DSAO120A 3BSE018293R1 is used to configure the device configuration and non-real-time communication
Brand ABB height 30mm rated current 220mA
Protection level adapted to motor power Applicable site Material code
IP45 28KW Power industry HIEE401782R0001
Part number DSAO120A 3BSE018293R1
Applicable pipe whether imported is weighing 2.8 kg can be sold nationwide
DSAO120A 3BSE018293R1 is used to configure the device configuration and non-real-time communication
DSAO120A 3BSE018293R1 is used to configure the device configuration and non-real-time communication
CANopen is a high-level communication protocol on the Control Area Network (CAN), including communication sub-protocols and device sub-protocols, which are often used in embedded systems, and is also a field bus commonly used in industrial control.
CANopen implements protocols above (and including) the network layer in the OSI model. The CANopen standard includes an addressing scheme, several small communication subprotocols, and an application layer defined by the device subprotocols. CANopen supports network management, device monitoring, and internode communication, including a simple transport layer that handles segmented transfer and combination of data. In general, the data link layer and the entity layer are implemented using CAN. In addition to CANopen, there are other communication protocols (such as EtherCAT) that implement device subprotocols of CANopen.
DSAO120A 3BSE018293R1 Basic CANopen devices and subprotocols are defined in CAN in Automation (CiA) draft standard 301. Medium. The sub-protocols for individual devices are expanded based on CiA 301. For example, CiA401 for I/O modules and CiA402 for motion control.
Device model
Here are the features that all CANopen devices should have:
The DSAO120A 3BSE018293R1 communication unit handles the communication protocols needed to communicate with other modules on the network. The startup and reset of the device is controlled by the state machine. The state machine must include the following states: Initialization, Pre-operational, Operational, and Stopped. When a Network Management (NMT) communication object is received, the state transitions to the corresponding state. An Object Dictionary is an array of variables with a 16-bit Index. Each variable can (but does not have to) have an 8-bit Subindex. Variables can be used to adjust the configuration of the device, and can also correspond to the data measured by the device or the output of the device. When the state machine is set to operational, the application portion of the device implements the intended functionality of the device. This part can be adjusted by variables in the object dictionary, and the data is transmitted or received by the communication layer.
Object dictionary
CANopen devices are required to have an object dictionary for device configuration and non-real-time communication. The entry definition of the object dictionary is as follows:
Index: The 16-bit address of the object. Object name: A symbolic type that represents an object, which can be an array, a record, or just a variable. Name: A string describing this entry. Type: The data form of a variable. Attribute: DSAO120A 3BSE018293R1 Provides information about whether this entry is readable or writable. There are four types of information: read/write, read-only, write-only, and read-only constant. The Mandatory/Optional fields define whether devices belonging to a specific device specification must implement certain objects. Basic data types in object dictionaries are defined in the CANopen standard, including logical values, integers, and floating-point numbers. Composite objects such as arrays, records, and strings are also defined. A composite object uses an 8-bit value as its subindex. Record or array location of neutron index 0 records the number of elements in this data structure of the data type UNSIGNED8.
DSAO120A 3BSE018293R1 is used to configure the device configuration and non-real-time communication
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