Aritech DM3000 Serie Fiche D'installation page 3

Wiring
For optimal system performance, use 0.13 to 3.31 mm² (0.40
to 2.05 mm) twisted-pair cable with a maximum length of 2 km.
Wire the unit as described below. Observe the indicated
polarity.
Terminal Description
A+ Positive line (+)
B+ Positive line (+)
A– Negative line (–)
B– Negative line (–)
Device status
The device status is indicated by two colour changing LEDs on
the front of the unit, as shown in the table below.
State Indication
Alarm Steady red LEDs [1]
Isolation active Steady yellow LEDs [2]
Fault Flashing yellow LEDs
Communicating Flashing green LEDs
[1] This may also indicate an active Locate Device command from the
control panel.
[2] DM3110 models only.
Maintenance and testing
Maintenance
The unit should be maintained and tested according to local or
national requirements and any other applicable regulations. Do
not modify internal wiring or circuitry.
Testing
To activate an alarm, push the resettable element or turn the
key clockwise (one click). To reset the device, turn the key
anticlockwise (one click). Reset the control panel after testing.
Replacing the resettable element
Replace the resettable element (or add the breakable element)
as follows:
1. Unlock and remove the front cover as described in
"Installation" on page 2.
2. Push the element up, and then pull it out (see Figure 5).
3. Replace the resettable element (or add the breakable
element, if required).
4. Replace the front cover.
Analogue values
Analogue values for diagnosing and troubleshooting device
status are shown in the table below.
Value Device Status
32 Normal
128 Alarm
P/N 03-0210-501-0300-03 • ISS 04NOV22
Specifications
Electrical
Operating voltage
Current consumption
Standby
DM3010
DM3110
Alarm
DM3010
DM3110
Isolation
The following isolation specifications apply to DM3110 models
with an integrated short circuit isolator.
Current consumption (isolation
active)
Isolation voltage
Minimum
Maximum
Reconnect voltage
Minimum
Maximum
Rated current
Continuous (switch closed)
Switching (short circuit)
Leakage current
Series impedance
Number of isolators per loop
Number of devices between
isolators
Mechanical and environmental
IP rating
Backbox cable knockouts
Back
Top/bottom [1]
Wire size
Minimum
Maximum
Operating environment
Operating temperature
Storage temperature
Relative humidity
Colour
Red
Blue
Green
Orange
White
Yellow
Material
Body
Contacts
Weight
Without backbox
With backbox [2]
17 to 38 VDC
180 µA
200 µA
2.8 mA
2.8 mA
1.5 mA
14 VDC
15.5 VDC
14 VDC
15.5 VDC
1 A
1 A
1 mA max.
0.06 Ω max.
128 max.
32 max.
IP41
1 × Ø 20 mm
1 × Ø 25 mm
2 × Ø 20 mm
0.13 mm² (0.40 mm)
3.31 mm² (2.05 mm)
−25 to +72°C
−25 to +72°C
10 to 95% (noncondensing)
RAL3028
RAL5005
RAL6024
RAL2008
RAL9003
RAL1003
ABS, PC, PMMA, POM
Nickel plated H59, tin plated
QSn6.5-0.1, tin plated H65
110 g
165 g
3 / 26