Click for EMX Menu
EMX 156 Installation Guide 2
3.If you are connecting more than one EMX 156 module
to your Infinet controller, connect the second one to the
bottom of the first.
4.Set the BOARD switch (upper right) to 1 on the first EMX
156, and the BOARD switch to 2 on the second EMX 156.
If you do not plan to connect more than one EMX 156
module, 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 156.
Figure 2. Location of External Power Connection
and External Power Supply Jumper
4. Reposition Jumper of One Module
The Berg type connector immediately to the left of the ex-
ternal power supply connection has a jumper that you
reposition to indicate you are using external power.
Figure 3 shows the jumper in the two possible positions, one
for the internal power supply, the other for the external. Move
the jumper to the external power supply position.
Connect
External
Power
Supply
Here
Move
External
Power
Jumper
EMX156
BOARD
OUTPUT
A
OVERRIDE
A
B
OUTPUT
B
LOAD
A
LOAD
B
DATE
1
2
U
L
INPUTS
VOLTS 24V
AMPS
36MA
OUTPUTS
VOLTS 240V
AMPS 3.5A
LISTED
ACCESSORY EQUIPMENT
58B2
FOR USE WITH
SCX
LCX AND TCX UNITS
,
24VDC
CLASS
I I
AUTO OFF ON AUTO OFF ON
R
Override
Switches
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. Jumper Positions for Internal and External
Power Supplies
Each is set to the internal position when you receive it.
Wire the Outputs
You wire the outputs as follows:
1.Slip the appropriate wires under the Load A screws and
tighten the screw down on it.
2.Slip the appropriate wires under the Load B screws and
tighten the screws down on it.
Figure 4 illustrates the wiring for Form A outputs.
Figure 4. Wiring Diagram for Form A Outputs
Troubleshoot
If you have problems with the Infinet controller after in-
stalling the module, see your Andover Controls
representative for details.
Refer to the EnergyNet and Infinet Configuration Guide
for information on how to troubleshoot network and pow-
er supply problems.
Jumper Position,
External Power
Supply
Jumper Position,
Internal Power
Supply
Load A
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