Description
The communication bus can be changed according to user needs without changing the communication interface. This is a flexible choice based on ABB”s unique
FBP bus technology. Different bus protocols can be changed by simply changing FBP bus adapters of different types of buses (bus types) on the same FBP
bus adapter (neutral bus interface). For example Profibus or DeviceNet. This change does not require the user to make any special settings. It only requires
changing to the corresponding FBP bus adapter and making some simple configurations in the software. The control system automatically recognizes changes
in the communication protocol of the connected electrical equipment. This brings convenience to users when changing between standard fieldbuses. ABB”s AC500 series PLC
can also run as a fieldbus slave station through the FBP adapter.
image 3
3.2 Simplify the entire fieldbus
The FBP bus adapter can easily and quickly connect to any bus system to simplify the entire fieldbus. ABB is now able to offer a bus-independent interface plug-in,
which means that suppliers no longer need to redesign their products for different target bus markets. Each automation device can be connected to the bus
through the corresponding bus plug-in, and one bus protocol corresponds to one bus plug-in. For example, to connect a motor starter to the
DeviceNet bus, you only need to connect the DeviceNet bus plug-in to a standard motor starter.
This fieldbus plug-in meets all electronic data transmission needs by converting data on the connected bus into a neutral data format recognized by standard automation devices and vice versa.
ABB”s motor controllers and motor starters are equipped with a bus-independent FBP interface. All installation engineers only need to hang the prepared FBP
connection cable corresponding to the corresponding bus interface directly to the field bus.
The FBP fieldbus plug can complete the connection between some special switches and automation equipment and the process controller. The design of the plug-in is
also very simple. One end is a universal interface that has nothing to do with the bus type, and the other end is an interface that conforms to a specific bus standard.
The compact interface is equipped with an intelligent electronic conversion device, which can convert neutral device data into a language form that can be understood by buses such as AS-i or DeviceNet.
4. FBP bus adapter is used in hardware configuration of intelligent motor controller (UMC)
In order to better illustrate the flexible application of ABB FBP fieldbus adapter in intelligent motor controllers, we use ABB”s AC500 series programmable controller
and Profibus bus adapter for illustration.
Application of ABB FBP bus adapter in intelligent motor controller 1:
Figure 4 Application of FBP bus adapter in smart motors
In Figure 4, the automation control management units (PLCs) use ABB”s AC500 series PM581 as the programmable controller CPU . The CPU has: LCD display
, a set of operation buttons, an SD card expansion port and two integrated Serial communication port, CPU base plate integrates Ethernet interface , and retains
CS31 communication interface, which has the characteristics of good compatibility with AC31 series PLC.
FBP fieldbus adapter: PDP22-FBP.xxx; related cables and accessories: PDA11-FBP.xxx and PDR11-FBP.150 terminating resistor . The PLC communication master station connects
simply and quickly through the FBP bus adapter to the intelligent motor controller UMC22 with
neutral interface, soft starter and other field devices, thereby achieving a seamless connection from the control layer to the field layer. FBP bus adapters are also widely used in situations
where equipment is relatively scattered. Some sites are far apart, especially some on-site sites, which are more than 100 meters apart. Therefore, the transmission rates of all networks are set to
the same to ensure reliable communication. In addition to distributed I/O ,
circuit breakers and sensors located at the production site, the bus network system of intelligent motor controllers and frequency converters is distributed in the motor control center (IMCC) room,
which realizes centralized control of the motor and unified manage.
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