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1-4 Description of Safety Functions
Dual Channels, Equivalent
The status is treated as normal when both channels are ON or OFF. If one channel is
ON and the other channel is OFF, it will be treated as an error, and the safety input
data and the individual safety input status will turn OFF for both inputs.
IN0
IN1
ON
OFF
ON
OFF
Safety input 0
ON
OFF
ON
OFF
Status of safety
inputs 0 and 1
ON
OFF
Discrepancy time
Remote
I/O data
* Normal
IN0
IN1
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Discrepancy time
Remote
I/O data
* Error
Error
Safety input 1
Safety input 0
Safety input 1
Status of safety
inputs 0 and 1
1-15
Summary of Contents for DST1 Series
Page 2: ......
Page 3: ......
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Page 5: ...DST1 series Safety I O Terminals Operation Manual Produced April 2005 ...
Page 6: ......
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 ...