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When selecting a connectivity system the first variable to consider is whether you plan to use a standard connectivity system solution or to connect using the SmartWire-DT on machine I/O system.
If using a standard connectiveity solution your process is simple, just match your sensor connector to the appropriate mating connector and select a mating cable length.
If connecting to SmartWire-DT, other considerations come into play. In addition, real-life scenarios often call for speciality connectivity solutions. Take a look at some components that deliver on specific needs.
As always, please feel free to contact an Eaton representative who can help you determine the best solution for you specific system.
Evaluate the type and number of input and output devices in your machine controls layout.
Note that many digital I/O models in the system are built with I/O channels that can serve as inputs or outputs. These configurable channels are shipped from the factory with a default configuration as inputs, but can be easily switch to 24Vdc/500mA output channels using Eaton’s SWD-Assist configuration software described later in this reference.
Select the type of I/O module based on the type of input or output and the density of sensors in a particular location
For 1-2 sensors or other devices in a location, select a single-connector version of the SmartWire-DT On Machine I/O module. When two devices are to be used, select a splitter to enable both devices to be connected simultaneously.
For 2-4 sensors or other devices in a location, select a dual-connector version of the SmartWire-DT On Machine I/O module. When more than two devices are to be used, select one or two splitters to enable both devices to be connected simultaneously at a single connection point
For 4-8 sensors or other devices in a location, select a quad-connector version of the SmartWire-DT On Machine I/O module. When more than four devices are to be used, select splitters as necessary to enable two devices to be connected simultaneously at a single connection point
For 8-16 sensors or other devices in a location, select a octal-connector version of the SmartWire-DT On Machine I/O module. When more than eight devices are to be used, select splitters as necessary to enable two devices to be connected simultaneously at a single connection point
Once I/O modules have been placed on the machine, select interconnect cables with the appropriate lengths to run between modules. These cables are available in molded lengths of 1 foot, 2 feet, 1 meter, 2 meter, 3 meter, 4 meter, 5 meter, 10 meter, and 20 meter.
Attach a bus termination to the most distant I/O module from the control cabinet
At the control cabinet, attach a panel adapter to enable the connection from the first I/O module to the SmartWire-DT cabling inside the cabinet
Select a SmartWire-DT controller or communications gateway to operate the system. Available controllers include PLCs, combination HMI-PLC units, micro PLCs, and communication gateways for Ethernet-IP, MODBUS TCP, Profibus-DP, ProfiNET, CANOpen, Powerlink, EtherCAT, and SERCOS.
Connect the controller or communications gateway to the panel adapter using a section of flat SmartWire-DT cable cut to the appropriate length
The SmartWire-DT On Machine I/O system accommodates inputs from analog sensors and outputs to a range of analog devices using standard 4-20mA and 0-10V signals.
Four different modules are offered:
The SmartWire-DT On Machine I/O system accommodates inputs from rotary encoders. This specialty module includes one 30 kHz encoder input channel.
The SmartWire-DT On Machine I/O system accommodates temperature sensor inputs from Resistance Temperature Detectors (RTDs). This specialty module includes two configurable Pt100/Pt1000/Ni1000 temperature inputs for compatible RTDs.
Eaton offers a software program known as “SWD-Assist” which is used to plan, design, and configure a SmartWire-DT network. Once a system layout has been completed, the software will output a Bill of Materials for all necessary components. Configurations can be saved and reused in other projects.
On Machine Power Feed modules are included in the product family offering, to feed auxiliary 24 Vdc power into the SmartWire-DT On Machine I/O system. Supplemental 24 Vdc power is only needed if the total power consumption of devices connected to the SmartWire-DT system exceeds the available power from the main control cabinet connection. These modules can be connected at any location in the system, and there is no limit to the number of Power Feed modules that can be connected in a system branch.
Versions of the quad-connector and octal-connector I/O modules offer an external power connection, seen on the lower portion of the module below, that gives the user discrete control of machine actuation outputs. This can be useful in a variety of different machine control situations including machine safety applications.
Remote pilot devices of various types and from various manufacturers can be connected to a machine’s control cabinet using the SmartWire-DT On Machine system using accessory M12 connectors designed for this purpose. Assembled pilot device units can be directly connected to SmartWire-DT machine mount I/O modules to speed machine assembly, installation and commissioning.
Stacklights located remotely on a machine can be easily connected to a machine’s logic control using SmartWire-DT using accessory M12 connectors designed for this purpose. Assembled stacklight units can be directly connected to SmartWire-DT machine mount I/O modules to speed machine assembly, installation and commissioning.
A number of standard valve connectors are offered to mount directly to valves, with single M12 connectors for wiring to SmartWire-DT I/O modules. These connectors will support up to 30 W hydraulic and pneumatic valves when used with Eaton Valve Device Cables. Proportional/ON/OFF Valve Connectors are designed for compact, electronic control of non-feedback
