ALPHA2 QUICK START MANUAL

4

• Use size M4 screws when mounting by screw holes.

• The connectors must be covered to prevent injury from contact with

“live” wires.

• Leave a minimum of 10mm of space for ventilation between the top

and bottom edges of the Alpha2 Series Controller and the enclosure

walls.

• Do not disassemble the Alpha2 Series controller.

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DIN RAIL MOUNTING OF MAIN UNIT

Units can be snap mounted to 35mm DIN rail (DIN EN 50022). To

release pull the spring loaded clips away from the rail and slide the unit

off and up.

INSTALL: Align the upper side of the Alpha2 DIN rail mounting groove

with the DIN rail (#1) and push it onto the rail (#2).

REMOVE: Pull the DIN rail hook (#1) and remove the Alpha2 series

main unit (#2).

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DIRECT MOUNTING OF MAIN UNIT

Note: The Alpha2 Series controller must be used with either the

communication cable or connector cover installed. Otherwise, the

exposed socket can cause damage to the controller or an electric

shock to the operator.

4. WIRING DIAGRAMS

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END PROCESSING OF CABLE

Wire the inputs and outputs using 26 - 12 AWG wire (0.13 mm² - 3.31

mm²). To avoid damaging the wire, tighten to a torque of 0.5 - 0.6 N•m.

Stranded cable: Remove sheath, twist core wires, then connect cable

(or use a crimp terminal).

Single cable: Remove sheath, then connect cable.

71.2 (2.8")

59.2(2.34")

6 (0.24")

AL2-10MR-*

M4 Mounting Screw

6 (0.24")

124.6 (4.91")

112.6 (4.43")

6 (0.24")

AL2-14MR-*

AL2-24MR-*

M4 Mounting Screw

6 (0.24")

7mm(0.276") ± 0.5mm(0.02")

26 -12 AWG

Temperature Rating: Min. 80ºC (176ºF)

Mitsubishi Electric Automation, Inc.