Digital Signal Modules (Sms); Sm 1221 Digital Input Specifications - Siemens S7-1200 System Manual
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Also See for S7-1200:
- Operating instructions manual (132 pages) ,
- Programming manualline (74 pages) ,
- Manual (46 pages)
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Technical specifications
A.7 Digital signal modules (SMs)
Note
Unused analog inputs should be shorted.
A.7
Digital signal modules (SMs)
A.7.1
SM 1221 digital input specifications
Table A- 106 General specifications
Model
Order number
Dimensions W x H x D (mm)
Weight
Power dissipation
Current consumption (SM Bus)
Current consumption (24 VDC)
Table A- 107 Digital inputs
Model
Number of inputs
Type
Rated voltage
Continuous permissible voltage
Surge voltage
Logic 1 signal (min.)
Logic 0 signal (max.)
Isolation (field side to logic)
Isolation groups
892
Pin
X10
14
DI a.7
15
DI b.0
16
DI b.1
17
--
18
--
SM 1221 DI 8 x 24 VDC
6ES7 221-1BF32-0XB0
45 x 100 x 75
170 grams
1.5 W
105 mA
4 mA / input used
SM 1221 DI 8 x 24 VDC
8
Sink/Source (IEC Type 1 sink)
24 VDC at 4 mA, nominal
30 VDC, max.
35 VDC for 0.5 sec.
15 VDC at 2.5 mA
5 VDC at 1 mA
500 VAC for 1 minute
2
X11
X12 (gold)
--
--
--
--
--
--
--
--
--
--
SM 1221 DI 16 x 24 VDC
6ES7 221-1BH32-0XB0
45 x 100 x 75
210 grams
2.5 W
130 mA
4 mA / input used
SM 1221 DI 16 x 24 VDC
16
Sink/Source (IEC Type 1 sink)
24 VDC at 4 mA, nominal
30 VDC, max.
35 VDC for 0.5 sec.
15 VDC at 2.5 mA
5 VDC at 1 mA
500 VAC for 1 minute
4
System Manual, 03/2014, A5E02486680-AG
X13
DQ a.5
DQ a.6
DQ a.7
DQ b.0
DQ b.1
S7-1200 Programmable controller
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