Thrane&Thrane TT-6080A, Installation Manual

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Chapter 2: Installation
14 Installing the AC/DC Power Supply
AC alarm output
The AC alarm output provides an alarm signal when the AC/DC Power Supply
cannot deliver the required power from the AC input. This is the case when
• No AC power is present.
• The AC fuse is blown.
• The on/off switch is in the position off.
• The output is short-circuited or heavily overloaded.
• An internal error has occurred.
To wire the AC alarm output do as follows:
1. Connect the cable to the connector marked AC Alarm according to the
specifications in the table below:
AC ALARM (AC/DC Power Supply)
Connector type Spring terminal
Wire cross section Up to 1.5 mm
2
Terminal 1 Closed when ok
Terminal 2 Open when ok
Terminal 3 Common
Terminal 4 GND