4
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
- test procedure
LEDs
- probe operation
- alarm threshold exceeded
- release threshold exceeded
- Probe temperature
- Probe state:
SSP (probe in short-circuit)
OPP (probe interrupted)
LEDs:
- automatic mode
(CH with higher temperature)
- manual mode
- maximum temperature reached
- Increase
- Decrease
- LED Test
- Type of display
(AUTO, MAN, MAX)
- Programming
- Quit test
Reset
