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1-4 Description of Safety Functions
1-4
Description of Safety Functions
1-4-1
DST1-series Safety I/O Terminals
Safe State
The following status is treated as the safe state by the DST1-series Safety I/O
Terminals.
•
Safety outputs: OFF
•
Output data to network: OFF
DeviceNet
Outputs: OFF
Outputs to network: OFF
Inputs
Safe
state
Therefore, the DST1-series Safety I/O Terminals must be used for applications in which
it enters into safe state when the safety outputs turn OFF and the output data to the
network turns OFF.
Self-diagnosis Functions
Self-diagnosis is performed when the power is turned ON and periodically during
operation. If an error occurs, it will be treated as a fatal error (the MS indicator will light
in red), and the safety outputs and output data to the network will turn OFF.
Access Control by Password
After configuration data had been downloaded and verified, the configuration data
within the DST1-series Safety I/O Terminals can be protected by a password.
Network Configurator
DST1 Safety I/O Terminal
DeviceNet network
Configuration data
downloaded.
Password setting
Configuration data
Note:
Refer to the
System Configuration Manual (Z905)
for password setting.
1-11
Содержание DST1 Series
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Страница 5: ...DST1 series Safety I O Terminals Operation Manual Produced April 2005 ...
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Страница 24: ...Section 1 Overview ...
Страница 44: ...Section 2 General Procedure ...
Страница 50: ...Section 3 Configuration ...
Страница 63: ...Section 4 Specifications ...
Страница 67: ...Section 5 DST1 series ...
Страница 79: ...Section 6 Troubleshooting and Maintenance ...
Страница 87: ...Section 7 Wiring Examples ...
Страница 97: ...Appendices ...
Страница 114: ...Cat No Z904 E1 01 OPERATION MANUAL DST1 series Safety I O Terminals ...