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Stock Electronics
Unit 17, Thinus Barnard Lane, Duncanville, Vereeniging
Core business offering: Instrumentation, automation products, electronic components, electronic projects, PLCs, project development, PLC programming and scada development, control panels, solar systems, 3D printing, laser cutting and engraving.
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Section - Computers & Software
-Computers
- servers
- workstations
-Motion control system design
-Applications
- Alarm management
- Batch production
- Drivers
- Operator interface
- Programming languages
- Soft PLC
-Datasharing
- DDE
- OLE
- OPC clients
- OPC servers
-Language
- C, Pascal, etc
- MS Visual Basic
- PLC languages
-Network communications
- Fieldbus
- TCP/IP
-Operating systems
- Windows 95/98
- Windows CE
- Windows NT
- Windows XP
Section - Data Acquisition & Remote Control
-Alarms
-Integration into MES and ERP systems
-Number of I/O points
- 0-1024
- 0-32
- 0-512
- 0-64k
- Unlimited
-Number of PLC or I/O drivers
- >640
- 0-16
- 16-64
- 64-640
-Operating system
- Windows NT
-Redundancy
-Reports
-Standalone version available
Section - Miscellaneous Hardware
-Switches
- Cam-operated
- Key-lock
- Pushbutton-control
- Rocker
- Rotary selector
-Cable ties
-Cable/terminal marking systems
-Cable/terminal marking systems (stainless steel)
-DIN rail-mount
-Fieldbus terminal blocks
-Fuse terminal blocks
-I/O system
-PLC interface
Section - Networks for Communication & Control
-WiMAX
- subscriber stations & mobile stations - adaptor/router - WiMAX - WiFi
Section - Process Control & Manufacturing Technologies
-Communications
- RS232
- RS422/RS485
-Functionality
- Logic
- PID/PD
- Scaling of I/O
-Inputs
- 0/4-20mA
- mV/V
- RTD
- Strain gauge
-Outputs
- 0/4-20 mA
-Visual display
-AC control
- Closed loop
-DC motors
- Brushless
- Permanent magnet
-Alarm indicators
-Digital panel meters
-Digital process indicators
-Displays
- Characters
- LCD, flat-panel
- Programmable message
- Touchscreens
-HMI
-Analog I/O
- 1-16
- 17-64
- 65-256
- 257-512
- more than 512
-Digital I/O
- 1-16
- 17-64
- 65-256
- 257-512
- more than 512
-Display
-Networking organisation
- Host-to-PLC link
- PLC-to-PLC
- Remote I/O
-Networking
- Ethernet
- PLC-to-PLC
- Remote I/O
- RS232, RS422, RS485
-Operator interface panel
-PACs - Programmable Automation Controllers
-Programming
- Function block diagram
- High level (C, Basic, etc.)
- IEC 1131
- Ladder diagram (relay logic)
- Logic diagram
- Sequential function chart
-Scan rate less than 1µs per step
-Scan rate less than 1ms per step
-Scan rate more than 1ms per step
-Programmable motion control systems
- Custom system design
- Servo systems
- Stepper systems
-Servo amplifiers
- Electronic
-Servo motors
- Brushless DC motors
- DC motors
-Converters
- mV/current
- Programmable
-Counters
- Batch
- Panel mount
- Rail mount
-Timers
- Digital
- Panel mount
- Rail mount
Section - Services & Systems
-Consulting engineers
- Project management
- Systems specification
-Contractors
- Electrical
- Factory automation
- Industrial lighting
- Maintenance
- Materials handling
- Panel builders
- Process control
- System wiring/installation
-Programmers
- PLC
- scada
-Project Management
-System integration/consulting
- Scada/DCS/PLC
-Batch production
-Mining & metals
-Packaging and Labelling
| News from Stock Electronics: |
New all-in-one controller
Africa Automation Technology Fair 2023 Show Preview, PLCs, DCSs & Controllers, Stock Electronics
The new XL Prime all-in-one controller from Horner is the upgrade to the highly functional XL Series. The controller features an 800x480 TFT touchscreen display with five programmable function keys. A ... |
Industry news: |
AIoT drives transformation in manufacturing and energy industries
I&C February 2026, IT in Manufacturing
AIoT, the convergence of artificial intelligence and the Internet of Things, is enhancing efficiency, security and decision making at manufacturing, industrial and energy companies worldwide |
Emissions pressures are not just hot air
I&C February 2026, Electrical Power & Protection
Dennis Williams, commercial director of AES says that the South African government aims to push towards global standards in emissions, but it might be difficult for our industries to carry the financial burden. This is where AES fits in. |
The next generation of inductive scanning encoder solutions
I&C February 2026, Sensors & Transducers, Editor's Choice, ATI Systems
With the launch of the ECI 1122 and EQI 1134 rotary encoders, positioning specialist, HEIDENHAIN has introduced a new benchmark in inductive scanning technology that raises the bar for motion control and precision automation. |
Loop Signature Part 2-1: Loop signatures and process transfer functions
I&C February 2026, Fieldbus & Industrial Networking, Michael Brown Control Engineering
The previous series of loop signature articles dealt with the basics of control loop optimisation, and concentrated on troubleshooting and ‘SWAG’ tuning of simple processes. In this new series, consideration will be given to dealing practically with more difficult issues like interactive processes, and with processes with much more complex dynamics. |
Dual head safety pull switches with expanded cable span
I&C February 2026, Electrical Power & Protection
Referro Systems has added the latest Dual Head range of Allen-Bradley’s safety pull switches to its portfolio. It is ideal for protecting long stretches of equipment where quick access to a safety pull switch and emergency stop is vital. |
ABB and Compu-Power bring high-efficiency UPS innovation to IS3 X-Change 2025
January 2026, News
ABB recently participated in the 31st annual IS3X-Change 2025 in Cape Town, alongside its long-standing channel partner Compu-Power. |
Africa’s brightest young battery innovators
January 2026, News, Schneider Electric South Africa
Schneider Electric and Enactus, the international NGO dedicated to inspiring students through entrepreneurial action, have announced the winners of the 2025 Energy Transition Battery Innovation Challenge, funded by the Schneider Electric Foundation. It empowers young innovators to design battery solutions addressing the region’s most pressing energy challenges. |
Africa’s strategic role in powering the global clean energy future
January 2026, News
The 2026 Africa Energy Indaba is to spotlight Africa’s mineral wealth, industrialisation potential and the urgent need for sustainable value chain development. |
| visit www.instrumentation.co.za |
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