
Order No.: 199927
Technical data of TRT252-31.34
Input
E1:
External potential-free switching input, function see parameter b0.
Measuring input
F1:
Resistance thermometer PTC, counter temperature, plug colour white
F2:
Resistance thermometer PTC, evaporator sensor, plug colour red
Measuring range: -55 °C...+99°C
F3:
Current input 0-20mA
Measuring accuracy: 0.5 % of scale range, without sensor
Outputs
S1:
Triac, 4A, 230V ( 0...100 % linear)
with 4A T fuse, potential-free, ventilator
K1:
Relay, 16A 250V, without fuse, see parameter U1
K2:
Relay, 16A 250V, with 6.3A T fuse, see parameter U2
K3:
Relay, 16A 250V, with 6.3A T fuse, see parameter U3
K4:
Relay, 16A 250V, with 6.3A T fuse, see parameter U4
K5:
Relay, 16A 250V, with 6.3A T fuse, see parameter U5
Relays K1 up to K5 are potential-afflicted
Additional buzzer, 85dB
Display
One 3-digit LED-Display, height 13mm, for temperature display, colour red, including the switching
condition display for the output relays
One 4-digit LED-Display, height 13 mm, colour red, for internal real time clock
8 LEDs, for status display
LON communication interface
shielded 2-wire line, Twisted Pair, 78kBaud, not polar, maximum cable length 100m
Interface driver: FTT10A, galvanically separated.
The network can be installed in arbitrary topology.
Power supply
230V 50Hz, max. 10VA
Ambient conditions:
Storage temperature:
-20...+70°C
Operating temperature:
0...55°C
Relative humidity:
max. 75%, without dew
Enclosure
Front IP63, IP00 from back
Installation data
Unit is to be installed in an instrument panel.
Front size:
252 x 72 mm
Panel cut-out:
242.5 x 50.5 mm
Installation depth:
ca. 200 mm