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Sensor Networks and Communication
Published in John G. Webster, Halit Eren, Measurement, Instrumentation, and Sensors Handbook, 2017
Interbus-S was developed by Phoenix Contact [6] and is controlled by the Interbus-S Club. The topology of the network is a ring, with data being sequentially shifted from point to point on the ring under the control of a network master. Each device in the ring acts as a shift register, transmitting and receiving data simultaneously at 500 kHz. The actual serial data transmission between stations conforms to RS-485. Interbus-S transmissions include a CRC for error detection. Interbus-S (Interbus-S remote bus) has also been extended to include a subprotocol called Interbus sensor loop (or Interbus-S local bus). This subprotocol provides an alternate physical layer, with a single twisted pair carrying power and data on the same lines and a reduction in the minimum size of the shift register in each station from 16 to 4 bits. Each Interbus sensor loop system can act as a single station on an Interbus-S network, or the sensor loop can be connected directly to a controller or master. Interbus-S devices are usually implemented with a special ASIC.
Lower Level Industrial Networks: Fieldbus
Published in Viktor Boed, Ira Goldschmidt, Robert Hobbs, John J. McGowan, Roberto Meinrath, Frantisek Zezulka, of Facilities Automation Systems, 1999
Interbus-S was introduced as an open system for industrial controls on the sensor actuator level in 1987. It became a German standard DIN 19258. The Interbus-S protocol provides services to simple sensor/actuators as well as to more complex, so-called intelligent transducers. This lower level bus connects the field gear (sensor/actuators) to higher level programmable controllers or computers. It unites traditional voltage (i.e., 0 to 24 V), current (4 to 20 mA), and RS-232 connections into a single bus open system. Savings on design, wiring, and system startup characterize the Interbus-S connections. As a result, there are hundreds of thousands of field components on the market in compliance with Interbus-S open protocol. Automotive companies such as BMW, Mercedes, Audi, etc., as well as other industries, use Interbus-S for their automation networks.
Industrial Data Transmission
Published in Sandeep Misra, Chandana Roy, Anandarup Mukherjee, Introduction to Industrial Internet of Things and Industry 4.0, 2021
Sandeep Misra, Chandana Roy, Anandarup Mukherjee
Interbus is a fast and robust enterprise-grade networking protocol relying on serial data transmission for communication between controllers, systems/computers, and sensors/actuators [152]. It follows a ring topology for connecting all the devices in its network and has a master-slave architecture. The main advantage of this protocol is its low susceptibility. More than 17 million devices world over, use this protocol. Modern systems can connect Interbus with Ethernet for achieving standardization of industrial communication. At any time, Interbus supports a maximum of 512 subscribers to its network, which can leave or join the network without hindering the operation of the other subscribers.
Design of smart connected manufacturing resources to enable changeability, reconfigurability and total-cost-of-ownership models in the factory-of-the-future
Published in International Journal of Production Research, 2018
Stelian Brad, Mircea Murar, Emilia Brad
The generic architecture from Figure 3 was implemented into effective CPS solutions, illustrated in Figure 9, according to design requirements, performance requirements and C–R capability index required by the second scenario. This considers the CPS for the dual arm industrial robot in order to reach seven communication interfaces as required by the second scenario, and an FRDM-KL46Z development board featuring three communication protocols (I2C, UART, SPI), while the robot controller has four fieldbuses (Ethernet, Ethernet/IP, Interbus-S, DeviceNet). Considering the design requirements, the development board runs a real-time operating system, and uses a built-in debug interface via USB and a number of 84 GPIO to interface with external devices. When all I/O pins are used, it requires 400 mA, therefore for simple to medium applications current consumption shall be under 250 mA. The dual arm industrial robot and the three-finger adaptive gripper are interfaced to the CPS using the robot I/O board (Figure 9). These two manufacturing resources are designed to handle parts in the manufacturing system. For the complete integration of the robot and the three-finger adaptive gripper, specific robot tasks are also added by means of a dedicated robot application programme. By enabling/disabling I/O signals, the CPS associated to the robot calls specific routines on the robot controller’s side. The second gripper in the case study is a two-finger electric gripper. It is used to assist gripping tasks and it is mounted on the second arm of the industrial robot. This gripper is controlled by a proprietary control unit. It is interfaced to a CPS using a parallel I/O port control unit (Figure 9).