!
26
4. Lock the pins on the backs of the CQM1 Units.
DIN track mounting pin
5. Install a DIN Track Bracket on each side of the PC. To install a bracket, hook
the bottom of the Bracket on the bottom of the track, rotate the Bracket to
hook the top of the Bracket on the top of the track, and then tighten the screw
to lock the Bracket in place.
DIN Track Brackets
2-5
Wiring and Connections
This section provides basic information on wiring the Power Supply Unit and I/O
Units, and on connecting Peripheral Devices.
2-5-1 AC Power Supply Unit Wiring
The following diagram shows the proper connection to an AC power supply. The
AC voltage should be between 100 and 240 VAC. Refer to
2-2-3 Selecting a
Power Supply Unit for details on Power Supply Unit capacity.
Remove the seal from the top of the Power Supply Unit only after wiring is com-
pleted. This seal must be removed before operating the Unit to prevent over-
heating.
An insulating transformer greatly
reduces the noise that may be
induced between the power line and
ground. Do not ground the secondary
side of the insulating transformer.
The cross-sectional area of each wire must be 2 mm
2
min.
Twist the wires.
Insulating transformer
Breaker
AC power supply
Caution
Be sure that the AC power supply voltage remains within the allowed fluctuation
range of 85 to 264 VAC.
CQM1-PA216 is switchable with an input voltage range of 80 to 138 VAC or 160
to 264 VAC.
Wiring and Connections
Section 2-5