OPA2-MOD(-H)
Technical data
Doc: 70-00-0290, V1.0 R0, Date: 20160208
© Vector Controls GmbH, Switzerland
Page 2
Subject to alteration
Technical specifications
Power Supply
Power Requirements
24 VAC ±10%, 50/60 Hz, 24VDC ±10%
SELV to HD 384, Class II, 48VA max
Power Consumption
Max. 1 VA
Terminal Connectors
For wire 0.34…2.5 mm2 (AWG 24…12)
Sensors
Internal temperature sensor
Range
Accuracy
NTC
0…50 °C (32…122 °F)
±0.5 K
Humidity Sensor AES-HT-Ax:
Range
Measuring Accuracy
Hysteresis
Repeatability
Stability
Capacity sensor
0…100 % RH
See Figure to the right
1%
0.1%
< 0.5% / year
Signal inputs
Temperature Input(RT)
Range
Accuracy
For NTC sensors with 10kΩ bei 25°C(77°F)
-40…140 °C (-40…284 °F)
-40…0 °C (-40…32 °F): 0.5 K
0…50 °C (32…122 °F): 0.2 K
50…100 °C (122…212 °F): 0.5 K
> 100 °C (> 212 °F): 1 K
Digital Inputs
Range
DI1 and DI2
Potential free, open = 1, closed = 0
Network
Hardware interface
Max. nodes per network
Max. nodes per segment
RS485 in accordance with EIA/TIA 485
128
64 (Vector devices only)
Conductors
Impedance
Nominal capacitance
Shielded Twisted Pair (TSP) cable
100 - 130 ohm
100 pF/m 16pF/ft or lower
Galvanic Isolation
The communication circuitry is isolated
Line termination
A line termination resistance (120 ohm) shall be
connected between the terminals (+) and (-) of the
furthermost node of the network
Network topology
Daisy chain according EIA/TIA 485 specifications
Recommended maximum length per chain
1200 m (4000 ft)
Environment
Operation:
Climatic Conditions
Temperature
Humidity
Mechanical Conditions
To IEC 721-3-3
class 3 K5
0…50 °C (32…122 °F)
<95 % r.H. non-condensing
class 2M2
Transport & Storage:
Climatic Conditions
Temperature
Humidity
Mechanical Conditions
To IEC 721-3-2 and IEC 721-3-1
class 3 K3 and class 1 K3
-25…70 °C (-13…158 °F)
<95 % r.H. non-condensing
class 2M2
Standards EU
conformity
EMC Directive
Low Voltage Directive
2004/108/EC
2006/95/EC
Product standards
Automatic electrical controls for household
and similar use
EN 60 730 –1
Electromagnetic compatibility for
industrial and domestic sector
Emissions: EN 60 730-1
Immunity: EN 60 730-1
Degree of Protection
IP30 to EN 60 529 if mounted correctly
Pollution Class
II (EN 60 730-1)
Safety Class: Local regulations must be
observed!
III (IEC 60536)
Overvoltage Category
II (EN 60 730-1)
General
Material
Front part, back part
Mounting plate
Fire proof ABS plastic (UL94 class V-0)
Galvanized steel
Dimensions (H x W x D)
Front part: 88 x 88 x 21 mm (3.5” x 3.5” x 0.8”)
Back part: ø 58 x 32 mm (ø 2.3” x 1.3”)
Weight (including package)
240g (8.47 oz)
Max RH tolerance at 25°C (77°F)
%rH
%RH
10 20 30 40
10
0
90
0
50 60 70 80
±1
±0
±2
±3
±4
±5
AES-HT-A2
AES-HT-A3
AES-HT-A5
