SIEMENS S7-200 Digital Modules

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SIEMENS S7-200 Digital Modules

SIEMENS S7-200 Digital Modules

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6ES7221-1EF22-0XA0 SIMATIC S7-200, EM 221 DIGITAL

Artikelnummer

6ES7221-1EF22-0XA0

		SIMATIC S7-200, EM 221 DIGITAL INPUT MOD., OPTICALLY ISOLATED 8DI, 120/230V AC,
Input current
from backplane bus 5 V DC, max.		30 mA
Power losses
Power loss, typ.		3 W
Digital inputs
Number of digital inputs		8
Input characteristic curve in accordance with IEC 61131, type 1		Yes
Input voltage
● Type of input voltage		AC
● Rated value, AC		230 V; 220/230 V AC (47 Hz to 63 Hz)
● for signal "0"		up to 20 V AC
● for signal "1"		79V AC or more
Input current
● for signal "1", typ.		2.5 mA
Input delay (for rated value of input voltage)
for standard inputs
— at "0" to "1", max.		15 ms
Cable length
● Cable length, shielded, max.		500 m
● Cable length unshielded, max.		300 m
Encoder
Connectable encoders
● 2-wire sensor		Yes
— Permissible quiescent current (2-wire sensor), max.		1 mA
Galvanic isolation
Galvanic isolation digital inputs
● Galvanic isolation digital inputs		Yes; Optocoupler
● between the channels, in groups of		1; 8 groups
Connection method
Plug-in I/O terminals		Yes
Dimensions
Width		71.2 mm
Height		80 mm
Depth		62 mm
Weights
Weight, approx.		160 g
last modified:		30.09.2014

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