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1-1 Overview
1-1 Overview
1-1-1
About the DST1-series Safety I/O Terminals
The DST1-series Safety I/O Terminals support the DeviceNet Safety protocol and
provide various functions for the Safety System. The DST1-series Safety I/O Terminals
allow the user to construct a safety control/network system that meets the requirements
for Safety Integrity Level (SIL) 3 according to IEC 61508 (Functional Safety of
Electrical/Electronic/ Programmable Electronic Safety-related Systems) and the
requirements for Safety Category 4 according to EN 954-1.
The DST1-series Safety I/O Terminal’s safety I/O data is transmitted through safety I/O
communications conforming to the DeviceNet Safety Protocol, and the data processing
is performed in conducted in the Safety Network Controller (NE1A-SCPU01).
Also, the status of the safety I/O data can be monitored in a standard PLC in an existing
DeviceNet network using standard I/O communications or explicit message
communications.
Network Configurator
DST1-series
Safety I/O Terminal
DeviceNet Network
Emergency Stop
Button
Safety Door Switch
Two-hand Switch
Safety Limit Switch
Safety Light Curtain
Safety Relay
Enable Switch
Safety Relay Unit
Valve
Safety Network Controller
PLC
DeviceNet Master
Contactor
DST1-series
Safety I/O Terminal
1-2
Summary of Contents for DST1 Series
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Page 5: ...DST1 series Safety I O Terminals Operation Manual Produced April 2005 ...
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Page 24: ...Section 1 Overview ...
Page 44: ...Section 2 General Procedure ...
Page 50: ...Section 3 Configuration ...
Page 63: ...Section 4 Specifications ...
Page 67: ...Section 5 DST1 series ...
Page 79: ...Section 6 Troubleshooting and Maintenance ...
Page 87: ...Section 7 Wiring Examples ...
Page 97: ...Appendices ...
Page 114: ...Cat No Z904 E1 01 OPERATION MANUAL DST1 series Safety I O Terminals ...