Technical data IRDH275BM-7 with AGH675S-7…
58
IRDH275BM-7_D00123_06_M_XXEN/07.2018
Displays
Display, illuminated.............................................................................................................................. two-line display
Characters (number of characters).........................................................................................................................2 x 16
Display range, measuring value ........................................................................................................... 50 kΩ…10 MΩ
Relative percentage error 50…500 kΩ ............................................................................................................ ±50 kΩ
Relative percentage error 500 kΩ…10 MΩ ..................................................................................................... ±10 %
Outputs/inputs
TEST/RESET button ...............................................................................................................................internal/external
Cable length TEST/RESET button external ......................................................................................................... ≤ 10 m
Current output for measuring instrument SKMP (scale centre point = 1.2 MΩ):..........................................................
Current output (load)...........................................................................................................................20 mA (≤ 500 Ω)
Accuracy current output (100 kΩ…10 MΩ).................................................................................. ±10 %, ±100 kΩ
Serial interface
Interface/Protocol IRDH275B..................................................................................................................... RS-485/BMS
Connection ................................................................................................................................................ terminals A/B
Cable length .................................................................................................................................................. ≤ 1,200 m
Recommended cable (screened, screen on one side connected to PE)................................................J-Y(St)Y 2 x 0.6
Terminating resistor..................................................................................................................................120 Ω (0.5 W)
Device address, BMS bus .................................................................................................. 1…30 (factory setting = 3)
Switching components
Switching components...........................................2 changeover contacts: K1 (Alarm 1), K2 (Alarm 2, system fault)
Operating principle K1, K2 (Alarm 1, Alarm 2).............................................................................N/O or N/C operation
Factory setting (Alarm 1/Alarm 2)........................................................................................................... N/O operation
Electrical endurance...........................................................................................................12,000 switching operations
Contact class.......................................................................................................................................IIB (IEC 60255-23)
Rated contact voltage.......................................................................................................................AC 250 V/DC 300 V
Making capacity.............................................................................................................................................. AC/DC 5 A
Breaking capacity...............................................................................................................2 A, AC 230 V, cos phi = 0.4
......................................................................................................................................... 0.2 A, DC 220 V, L/R = 0.04 s
Minimum contact current at DC 24 V................................................................................................ ≥ 2 mA (50 mW)
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