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2 Introduction
This document describes the possibilities and the properties of the EM-IO-02 expan-
sion module for the frequency inverters of the ACT device series.
Note: This document exclusively describes the EM-IO-02 expansion module. I
does not provide basic information on the operation of the ACT series
frequency inverters.
The EM-IO-02 expansion module is an optional hardware component to extend the
functionality of the frequency inverter. It enables the data exchange within the net-
work between the components which have been directly connected, for example con-
trol and regulation elements.
The EM-IO-02 expansion module is supported as from software version 4.1.0 of de-
vice series ACT 201 and ACT 401.
The EM-IO-02 module extends the functionality of the frequency inverters of the AC
device series by the following additional functions:
− CAN system bus
(CAN interface ISO-DIS 11898; CAN High Speed; max. 1 MBaud)
− Analog input
(second bipolar analog input)
− Analog output
(second bipolar analog output)
− Three digital inputs
(second speed sensor input)
− Relay output
(make contacts)
− PTC thermistor connection
Note: The EM-IO-02 expansion module has been enclosed with the frequenc
inverter as a separate component and must be fitted by the user. This is
described in detail in the chapter "Mechanical Installation".
To assemble the expansion module it can be simply plugged into the frequency in-
verters of the ACT device series.
Warning! The assembly is done before the frequency inverter is put into operation,
and only in a voltage-free state.
The pluggable sockets of the expansion module enable economical overall fitting with
a safe function.
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