6ES7121-1BB00-0AA0 SIMATIC SC,ELECTRONIC SUBMODULE

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Product Information

SIMATIC SC,ELECTRONIC SUBMODULE 2 DI, 24 V DC; 8 PIECES PER PACKAGING UNIT
Supply voltage
Load voltage L+
Rated value (DC)	24 V
Input current
Digital outputs
from load voltage L+, max.	0 mA
Power losses
Power loss, typ.	0.4 W
Hardware configuration
Rack
Required terminal block	TB 16SC
Digital inputs
Number/binary inputs	2
Input characteristic curve acc. to IEC 1131, Type 1	Yes
Number of simultaneously controllable inputs	2
Input voltage
Type of voltage / of the input voltage
Rated value, DC	24 V
for signal "0"	-3 to +5 V
for signal "1"	13 to 30 V
Input current
for signal "1", typ.	7 mA
Input delay (for rated value of input voltage)
for standard inputs
at "0" to "1", min.	1.2 ms
at "0" to "1", max.	4.8 ms
at "1" to "0", min.	1.2 ms
at "1" to "0", max.	4.8 µs
Cable length
Cable length, shielded, max.	1000 m
Digital outputs
Cable length
Cable length unshielded, max.	600 m
Encoder
Connectable encoders
2-wire BEROS	Yes
permissible quiescent current (2-wire BEROS), max.	1.5 mA
Interrupts/diagnostics/status information
Alarms
Alarms	No
Diagnoses
Diagnostic functions	No
Diagnostics indication LED
Status indicator digital input (green)	Yes
Galvanic isolation
Galvanic isolation digital inputs
between the channels	No
between the channels and the backplane bus	No; Optocoupler
Permissible potential difference
between different circuits	75 VDC / 60 VAC
Isolation
Isolation checked with	1500 V AC
Dimensions
Width	10 mm
Height	64 mm
Depth	51 mm
Required slots	1; from 8
Weight
Weight, approx.	15 g

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The actual product may differ from image shown