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SECTION 3
Co
nnec
tion
s
and Wirin
g
RFID System
User's Manual
SECTION 3
CJ-series ID Sensor Units
Wiring for Safety and Noise Immunity
Antenna Cable and I/O Signal Lines
Wire the Antenna cable and I/O signal lines in separate ducts from power circuit cables both inside and
outside the control panel.
If the same ducts must be used, shielded cables can be used to increase resistance to noise. If a
shielded cable is used, connect one end of the shield to ground.
• Countermeasures for Inductive Loads
If I/O is connected to an inductive load, connect a surge killer or diode in parallel with the load.
Use surge killers and diodes that meet the following conditions:
(1)
Suspended ducts
Floor ducts
Conduits
(2)
(1)
(2)
(1)
(2)
(1): I/O cables
(2): Power lines
L
IN
COM
DC input
Surge killer
OUT
COM
Diode
OUT
COM
Relay contact output
Triac output
Relay contact output
Transistor output
L
+
Diode
Surge Killers
Resistance
: 50
Ω
Capacitance:
0.47
μ
F
Voltage
:
200 V
Diodes
Inrush withstand voltage: 3 times load voltage min.
Average rectified current
: 1 A
Содержание CJ1W-V680C11
Страница 62: ...60 SECTION 3 Connections and Wiring RFID System User s Manual SECTION 3 CJ series ID Sensor Units MEMO...
Страница 78: ...76 SECTION 4 I O Data Allocations RFID System User s Manual SECTION 4 Data Exchange with the CPU Unit MEMO...
Страница 118: ...116 SECTION 5 RF Tag Memory Error Correction RFID System User s Manual SECTION 5 ID Sensor Unit Functions MEMO...
Страница 158: ...156 SECTION 7 Troubleshooting RFID System User s Manual SECTION 7 Troubleshooting Alarms and Errors MEMO...
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