3SK21221AA10 Datasheet en
3SK21221AA10 Datasheet en
3SK21221AA10 Datasheet en
SIRIUS safety relay Basic unit 3SK2 series 20 F-DI, 4 F-DQ, 2 DQ,
24 V DC Can be parameterized via SIRIUS Safety ES 45 mm width
screw terminal up to SILCL 3 (DIN EN 62061) Up to Performance
Level E (ISO 13849-1) Output expansions 3SK1 and fail-safe motor
starters 3RM1 via device connector connectable
Communication/ Protocol
Protocol optional is supported PROFIBUS DP Yes; when using the DP interface module; 64 bit cyclical data
protocol
Protocol is supported AS-Interface protocol No
Amount of data of the cyclic user data
● for inputs with PROFIBUS DP 64 bit
● for outputs with PROFIBUS DP 64 bit
Inputs/ Outputs
Product function
● Parameterizable inputs Yes
● Parameterizable outputs Yes
● at the digital outputs Short-circuit protection Yes
Number of inputs
● safety-related 20
● non-safety-related 0
Input delay time 0 ... 150 ms
Type of digital inputs acc. to IEC 60947-1 Type 1
Input recording time at digital input maximum 60 ms
Input delay time at digital input maximum 150 ms
Input voltage at digital input
● at DC rated value 24 V
● with signal <0> at DC -3 ... +5 V
● for signal <1> at DC 15 ... 30
Input current at digital input
● for signal <1> typical 2.6 mA
Number of outputs
● safety-related 2-channel 4
● for testing contact-based sensors 4
Number of outputs as contact-affected switching
element safety-related
● 1-channel 0
● 2-channel 0
Number of outputs as contact-less semiconductor 2
switching element non-safety-related
Design of the contactless switching element safety- P potential
related
Recovery time of the safe outputs 0 ms
Readback time maximum 400 ms
Light test period 3 ms
Switching capacity current of semiconductor outputs 4 A
at DC-13 at 24 V
Residual current
● maximum 0.05 mA
Connections/ Terminals
Product function removable terminal Yes
Type of connectable conductor cross-sections
● solid 1x (0.5 ... 2.5 mm²), 2x (1.0 ... 1.5 mm²)
● finely stranded with core end processing 1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.0 mm²)
● at AWG conductors solid 1x (20 ... 14), 2x (18 ... 16)
● at AWG conductors stranded 1x (20 ... 14), 2x (18 ... 16)
Connectable conductor cross-section finely stranded 0.5 ... 2.5 mm²
with core end processing
AWG number as coded connectable conductor cross
section
● solid 20 ... 14
● stranded 20 ... 14
Electromagnetic compatibility
EMC emitted interference acc. to IEC 60947-1 class A
Conducted interference
● due to burst acc. to IEC 61000-4-4 2 kV (power ports) / 1 kV (signal ports)
Ambient conditions
Installation altitude at height above sea level 2 000 m
maximum
Air pressure acc. to SN 31205 90 ... 106 kPa
Certificates/ approvals
General Product Approval Functional Declaration of Conformity
Safety/Safety
of Machinery
Type Examination Miscellaneous
Certificate
other
Confirmation
Further information
Information- and Downloadcenter (Catalogs, Brochures,…)
www.siemens.com/ic10
Industry Mall (Online ordering system)
https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3SK2122-1AA10
Cax online generator
http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3SK2122-1AA10
Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
https://support.industry.siemens.com/cs/ww/en/ps/3SK2122-1AA10
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)
http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3SK2122-1AA10&lang=en
45 119.5
3 SK2 1 2 2 - 1 AA1 0
F- Q1 F- Q3 T1 _ 1 T2 _ 1 T1 _ 2 T2 _ 2
50
FAILSAFE
RESET
100
X1 X3
DEVICE
MODE
SF
SET
3 SK2 1 2 2 - 1 AA1 0
X1
Page 7/7
FE
3SK2122-1AA10
last modified:
A2- A1+
-
24V+
A2- A1+
-
A2-
-
T1_1
F-Q1 T1_2
F-IN1
F-IN3
F-IN5
F-Q2 F-IN7
F-IN9
F-IN11
F-IN13
F-Q3 F-IN15
F-IN17
F-IN19
11/29/2019
Logic
F-Q4
T2_1
12/20/2019
T2_2
F-IN2
F-IN4
F-IN6
QM1
F-IN8
F-IN10
F-IN12
F-IN14
QM2
F-IN16
F-IN18
F-IN20
SYS
X3
© Copyright Siemens
Subject to change without notice