Order number: 900323.001 V1.74 Page 24
© Störk-Tronic 2021 • www.stoerk-tronic.com • Subject to modifications.
Technical data
Measuring inputs F1: Temperature sensor refrigerating chamber
F2: Temperature sensor evaporator
Measuring range: PTC (KTY81-121) -50°C...+130°C
Accuracy: ±0.5K ± 0.5 % at 25°C ±1K ± 0.5 % of scale range (0...+55°C), without sensor
Outputs K1: Relay, normally-open contact, 30(6)A 250V~
permanent current max. 16(6)A, limited by connectors and/or conductive strips
K2: Relay, normally-open contact, 16(2,2)A 250V~
Please note: K1 and K2 have a common and potential-afflicted connection.
The total current at terminal X2, Pin 1 may not exceed 16A!
Display 1 3-digit LED display, height 13mm, colour red, temperature display.
3 LEDs, diameter 3mm, colour red, for status display
Interface 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!
Power supply 230V~ 50/60 Hz, power consumption max. 5 VA
Connectors Screw terminals
X1: 4 pole, spacing 5.0 mm, for cable up to 2.5 mm²
X2: 5 pole, spacing 5.0 mm, for cable up to 2.5 mm²
Ambient conditions Storage temperature: -20...+70°C
Operating temperature: 0...+55°C
Relative humidity: max. 75% without dew
Weight ca 300 g, without sensor
Enclosure Front IP65, IP00 from back
Installation data Unit is to be installed in an instrument panel.
Front size: 120 x 42 mm
Panel cut-out: 102.5 x 35 mm
max 6
101,6
120
max. 47
34,1
3,5
42
35
102,5
28
110,5
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