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Precautions for Correct Use
• Ground the frame ground (GR) terminal on the power supply to 100 Ω or less. Otherwise,
performance may deteriorate.
• The black wire in the Power Supply Cable (pin 4) is not used. Do not connect it to any termi-
nal.
• To use the Reader/Writer in Run Mode, connect the control signal wire (white) to +24 VDC of
the power supply. If you connect the control signal wire (white) to the 0-V side of the power
supply, the Reader/Writer will start in Safe Mode.
• Connect a power supply that meets the following conditions to the Reader/Writer.
Supply voltage
Output current
Safety standard
UHF RFID System V780-series Reader/Writer User's Manual (Z389)
Item
24 VDC −15% to +10%
500 mA min.
SELV (Safety Extra Low Voltage)
Condition
2 System Configuration
2
2 - 7
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