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Connecting a Modbus device
Each Modbus device will need to be configured to a unique bus address and
for the same communication settings as the ezeio
™
. Refer to the device
manual for details on how to configure the device.
In some cases the device can be powered from the ezeio
™
. In other cases the
device needs a separate power supply. Refer to the device manual for details.
The ezeio
™
needs to be configured with the device address to communicate
with the new device. Refer to Configuring Modbus Devices
page 52 for
details.
Always run the Common/Ground wire to all devices on the bus.
Note that some devices have other markings for A/B, such as “D0/D1” or
“+/-”. Do not confuse bus +/- with power terminals. Connecting power to
A/B terminals will likely damage the equipment.
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