Appendix
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17.4.2 Nominal current from module bus I
MB
BL20-2AO-I(0/4..20MA) 50 mA
BL20-2AO-U(-10/0..+10VDC) 50 mA
BL20-2AOH-I < 20 mA (without signal output)
BL20-E-4AO-U/I < 40 mA (without signal output)
BL20-2DO-R-NC < 20 mA
BL20-2DO-R-NO < 20 mA
BL20-2DO-R-CO < 20 mA
BL20-1CNT-24VDC 50 mA (load current= 0)
BL20-E-2CNT-2PWM Typ. 35 mA
(all in- and outputs = 0)
BL20-1RS232 -
BL20-1RS485/422 < 25 mA
BL20-1SSI < 25 mA
BL20-2RFID-x 100 mA
Module Power supply Nominal current consumption
gateway 430 mA
BL20-BR-24VDC-D 1500 mA
BL20-PF-24VDC-D 28 mA
BL20-PF-120/230VAC-D 25 mA
BL20-2DI-24VDC-P 28 mA
BL20-2DI-24VDC-N 28 mA
BL20-2DI-120/230VAC 28 mA
BL20-4DI-24VDC-P 29 mA
BL20-4DI-24VDC-N 28 mA
BL20-4DI-NAMUR 40 mA
BL20-16DI-24VDC-P 45 mA
BL20-32DI-24VDC-P 30 mA
BL20-1AI-I(0/4…20MA) 41 mA
BL20-2AI-I(0/4…20MA) 35 mA
BL20-1AI-U(-10/0...+10VDC) 41 mA
BL20-2AI-U(-10/0...+10VDC) 35 mA
Module Power supply Nominal current consumption