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Table Of Contents

Controls and Connectors

MRX7-D Owner’s Manual

 Euroblock plug connection

Use the included Euroblock plugs when making connections

to the [INPUT]/[OUTPUT] connectors and [GPI] connector.

1. Loosen the terminal screws.

2. Insert cables.

3. Securely tighten the terminal screws.

Pull the cables (not too strongly) to confirm that they are

securely connected.

4. For the Euroblock plugs (3-pin) of the

[INPUT]/[OUTPUT] connectors, use the

included cable ties to fasten the cable to the

tab.

Cable preparation

• Use stranded wire for Euroblock connections, and

strip the wire as shown in the illustration. With a

Euroblock connection, the stranded wire may be

prone to breakage because of metal fatigue due to

the weight of the cable or due to vibration. Cables

connected to the [INPUT]/[OUTPUT] connectors

should be fastened to the tab of the Euroblock plug

(3-pin) using the included cable ties (see illustration

at right). When rack-mounting the device, use a lac-

ing bar when possible to bundle and secure the

cable.

• If cables will be frequently connected and discon-

nected, as in the case of a portable system, we rec-

ommend that you use ferrules with insulation

sleeves. Use a ferrule whose conductor portion has

an external diameter of 1.6 mm or less (1.3 mm or

less for the [GPI] connector) and a length of approx-

imately 7 mm (approximately 5 mm for the [GPI]

connector) such as the AI 0,5 - 6 WH made by the

Phoenix Contact corporation.

approx. 7 mm

(approx. 5 mm for

the GPI connector)

approx. 20 mm

NOTE

Do not tin (plate with solder) the stranded wire.

1.6 mm or less

(1.3 mm for the GPI connector)

approx. 7 mm

(approx. 5 mm for

the GPI connector)

NOTE

Use a slotted screwdriver with a blade width of 2 mm or

less for the [GPI] connector’s Euroblock plug (16-pin),

and a blade width of 3 mm or less for the [INPUT]/[OUT-

PUT] connector’s Euroblock plug (3-pin).

NOTE

Trim off the extra portion of the cable tie as necessary.

Loosen

Slotted screwdriver

Terminal screw

Euroblock plug

Tab

* The explanation uses tabbed Eurob-

lock plugs.

3 mm or less

–