A dynamically adjustable rate sulfur recovery process continuously calculates and adjusts sour gas stream operating pressure and/or flow rate to maximize sweet gas output, thereby improving efficiency. A corresponding desulfurization system may include a fixed-sized pressure vessel, a flow control valve that controls the rate of flow of a sour gas stream into the pressure vessel, a sensor that measures sulfur concentration in the sour gas stream, a reagent tank, an oxidizer tank, and a phase separator that separates sweet gas as a gaseous phase after hydrogen sulfide in the sour gas stream in the pressure vessel is converted to elemental sulfur, sulfur species, or both by contact with reagent from the reagent tank and oxidizer from the oxidizer tank. A PLC (programmable logic controller) continuously calculates updated flow rates based on sulfur concentration measurements from the sensor to achieve maximum sweet gas production.

An intelligent off-peak power distribution system may include a plurality of power consumption ends powered by a plurality of batteries. Each of the batteries is individually programmed with an electronic code, and the batteries are charged by at least a power supply end, and the charging method thereof is to use off-peak power to perform charging during off-peak hour. At least a distribution vehicle is provided to transport the batteries between the power consumption ends and the power supply end, and a smart communication network is communicated with the power consumption ends, the distribution vehicle, and the power supply end. The batteries are available and transported between the power consumption ends by the distribution vehicle so that the distribution vehicle departing from the power supply end is configured to distribute power to more power consumption ends in a single ride, thereby reducing the power and transportation costs.

A system and a method for accurately testing gas leak detectors by considering multiple operational parameters as per the standard requirements are disclosed. The system comprises one or more gas cylinders, a test execution chamber, mass flow controllers (MFCs), and a control system. The test execution chamber is connected to the gas cylinders via test gas pipelines and a plurality of valves, and the mass flow controllers. The test execution chamber further comprises a first chamber and a second chamber, which are connected to form a closed cycle, thereby saving consumption of the testing gases. The control system in communication with the mechanized system, thereby controlling the operation of the system for accurately testing the gas leak detector test samples. The performance of the one or more gas leak detector test samples is controlled by adjusting the density of the testing gas to a predetermined value and as per the standard requirements.

A programmable logic controller (PLC) system includes a PLC module connectable to an external device (19) and a data collection-analysis module (13). The data collection-analysis module (13) is connected to the PLC module through signal lines (16). The data collection-analysis module (13) includes a real-time processor (21) that is operable by a real-time operating system and performs, when target data collected from the PLC module through the signal lines (16) has a size less than or equal to a size threshold, a computation on the target data to generate control data for controlling the external device (19), and a general-purpose processor (31) connected to the real-time processor (21) to perform, when the real-time processor (21) does not perform a computation on the collected target data, a computation on acquired target data to generate the control data.

A programmable logic controller (PLC) system includes a PLC module connectable to an external device (19) and a data collection-analysis module (13). The data collection-analysis module (13) is connected to the PLC module through signal lines (16). The data collection-analysis module (13) includes a real-time processor (21) that is operable by a real-time operating system and performs, when target data collected from the PLC module through the signal lines (16) has a size less than or equal to a size threshold, a computation on the target data to generate control data for controlling the external device (19), and a general-purpose processor (31) connected to the real-time processor (21) to perform, when the real-time processor (21) does not perform a computation on the collected target data, a computation on acquired target data to generate the control data.

A sideband communication system has been developed for a conveyor system. A controller card controls the operation of a conveyor zone and communicates information about each conveyor in the conveyor zone. The controller card is assigned to control and monitor the operation of one or more of these zones of conveyors. The cards of adjacent zones are daisy-chained together to facilitate communication with one another and with other systems like a programmable logic controller (PLC). In addition to the standard controller area network (CAN) communication protocol, the controller cards further communicate amongst themselves using a sideband communication protocol that is outside the realm of the standard CAN communication protocol. The sideband communication protocol allows the cards to communicate with each other without interfering with normal network communications which provides additional capabilities such as automatic card self-identification.

A method of controlling the sequence of program parts has the following steps: initiated by the occurrence of a first event (E1), executing a first program part (P1) on a first arithmetic logic unit (RW1), wherein the first event (E1) and/or the first program part (P1) is/are assigned a first priority (Py1), and initiated by the occurrence of a second event (E2), interrupting the execution of the first program part (P1) and then executing a second program part (P2) on the first arithmetic logic unit (RW1), wherein the second event (E2) and/or the second program part (P2) is/are assigned a second priority (Py2) that is higher than the first priority (Py1), wherein the first and/or the second program part (P1, P2) is/are a function block in the sense of IEC 61499 or a part thereof or a data transmission initiated thereby.

A method of controlling the sequence of program parts has the following steps: initiated by the occurrence of a first event (E1), executing a first program part (P1) on a first arithmetic logic unit (RW1), wherein the first event (E1) and/or the first program part (P1) is/are assigned a first priority (Py1), and initiated by the occurrence of a second event (E2), interrupting the execution of the first program part (P1) and then executing a second program part (P2) on the first arithmetic logic unit (RW1), wherein the second event (E2) and/or the second program part (P2) is/are assigned a second priority (Py2) that is higher than the first priority (Py1), wherein the first and/or the second program part (P1, P2) is/are a function block in the sense of IEC 61499 or a part thereof or a data transmission initiated thereby.

Various embodiments of the teachings herein include a closed-loop and open-loop control device without integrated facility or with reduced integrated facility for operating and/or monitoring. The device may include: an attachment apparatus for attaching an external operating device; and a communication connection to receive user input from an input unit of the external operating device. The communication connection is used to provide information to an output unit of the external operating device.

A programmable logic controller (PLC) with voice control includes a CPU configured to run an application program, a condition monitoring system (CMS) configured to provide condition data of an industrial unit, a microphone input for providing microphone data, the microphone input connected with the CMS, which is configured to receive the microphone data, determine an audio file using the received microphone data, and provide the audio file to the CPU; wherein the application program is configured to determine a control command for the PLC using the provided audio file.