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Short description
I/O module 2 safe type A digital inputs, 2 pulse outputs, 24 VDC, 2 relays with 1 normally open contact each, 48 VAC / 6 A, 24 VDC / 6 A
General information
B&R ID code 0xA7A4
System requirements
Automation Studio 3.0.80 or later
Automation Runtime 3.00 or later
SafeDESIGNER 2.70 or later
Safety Release 1.2 or later
Status indicators I/O function per channel, operating state, module status
Module run/error Yes, using status LED and software
Outputs Yes, using status LED and software
Inputs Yes, using status LED and software
Blackout mode
Scope Module
Function Module function
Standalone mode No
Max. I/O cycle time 1 ms
Power consumption
Bus 0.26 W
Internal I/O 1.15 W
Electrical isolation
Channel - Bus Yes
Channel - Channel Yes
CE Yes
Functional safety cULus FSPC E361559
Energy and industrial systems
Certified for functional safety
ANSI UL 1998:2013
Functional safety IEC 61508:2010, SIL 3
EN 62061:2013, SIL 3
EN ISO 13849-1:2015, Cat. 4 / PL e
IEC 61511:2004, SIL 3
Functional safety EN 50156-1:2004
ATEX Zone 2, II 3G Ex nA nC IIA T5 Gc
IP20, Ta (see X20 user's manual)
FTZÚ 09 ATEX 0083X
UL cULus E115267
Industrial control equipment
HazLoc cCSAus 244665
Process control equipment
for hazardous locations
Class I, Division 2, Groups ABCD, T5
DNV GL Temperature: A (0 - 45°C)
Humidity: B (up to 100%)
Vibration: A (0.7 g)
EMC: B (bridge and open deck)
KR Yes
KC Yes
EN 50155 Yes
EN 50205 Yes
Safety characteristics
EN ISO 13849-1:2015
MTTFD 2500 years
Mission time Max. 20 years
IEC 61508:2010,
IEC 61511:2004,
EN 62061:2013
Module <1*10-10
openSAFETY wired Negligible
openSAFETY wireless <1*10-14 * Number of openSAFETY packets per hour
PFD <2*10-5
Proof test interval (PT) 20 years
Safe digital inputs
EN ISO 13849-1:2015
Category Cat. 3 when using individual input channels,
Cat. 4 when using input channel pairs (e.g. SI1 and SI2) or more than 2 input channels
DC >94%
IEC 61508:2010,
IEC 61511:2004,
EN 62061:2013
SFF >90%
Safe relay channels
EN ISO 13849-1:2015
Category Cat. 1 if the relay channel is used individually,
Cat. 4 if both relay channels are connected in series
PL PL c if the relay channel is used individually,
PL e if both relay channels are connected in series
DC1, 24 VDC 6 A / 780,000
AC1, 48 VAC 6 A / 780,000
AC15, 48 VAC 3 A / 1,960,000
DC13, 24 VDC 5 A / 780,000
IEC 61508:2010,
IEC 61511:2004,
EN 62061:2013
SIL CL SIL 1 if the relay channel is used individually,
SIL 3 if both relay channels are connected in series
I/O power supply
Nominal voltage 24 VDC
Voltage range 24 VDC -15% / +20%
Integrated protection Reverse polarity protection
Safe digital inputs
Variant Type A
Nominal voltage 24 VDC
Input characteristics per EN 61131-2 Type 1
Input filter
Hardware ≤150 μs
Software Configurable between 0 and 500 ms
Input circuit Sink
Input voltage 24 VDC -15% / +20%
Input current at 24 VDC Max. 4.59 mA
Input resistance Min. 5.23 kΩ
Error detection time 100 ms
Insulation voltage between channel and bus 500 Veff
Switching threshold
Low <5 VDC
High >15 VDC
Cable length between pulse output and input Max. 60 m with unshielded line
Max. 400 m with shielded line
Relay outputs
Variant 2 relays, each with 1 normally open contact, internal high-side and low-side control
Diagnostic status Contact position determined by positively driven contacts
Max. switching frequency 10 Hz
Switching delay
0 → 1 <50 ms
1 → 0 <50 ms
Insulation voltage between channel and bus Safe disconnection of 300 VAC per EN 50178
Insulation voltage between channel and channel 48 VAC
Contact resistance (without terminal block) 20 mΩ
Contact service life See "Contact service life".
Short-circuit protection, overload protection External 6 A gL/gG fuse (blow-out fuse), LS automat C characteristic 1.6 A
Switching voltage range 5 to 24 VDC, 5 to 48 VAC
Switching current range 5 mA to 6 A
Coil voltage 24 VDC -15% / +20%
Short-circuit proof Yes, 1000 A (with specified short-circuit / overload protection)
Max. inrush current 30 A for 20 ms
Overvoltage category per EN 60664-1 II
Max. switching capacity
AC1 48 VAC / 6 A
AC15 48 VAC / 3 A
DC1 24 VDC / 6 A
DC13 24 VDC / 5 A / 0.1 Hz
Pulse outputs
Variant Push-Pull
Nominal output current 50 mA
Output protection Shutdown of individual channels in the event of overload or short circuit
Peak short-circuit current 25 A for 5 ms
Short-circuit current 1.4 Aeff
Leakage current when the output is switched off 0.1 mA
Residual voltage 0.3 VDC
Switching voltage I/O power supply minus residual voltage
Total nominal current 100 mA
Operating conditions
Mounting orientation
Horizontal Yes
Vertical Yes
Installation elevation above sea level 0 to 2000 m, no limitation
Degree of protection per EN 60529 IP20
Ambient conditions
Horizontal mounting orientation 0 to 60°C
Vertical mounting orientation 0 to 50°C
Derating See section "Derating".
Storage -40 to 85°C
Transport -40 to 85°C
Relative humidity
Operation 5 to 95%, non-condensing
Storage 5 to 95%, non-condensing
Transport 5 to 95%, non-condensing
Mechanical properties
Note Order 1x safety-keyed terminal block separately.
Order 1x safety-keyed bus module separately.
Pitch 25+0.2 mm
Malzeme Numarası:
  • 2 safe digital inputs, sink circuit
  • 2 pulse outputs
  • Software input filter configurable for each channel
  • 2 safe relay outputs
  • Output type "Relay"
  • Relay module for 48 VAC / 24 VDC
  • Switching current 6 A
  • Normally open contact
  • Single-channel isolated outputs

The module is equipped with 2 safe digital inputs and 2 safe relay outputs. It is designed for a nominal voltage of 24 VDC.

The module can be used to read digital signals and for floating control of actuators in safety-related applications up to PL e or SIL 3.

The module is equipped with filters that are individually configurable for switch-on and switch-off behavior. The module also provides pulse signals for diagnosing the sensor line.

Safety relays are installed in the module. The positively driven feedback contacts are evaluated internally by the module. Safe digital output channels provide protection against automatic restart when network errors occur.

This module is designed for X20 12-pin terminal blocks.

Gerekli aksesuarlar
Bus modules
X20BM33 X20 bus module, for X20 SafeIO modules, internal I/O power supply continuous
X20BM36 X20 bus module, for X20 SafeIO modules, with node number switch, internal I/O power supply continuous
Terminal blocks
X20TB52 X20 terminal block, 12-pin, safety-keyed
Araçlar / Faydalı Programlar / Örnekler Version (Date) Download
Sistema library ZIP / 319 KB
Automation Studio Donanım Güncellemeleri Version (Date) Download
V3.0 HW Upgrade (X20SC2432) EXE / 3 MB
V4.0 HW Upgrade (X20SC2432) EXE / 3 MB
V4.6 HW Upgrade (X20SC2432) EXE / 1 MB
Dokümantasyon Version (Date) Download
Data sheet X20(c)SC2432 - Legacy PDF / 1 MB
Data sheet X20(c)SC2432 - mapp Safety PDF / 813 KB
E-CAD (Elektrik veya EPLAN Taslakları) Version (Date) Download
X20 EPLAN P8 from V2.4 EXE / 161 MB
M-CAD (Mekanik Taslaklar) Version (Date) Download
3D File STEP/DXF X20SC2432 dummy ZIP / 42 KB
3D file STEP/DXF X20(c)Sxxxxx ZIP / 117 KB
DFX File I/O Slice ZIP / 4 KB
DXF File X20SC2432 ZIP / 126 KB
Dimensions PDF X20 I/O Slice PDF / 45 KB
Sertifikalar Version (Date) Download
244665 CSA HazLoc Certificate of Compliance X20, X67 PDF / 56 KB
ABS Type Approval Certificate - X20 IO Series PDF / 2 MB
DNV GL Type Approval Certificate - X20 / Power Panel T30 PDF / 164 KB
E115267 UL CoC X20 PDF / 847 KB
FS Certificate SafeDESIGNER, SafeLOGIC, SafeIO PDF / 2 MB
FS Certificate mapp Safety PDF / 4 MB
FS EN 50156 Zertifikat SafeLOGIC, SafeIO PDF / 314 KB
FTZU 09 ATEX 0083X PDF / 697 KB
KR Type Approval Certificate MIL39390-AC003 (X20 System) PDF / 758 KB
Lloyds Register PDF / 506 KB

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