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4-2 Indicators
4-2 Indicators
4-2-1 MS/NS
Indicators
This section describes the meanings of MS and NS indicators for the DST1-series
Safety I/O Terminals.
The MS (Module Status) indicator displays the status of a node on the network.
The NS (Network Status) indicator displays the status of the entire network.
The MS and NS indicators can be green or red and they can be ON, flashing, or OFF.
The meanings indicated by the combination of their colors and status are as given in
the following table.
Indicator
Color
Status
Meaning
MS
Normal operation status
Green
MS
Waiting for safety communication from the safety master
MS
System
failure
Red
MS
Minor failure (Switch settings incorrect, etc.)
Green/Red
MS
The DST1 is performing initialization process or waiting for
configuration.
MS
−
MS
Power is not supplied
NS
Online connection has been established.
Green
NS
Online connection has not been established.
NS
Unable to communicate
Red
NS
I/O communication error
NS
−
NS
Not online/Not powered
: Lit
: Flashing
: Not lit
4-2-2
Configuration Lock Indicator
The LOCK indicator indicates that the configuration data has been locked.
Indicator
Color
Status
Meaning
Lock has been completed with a valid configuration.
Lock has not been completed with a valid configuration.
LOCK Yellow
Configuration has not been performed.
: Lit
: Flashing
: Not lit
4-3
Summary of Contents for DST1 Series
Page 2: ......
Page 3: ......
Page 4: ......
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 ...