window. See the figure
below for an example of input circuit connection.
If everything is OK, the power supply and bus are connected, the I/O Module is
communicating with the CU, the LED is flashing.
If the red LED is on, the bus is not connected or there is an address collision with
another I/O Module in the system.
This LED is on when the given input is active, i.e. nominal voltage for detection of logic 1
is detected on it.
This LED is on when the given input is active, i.e. the given relay is closed.
Description