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1-4 Description of Safety Functions
1-4-6
I/O Status Data
In addition to I/O data, the DST1-series Safety I/O Terminals support status data to
check the I/O circuits. The status data includes the following data, for which remote I/O
communications can be performed.
•
Normal Flags (ON when there is no faults in the internal circuit and the external
wiring)
•
An AND Flag of the Normal Flags
•
Output monitors (the actual output ON/OFF status)
Normal Flags
Normal Flags indicates whether each safety input, safety output, or test output is
normal (normal status: ON, error status: OFF).
Output Monitors
The outputs monitors indicated the actual ON/OFF status of the safety outputs.
1-20
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 ...