User's Manual

Connecting Equipment to the Power Supply Unit
4-3 Power Supply TRM95 Installation and Connection
Connecting Equipment to the Power Supply Unit
The TRM95 unit has 2 separate outputs (12Vac/1A and 22Vac/2A) to power up Readers RD21 and
Exciters EX21. Inputs AC mains and output voltages must be connected to the terminal block
placed inside TRM95 and clearly marked.
Attention Do not exceed the load ratings specified for each output: 1A for the 12Vac, and 2A for the 22Vac.
On the 22Vac source, the 2 terminal blocks are connected in parallel for each output terminal.
Always use a 3-wire cable to connect the equipment to the Power Supply unit. Always connect the
ground wire of each cable to the terminal block that is indicated by
Connecting the AC Mains Supply
Connect the power lines cable to the internal terminal block of the TRM95 unit as follows:
• Live (phase) - to the terminal marked L
• Neutral - to the terminal N
• Ground - to the terminal marked
For more information, see Chapter 8, Lyngsoe Industries TRM95 Power Supply (600579) &
(600626).
IMPORTANT Before you connect power to the Power Supply unit, re-check the following:
• The Power Supply model and rating against the installation plan and line voltage
• The Power Supply fuse rating
• All cable connections to the Power Supply’s internal terminal block
• All cable access into the Power Supply’s enclosure, making sur that they are properly secured
and protected.