TRA-F12x-A
T
ECHNICAL
S
PECIFICATIONS
Doc: 70-00-0792B V1.3, 20220830
© Vector Controls GmbH, Switzerland
Page 4-34
Subject to change without notice
www.vectorcontrols.com
V
ECTOR
2
Technical Specifications
Power supply
Power requirements
110
…
250 VAC, 50/60 Hz
Power consumption
Max. 5 VA
Electrical connection
Screw terminals
Wire 0.15
…2.
05 mm2 (AWG 26
…1
4)
Built-in sensor
Temperature range
Accuracy 0…50°C
0…50°C
(32…122°F)
0.5°C (1°F)
Signal inputs
Digital and temperature input
Temperature range
Temperature accuracy
Selectable via parameter
-
20…60°C
(-
4…140°F)
0.5°C (1°F) at
0…50°C
(32…122°F)
1.0°C (2°F) at <0°C (<32°F), >50°C (>122°F)
Type & range of temperature sensor
NTC (Sxx-Tn10): -
40…140°C
(-
40…284°F)
Signal outputs
Relays outputs (SPST NO)
0…250 VAC,
resistive load current 5A, inductive 2A
Insulation strength
between relays and system electronics
between neighboring contacts
2500V to EN 60 730-1
2500V to EN 60 730-1
Electronic control type
2.B (micro-disconnection)
Temperature
resolution
Displayed temperature
0.1°C (0.5°F)
Set point
0.5°C (1°F)
Network
(TRA-F121-A only)
Hardware interface
Max nodes per network
Max nodes per segment
RS485 in accordance with EIA/TIA 485
247
128
Conductor wire
Impedance
Shielded Twisted Pair (STP) cable
100
–
130
Ω
Galvanic isolation
The communication circuitry is isolated
Network topology
According Modbus manual (Modbus over serial
line)
Recommended maximum length per chain
1200 m (4000 ft.)
Modbus
(TRA-F121-A only)
Communication standard
Modbus RTU (
Default setting
38400 baud rate, even parity, 1 stop bit
Communication speed (baud rate)
2400, 4800, 9600, 19200, 38400, 57600, 115200
Modbus RTU protocol (8 data bits)
no parity
–
1 or 2 stop bits;
even or odd parity
–
1 stop bit
Environment
Operation
Climatic conditions
Temperature
Humidity
To IEC 721-3-3
class 3K5
0…50 °C (32…122 °F)
<85 % RH non-condensing
Transport & storage
Climatic conditions
Temperature
Humidity
Mechanical conditions
To IEC 721-3-2 and IEC 721-3-1
class 3K3 and class 1K3
0…50 °C (32…122 °F)
<95 % RH non-condensing
class 2M2
Standards
Safety class
II (IEC 61140)
Degree of protection
IP30 to EN 60529
General
Material
Fire proof PC+ABS plastic (UL94 class V-0)
Dimensions front part (H x W x D)
Dimensions back part (H x W x D)
88 x 88 x 16 mm (3.5 x 3.5 x 0.6 in)
67 x 61 x 25 mm (2.6 x 2.4 x 1.0 in)
Weight (including package)
250 g (8.81 oz)
2.1
Product testing and certification
Declaration of
Conformity
Information on the conformity of our products can be found on our website
on the corresponding product page under "Downloads".
