Order No.: 900390.001
Technical data of ST501-KC1KAR.112
Measuring input
F1:
Resistance thermometer PTC, refrigerating chamber
F2:
Resistance thermometer PTC, function see P4
Measuring range:
-50°C...+150°C
Measuring accuracy: ±1K ± 0.5 %, without sensor
Outputs
K1:
Relay, normally-open contact, 30(4)A 250V, function see U1,
permanent current max. 16(4)A, limited by connectors and/or conductive strips
K2:
Relay, change-over contact, 8(1.5)A 250V, function see U2
Buzzer ca. 85dB
Display
One 3-digit LED-Display, height 13 mm, colour red
Three LEDs, for status display of the outputs compressor, defrost and fan
Power supply
230 V 50/60 Hz, power consumption max. 6 VA
ST-Bus communication interface
Interface driver: RS485, galvanically not separated
The network has to be installed in lines topology and terminated with a 120 Ohm resistance on
each side.
In case of networking always connect port “A” with port “A” and port “B” with port “B”. Crossing over
is not permissible.
Connectors
screw terminal
11-pole, spacing 5.0 mm, for cable up to 2.5 mm²
2-pole, spacing 3.5 mm, for cable up to 1.5 mm²
Ambient conditions:
Storage temperature:
-20...+70°C
Operating temperature:
0...+55°C
Relative humidity:
max. 75% without dew
Weight
ca. 200 g, without sensor
Enclosure
Front IP65, IP00 from back (unit is open on the back)
Installation data
The unit is to be installed in an instrument panel.
Front size
106 x 68mm
Panel cut-out:
87.5 x 56.5 mm
Installation depth
ca. 50mm
