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Caution

Be sure you disconnect the Infinet controller's AC power

source before you connect any modules.

1.Look at the bottom panel of your Infinet controller. On

that panel is an expansion port in approximately the

center of the panel.

2.Look at the EMX 151 module. Notice that it has a

connector on the top and on the bottom. Plug the top

connector into the Infinet controller.

3.If you are connecting more than one EMX 151 module

to your Infinet controller, connect the second one to the

bottom of the first.

4.Set the BOARD switch to 1 on the first EMX 151 on the

controller, and the BOARD switch to 2 on the second

EMX 151. If you do not plan to connect more than one

EMX 151, you should set the BOARD switch to 1.

Never set two modules of the same model number to the

same board number.

3. Connect the External Power Supply

(if necessary)

If you are installing multiple modules, you may need an

external power supply. To determine what you need, refer

to the ACC EMX Modules Configuration Guide.

Figure 2 shows where you connect the external power supply to

the 2-pin Berg type connector on the EMX 151.

Figure 2. Location of External Power Connection

and Jumper for External Power

EMX151

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Click for EMX Menu

BOARD

Connect

External

OUTPUT

RET

Power

Supply

Here

OUTPUT

RET

Power

Supply

EXTERNAL

Jumper

POWER

EMX 151 Installation Guide-2

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4. Reposition Jumper on One Module

The Berg type connector immediately below the external

power supply connection has a jumper that you reposition

to indicate you are using external power.

You change the jumper position only on the module or mod-

ules connected to the external power supply, not on any other

modules.

Note

You need to change the jumper position only on the mod-

ule(s) actually connected to an external power supply. Never

change the jumper position of other modules.

Figure 3 shows the jumper in the two possible positions,

one for the internal power supply, the other for the external.

Figure 3. Jumper Positions for Internal and External

Power Supplies

Jumper Position,

Internal Power

Supply

Each is set to the internal position when you receive it.

Wire the Outputs

Wire Voltage Outputs

You wire the outputs for voltage as follows:

1.Slip the appropriate wire under the V screw and tighten

the screw down on it.

Figure 4 illustrates the wiring for voltage outputs.

Figure 4. Wiring Diagram for Voltage Outputs

RET

–

2.Slip the ground wire under the RET screw and tighten

the screw down on it.

Wire Current Outputs

You wire the outputs for current as follows:

Jumper Position,

External Power

Supply

RL > or = 4 KΩ