Page 11 of 24
LAN
PN: 306-0014 www.neets.dk
Control
Relay
100-240VAC
Power
Relay
47-63Hz, 12W
RS-232/IR
G
T2
R2
G
T1
R1
I/O 24V/500mA
G
5
8
6
7
G
1
4
2
3
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
Relay 1
Relay 8
Relay 5
Relay 4
Relay 2
Relay 3
Relay 6
Relay 7
LAN
1
tx
rx
2
RS232 / IR
control
1 2 3 4 5 6 7 8
in
out
input / output
made in Denmark
Neets Control - DelTa
config
IR
on
Neets Switching Relay - 8
config
on
made in Denmark
relay
1 2 3 4 5 6 7 8
test
on
When used as outputs, the ports are active low. When
indicated as active, the pins are tied to GND through a
FET transistor (also called open drain/collector function).
Each can draw up to 24VDC/500mA.
For each output pin there is a led on the front of the
Relay – 8. The led are on when the output pin is activated
(The output pin is connected to GND)
When used as inputs the voltage has to be below 1 Volt
DC to be accepted as LOW, and above 4 VDC (but below
24 VDC) to be accepted as HIGH. The inputs are de-
fault HIGH and must be connected to ground in order to
change state.
For each input there is a led on the front of the Relay – 8.
The led indicates the current state of the input. When
the led lights orange it indicate that the input is high,
when the light is off the input is low.
LAN
The network connector integrates the system into the
local area network.
There are two LEDs on the connector with the following
indication:
Color
Off
On
Blink
Yellow
No Link
Link
Activity
Green
10Mbit
100Mbit
Front panel USB
The USB port (labeled “config” on the front) can only
be used to firmware upgrade the Relay – 8 through a
Windows/MAC/Linux computer. See the section How to
upgrade the Firmware on page 11 for details.
You are not able to configure or control the Relay – 8
through this port. Do not connect any other devices
to this port. The USB connector for connecting to the
Relay – 8 is type “mini USB B 5P”.
You can buy this cable on the web (buy a USB A to Mini
USB B 5P).
