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34
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DRY CONTACT INTERFACE
Relay1
Activates if the load is on alternate source
Relay2
Activates if Source2 is the preferred source
Relay3
Activates if the output is inhibited
Relay4
Activates if an alarm occurs
Relay5
Activates if a manual XFER or maintenance bypass occurs
Relay6
BACKFD.TRIP1 (2 seconds)
Relay7
BACKFD.TRIP2 (2 seconds)
Inputs
Emergency stop
If the user presses the external emergency stop switch for more then 2
seconds STS shutdowns the output
OPTIONAL TCP/IP ADAPTOR
On standard models RS232 serial port is installed but if the user wants to use serial port and TCP/IP connection
at the same time optional TCP/IP adaptor is available.
figure – 18
Optional TCP/IP adaptor front view
The adaptor is located on to the back front panel
figure –
19 Location of TCP/IP adaptor
Sample TCP/IP and serial port connection
figure – 20
Connection of TCP/IP adaptor
Summary of Contents for InfoSTS
Page 45: ...44 Figure 28...
Page 47: ...NOTES...