Access control time

Access control technician required. Must be Psira registered and have technical background on CCTV, Access control systems.

Network, Cyber security, Access control, surveillance and Helpdesk Support. Network design, installation and maintenance. Firewall, Antimalware installation and maintenance. Biometric access control with surveillance system. End user helpdesk support.

Service and maintain alarm systems for domestic, commercial and industrial sectors. Minimum Qualifications And Experience Required • Matric or Equivalent • Valid driver’s license essential • Knowledge of CCTV, Intercom systems and access control Main Duties And Responsibilities • Conduct service calls / maintenance and repairs • Complete links up for new clients • Complete small installations as and when required • Ensure that job reports and technical invoices are completed accurately and timeously • Ensure that quotes are completed accurately

A position is available at an FMCG company in Port Elizabeth for a Loss Control Officer to ensure the application and compliance with Loss control policies to prevent damages and losses. PURPOSE OF THE POSITION: To ensure application of, and compliance with Loss Control policies to prevent damages and losses RESPONSIBILITIES: Perform Safety and Loss Control functions • Assist with crate management activities • Contribute to curbing product losses • Investigate incidents and compile reports • Conduct ad-hoc investigations (e.g. product damages) • Monitor security systems (e.g. alarm systems, access control, camera systems) • Coordinate safety aspects in line with OHS Act • Assist with the management of certain site services (e.g. Security services) REQUIREMENTS: • Grade 12 or equivalent qualification • Relevant experience in applying job related concepts, techniques and processes at the required level • Business English: Fluent • Computer literacy (Intermediate) • Code 08 Driver's license • Travel off-site/overnight stay • Work shifts/weekends/public holidays

Overview The automatic control for the molten steel level of the mold is one of the key technologies of continuous casting production. It is very important to reduce the labor intensity of workers, improve production efficiency, improve the quality and output of casting billet, reduce overflow and breakout of steel and improve the management level of steelmaking and continuous casting. The molten steel is poured into the mold. In order to prevent overflow, the molten steel level must be kept stable. Otherwise, during the casting process, if the level will fluctuate too much, and slag will be involved, forming surface slag inclusion on the surface of the casting billet, affecting the quality of the billet. The test points out that the relationship between the level fluctuation and the depth of casting billet surface slag inclusion is as follows: The experience has shown that surface slag inclusions can be eliminated when the level fluctuation is within ±10mm. At the same time, if the level fluctuation is more than 10mm, the rate of longitudinal cracks on the casting billet surface is 30%. It means that the level fluctuation directly affects the surface quality of the casting billet. The principle of the system The eddy current type molten steel level gauge is the key to the system. The system operates reliably and has excellent performance: high temperature resistance, strong anti-interference ability, fast dynamic response (lag time 0.10s), high detection accuracy (±05mm), and large measurement range (0-150mm). The selected electromagnetic field frequency ensures that the level detection probe only detects the level change of the mold and does not detect the mold flux or steel slag layer. The system has the advantages of simple operation and no radiation protection problems. The system is insensitive to argon blowing, and its sensors can be mounted on the tundish car or on the platform. The sensor is cooled by compressed air during use. The principle is shown in the figure A high-frequency exciting winding is installed above the molten steel surface of the mold. The high-frequency magnetic field generated by the high-frequency exciting winding induces eddy currents on the molten steel surface to form a magnetic field. The magnetic field generated by the induced eddy current is in the opposite direction to the magnetic field generated by the high-frequency exciting winding, which changes the impedance of the high-frequency exciting winding. Under the condition that the winding material and structure, steel grade, temperature remain unchanged, the coil impedance change only has a single-value function relationship with the height of the molten steel level. As long as the impedance change of the high-frequency winding is detected, the change of the molten steel level in the mold can be converted. The components of the system Continuous casting mold level automatic control system is composed of eddy current tyoe molten steel level gauge, controller and digital actuator for adjusting the opening of tundish stopper. The detection end of the mold level automatic control system is ① eddy current displacement sensor, which uses the eddy current mutual inductance effect between the energized coil and the metal conductor to detect the distance. The effective signal of the eddy current sensor is amplified and linearized by the circuit of ② mold level gauge, which converts the 0-150mm change in the molten steel level of the mold into a standard signal of 4-20mA.DC, and then transmits it to the ③ control computer to complete data processing and system control functions. We can also control the actuator manually and automatically through the ④on-site operation display control panel, and the opening of the stopper is controlled by the ⑤ actuator to realize the automatic control of the molten steel level. 1 Eddy current sensor; 2 mold level gauge; 3 control computer; 4 On-site operation display control panel; 5 digital actuator; The control principle of the system The system can be set to four control modes: automatic, semi-automatic, manual and motor clutch. The automatic mode is the closed-loop control system of the molten steel level, and control the opening of the stopper by the digital actuator; the semi-automatic mode uses opening degree setter and digital actuator to set the opening of the stopper manually; the manual mode is to open and close the button directly to control the opening of the stopper; the motor clutch mode is quickly changed from any of the above control methods to manual stopper operation. The functions of the system also include: display and record of molten steel level, nozzle opening and casting speed; setting of molten steel level and nozzle opening; alarm of molten steel level at limit value etc. In addition to taking the detection of molten steel level as the main feedback signal of the control system, the control system also considers various interference factors that have an impact on the level control. These interference factors include: 1. The influence of the change of the flow characteristics on the control system after the melt loss of the stopper 2. The influence of the weight change of molten steel in the tundish on the control system 3. The influence of the change of the casting speed of the continuous casting machine on the control system 4. The influence of the mold width change (the mold width is adjustable) on the control system 5. The influence of the vibration frequency and amplitude of the mold on the molten steel level gauge The function and software implementation In order to overcome these disturbances, the mold level control strategy adopts PID control. And on the basis of PID control, self-adaptive correction and feedforward control are introduced to form an advanced control system. The level control is the main loop, and there is a proportional gain of the main loop controller. According to the self-adaptive correction of the mold width change and feedforward compensation of casting speed, so as to further reduce and eliminate liquid level fluctuations caused by mold width adjustment and casting speed changes. In order to reduce the frequent action of the stopper, the system adopts the intergarting time change of the controller, and automatically selects a longer intergarting time when the molten steel level fluctuates lightly. And the system will choose a shorter intergrating time when molten steel level fluctuates greatly. Thereby, the fluctuation of the controlled object caused by the frequent action of the stopper rod is suppressed. In the signal processing of molten steel level gauge, an appropriate filtering link is added and the vibration frequency synchronous filter is used for filtering processing, which can overcome the interference of mold vibration frequency and amplitude variation.

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We are looking for reliable shoppers in the Northern Cape (Kathu, Kuruman, Postmansburg, Kakamas, Upington, Olifanshoek) to evaluate and assess the service at petrol stations. Applicant should: 1. Have a valid drivers licence & own transport /access to a car 2. Computer literate 3. Have internet access 4. Have a camera on their phone that takes good pictures 5. Fluent in English Should you be interested, please respond with your email address, area where you are based and telephone number.

Cisco part time job We are a small business south African company with offices in Pretoria and currently have an on-going contract with an international firm to assist with Cisco calls around PE region. Currently looking for Qualified and experienced cisco engineers to join our team and attend calls on a part time basis. You should be available to attend and resolve the calls within 3 days during office hours. You must have the following: -Laptop. -Internet access. -Smartphone to take pics. -Console cable. -Cisco router to do testing. Remuneration is hourly and to be negotiated and paid on the 20th of the following month. If your honest, reliable and experienced enough to work on your own, please contact us using the below details: Services@thescreenteam.co.za 063 138 8942

Erna Potgieter Administrator seek full time employment, currently on half day. I am a hardworking honest worker that enjoys work either in a team or on my own. I can handle multiple tasks daily and am dependable and great with time management. My experience achieved was through hard work and eagerness to learn new skills. Customer excellence drives my focus. Some certificates obtained: ITIL V3 Service Offerings and Agreements ITIL V3 Foundation Customer Service – Seesa Leadership and Mentoring – Seesa Junior Management – Seesa OHSA - Seesa Experience obtained in: Branch Administrator Service Level Reporter Costing Clerk Wages Time Management Creditors Debtors Internal Sales Stock Control / Stock Take Petty Cash Tender preparation Project Management (ensuring hours / material allocated is not exceeded) Programmes worked on: SAP (Debtors) Microsoft Office Package Syspro Dropbox E-Sign Please respond if you require me to send my CV.

The composition of the system The photoelectric strip automatic center position control system is mainly composed of sensors, amplifiers, PLC controllers, hydraulic control and other parts. System composition block diagram The main technical parameters 1. Detection width: 300-2800mm 2. Detection light source: 220VAC. (100VAC) 30W. High frequency white light works continuously 3. Photodetector: precision die-casting components, time constant 20ms 4. Maximum working voltage: 50VDC 5. Distance from receiver to emitter: 300-1000mm 6. Operating temperature: 0℃-60℃ 7. Resolution: 0.5mm 8. Linearity: ±1%F.S (after linearization) 9. Repeatability error: △R1%, F.S 10. Servo-valve working signal: ±10V 11. Rated pressure (oil pressure): 4.5Mpa 12. Rated flow: 30L/min 13. Symmetry: 10%

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Are you a qualified and registered pest control officer/ technician? Are you unemployed and willing to work as a casual for a large Company? Do you live in the Port Elizabeth area? If you answered yes to all the above, please respond to this advert with your latest CV. Should you not receive a response back from us within 2 weeks from the date you replied to this email, your application was not successful.

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