OMRON Safety I O Terminal DST1 Series Data Sheet
Summary
These Distributed Safety I/O Terminals are designed for robust industrial automation, allowing system integrators to monitor and control safety functions across networks while significantly reducing complex wiring. Certified to rigorous standards including IEC 61508 SIL3 and ISO13849-1 (PLe), the modules ensure high reliability in critical applications. This manual provides comprehensive technical specifications, connectivity details, configuration guidelines, and detailed performance data for various models (including relay and semiconductor outputs). It is essential reading for automation engineers specifying safety control solutions that require maximum uptime and low risk.
Page 1 Text Content
Safety I/O Terminals
DST1 Series
CSM_DST1 Series_DS_E_7_4
Distributed Safety Terminals That Reduce Wiring. Lineup includes four models to accommodate various I/O types and number of I/O points. Monitor the safety system from Standard Controllers across the network. EN954-1 (Cat.4), ISO13849-1 (PLe), and IEC 61508 SIL3 certification. The DST1-XD0808SL-1 also supports logic operation functions for high-speed processing in applications requiring partial stopping of the safety system.
Ordering Information List of Models Name No. of I/O points Model
Safety inputs: 12, test outputs: 4 DST1-ID12SL-1
DST1-MD16SL-1
Safety I/O Terminals Safety inputs: 8, safety outputs (semiconductor): 8, test outputs: 4
DST1-XD0808SL-1 *
Safety inputs: 4, safety outputs (relay): 4, test outputs: 4 DST1-MRD08SL-1
Note: The standard DS1T Safety I/O Terminals are equipped with spring-cage terminal blocks, but screw terminal blocks are available if desired, e.g., to replace previous terminals. Refer to Device Net Safety Accessories. *Use the Network Configurator Ver. 2.0 or later to make DST1-XD0808SL-1 settings.
Specifications Certified Standards Specifications Certification
Standard Model
body DST1- DST1- DST1- DST1- ID12SL-1 MD16SL-1 MRD08SL-1 XD0808SL-1
EN ISO 13849-1 Item
EN ISO 13849-2
Communications
IEC 61508
TÜV Rheinland power supply 11 to 25 VDC supplied via communications connector
EN 62061
voltage
EN 61131-2
IEC 61326-3-1 I/O power supply
20.4 to 26.4 VDC (24 VDC −15%/+10%)
voltage
UL508
ISA12.12.01 (excluding the DST1-MRD08SL-1) Commu-
UL1998 nications 24 VDC 24 VDC 24 VDC 24 VDC IEC 61508-3 power 100 m A 110 m A 100 m A 110 m A
Current
supply
24 VDC 24 VDC 24 VDC
sump-
tion 24 VDC
power (Input) (Input) (Input)
supply * 130 m A 130 m A 130 m A
(Output) (Output) (Output)
Overvoltage
category Noise immunity Conforms to IEC61131-2. Vibration 10 to 57 Hz: 0.35-mm single amplitude, 57 to 150 Hz: resistance 50 m/s2
Shock resistance 150 m/s2, 11 ms
ms ms
Mounting method 35-mm DIN Track Ambient operating
−10 to 55°C
temperature
10% to 85% 10% to 95%
Ambient operating 10% to 95% (with no
(with no (with no
humidity condensation)
condensation) condensation)
Ambient storage
−40 to 70°C
temperature Degree of protection IP20 Weight 420 g 600 g 420 g
*Not including power consumption for external devices.
Page Summary Contents For OMRON Safety I O Terminal DST1 Series Data Sheet
Manual Details
| Brand | Omron |
|---|---|
| Pages | 5 |
| File Size | 976.13 KB |
| Published | June 05, 2026 |
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Frequently Asked Questions
Which model supports logic operation functions for partial safety system stopping?
The DST1-XD0808SL-1 also supports logic operation functions for high-speed processing.
What are the required certifications for these distributed terminals?
They are certified to EN954-1 (Cat.4), ISO13849-1 (PLe), and IEC 61508 SIL3.
What software is needed to configure the DST1-XD0808SL-1 settings?
Use the Network Configurator Ver. 2.0 or later for configuring the DST1-XD0808SL-1.
Are screw terminal blocks available if I need an alternative mounting option?
Yes, standard units use spring-cage terminals, but screw terminal blocks are available if desired.