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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: |
Case History 200: The final case history – desuperheater control problem.
November 2025, Fieldbus & Industrial Networking, Editor's Choice, Michael Brown Control Engineering
For this final article I have chosen to relate a problem that existed in a desuperheater temperature control on a boiler in a petrochemical refinery.
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15 futureproof technical jobs with strong prospects for the future
November 2025, News
The future of work in South Africa is set to be shaped by rising demand for professionals offering a strong blend of technical skills, business acumen and digital fluency. |
Leaders in sensor technology
November 2025, Sensors & Transducers
A new addition to the Telco Sensors range is the adjustable Proximity sensor, with a range up to 5 metres. |
Industrial valve solutions
November 2025, Valves, Actuators & Pump Control, Bearing Man Group t/a BMG
BMG’s Fluid Technology division supplies and supports an extensive range of components for fluid technology systems. These include valves, hydraulic hoses and fittings, accumulators, cylinders, heat exchangers, hydraulic motors and hydraulic plumbing, as well as pumps and reservoir accessories. |
ABB drives rail modernisation and EV growth in South Africa
November 2025, Electrical Power & Protection
ABB’s work in Africa in low- and medium-voltage infrastructure, safety-critical components and electrification puts it at the heart of accomplishing the Southern African Railways Association’s strategy. |
Liquid cooling solutions for hyperscale data centre environments
November 2025, IT in Manufacturing, Schneider Electric South Africa
Schneider Electric has unveiled its world-leading portfolio of end-to-end liquid cooling solutions for hyperscale, colocation and high-density data centre environments, engineered to enable the AI factories of the future. |
Making autonomous supply chains real
November 2025, IT in Manufacturing
If your supply chain still depends on people chasing spreadsheets and calling warehouses while reacting to crises, it is not only inefficient it is a liability. The era of reactive, manually managed supply chains is over. |
SKF and Sieb & Meyer announce strategic partnership for magnetic bearings
November 2025, Motion Control & Drives, SKF South Africa
SKF has announced a strategic partnership with Sieb & Meyer, a renowned expert in variable frequency drives and control electronics. |
| visit www.instrumentation.co.za |
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