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Betriebsmessabweichung ............................................... ±15 %
Betriebsmessabweichung Toleranz (>20 MΩ...50 MΩ) ..±30 %
Passwort ....................................................... off/0...999 (off )*
Fehlerspeicher (Alarmrelais) .................................. on/off (off)*
Eingänge
Leitungslänge externe Test-/Reset-Taste ...................... ≤ 10 m
Schaltglieder
Anzahl ............................................................... 1 (Wechsler K1)
Arbeitsweise ...... Ruhestrom/Arbeitsstrom (Arbeitsstrom n.o.)*
Elektrische Lebensdauer bei Bemessungsbedingungen ...............
...................................................................... 10 000 Schaltspiele
Kontaktdaten nach IEC 60947-5-1:
Bemessungsbetriebsspannung AC ...................... 230 V ... 230 V
Gebrauchskategorie AC ........................................ AC 13 ... AC 14
Bemessungsbetriebsstrom AC ...................................... 5 A ... 3 A
Bemessungsbetriebsspannung DC ........... 220 V ... 110 V ... 24 V
Gebrauchskategorie DC ........................... DC 12 ... DC 12 ... DC 12
Bemessungsbetriebsstrom DC ..................... 0,1 A ... 0,2 A ... 1 A
Mindeststrom ......................................... 1 mA bei AC/DC ≥ 10 V
Schnittstelle
Schnittstelle/Protokoll ........................................... RS-485/BMS
Baudrate ..................................................................... 9,6 kBit/s
Leitungslänge ......................................................... 0...1200 m
Empfohlene Leitung (geschirmt, Schirm einseitig an PE) ...........
.................................................................... min. J-Y(St)Y 2 x 0,6
Abschlusswiderstand ............. 120 Ω (0,25 W), intern, schaltbar
Geräteadresse, BMS-Bus .......................................... 2...90 (3)*
Umwelt/EMV
EMV .................................................................... nach IEC 61326
Arbeitstemperatur ........................................... -25 ºC...+55 ºC
Klimaklassen nach IEC 60721:
Ortsfester Einsatz (IEC 60721-3-3) (mit Betauung und
Eisbildung) ............................................................................ 3K5
Transport (IEC 60721-3-2) (mit Betauung und Eisbildung) ... 2K3
Langzeitlagerung (IEC 60721-3-1) (mit Betauung und
Eisbildung) ............................................................................ 1K4
Mechanische Beanspruchung nach IEC 60721:
Ortsfester Einsatz (IEC 60721-3-3) ...................................... 3M7
Transport (IEC 60721-3-2) ................................................... 2M2
Langzeitlagerung (IEC 60721-3-1) ...................................... 1M3
Anschluss ............................................................ Federklemmen
Percentage operating error ..............................................±15 %
Percentage operating error tolerance (>20 MΩ...50 MΩ) ±30 %
Password ....................................................... off/0...999 (off)*
Fault memory (alarm relay) .................................... on/off (off)*
Inputs
Cable length external test/reset button ...........................≤ 10 m
Switching elements
Number of .........................................1 (changeover contacts K1)
Operating principle ......................................................................
................... N/O operation, N/C operation (N/O operation n.o.)*
Electrical endurance ........................10000 switching operations
Contact data according IEC 60947-5-1
Rated operational voltage AC .. ............................ 230 V ... 230 V
Utilization category AC ......................................... AC 13 ... AC 14
Rated operational current AC .......................................5 A ... 3 A
Rated operational voltage DC ................. 220 V ... 110 V ... 24 V
Utilization category DC .......................... DC 12 ... DC 12 ... DC 12
Rated operational current DC ...................... 0.1 A ... 0.2 A ... 1 A
Minimum current .....................................1 mA at AC/DC ≥ 10 V
Interface
Interface/protocol ...................................................RS-485/BMS
Baud rate .................................................................... 9.6 kBit/s
Cable length .............................................................0...1200 m
Recommended cable (shielded, shield connected to PE on one
side) ............................................................min. J-Y(St)Y 2 x 0.6
Terminating resistor . ..........120 Ω (0,25 W), internal, switchable
Device address, BMS bus .......................................... 2...90 (3)*
Environment/EMC
EMC .................................................................. acc. to IEC 61326
Operating temperature .....................................-25 °C...+55 °C
Climatic classes acc. to IEC 60721:
Stationary use (IEC 60721-3-3) (with condensation and formati-
on of ice) ...............................................................................3K5
Transport (IEC 60721-3-2) (with condensation and formation of
ice) ........................................................................................2K3
Storage (IEC 60721-3-1) (with condensation and formation of
ice) ........................................................................................1K4
Classification of mechanical conditions acc. to IEC 60721:
Stationary use (IEC 60721-3-3) ............................................3M7
Transport (IEC 60721-3-2) ....................................................2M2
Storage (IEC 60721-3-1) .......................................................1M3
Connection ...................................................push-wire terminals
IR420-D6CB_D00312_05_M / 02.2019
ISOMETER® IR420-D6CB
13
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