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2.2 Hardware characteristics
· Container: self-extinguishing ABS
Dimensions: box 170 mm x 110 mm x 105 mm (DIN 43700)
· Front panel: self-extinguishing Exon
Dimensions: 96 mm x 96 mm
· Weight: 0.5 kg
· Display:
Temperature: 3 numbers, each with 7 segments
Channel: 7 segments
· LEDs 19 signals
· Terminal board: withdrawable and polarized, in accordance with IEC 998-1 and IEC 998-2-1
· Climatic category 40/11021 according to IEC
· Power supply: universal, range 24-220 V ± 10% in DC or AC at 50 Hz ± 2% frequency or 12V in DC
· Operating temperature: -20°C +60°C
· Inputs: 4 PT100 (or PTC) resistance thermometers, range from -10°C to 200°C
· Outputs: 4 relays with 5 A contacts, 250 V A.C.
· Memory: EEPROM with data retention for more than 10 years
· Precision: ± 1% of full-scale value + 1 digit
· Insulation: Double galvanic insulation between power supply, microprocessor and temperature probes (2500 V test voltage)
· Humidity: 90% without condensation
· Consumption: 4 VA
· Construction in accordance with regulations
2.2.1 Front panel
Fig. 2
Number of
probe
LEDs
- fault
- programming
- fan
LEDs
- probe operation
- alarm threshold exceeded
- release threshold exceeded
- Probe temperature
- Probe state:
SSP (probe in short-circuit)
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