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Communica
53 Landmarks Avenue, Samrand, Centurion
Core business offering: Importer, wholesale distributor, B2B and retail supplier of consumer and industrial electronic components, IoT, cables, connectors, enclosures, relays, switches, semiconductors, test and measurement instruments, tools and production equipment, solar, inverters and batteries.
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Cape Town
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Pretoria
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Samrand Head Office
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Section - Computers & Software
-Computers
- desktop
- laptop
- servers
- tablet
- workstations
-Industrial computers
- Board level
- Compact, embeddable (PC/104, PCI, ISA bus) modules
- Flat-panel
- Pentium architecture
- Rackmount
- RISC architecture
- Wall mounted, embeddable
- x86
-Input devices
- Joysticks
- Keyboards
- Mice, trackerballs
- Network interfaces (see I/O table)
- Pens, wands
- Touchscreens
-PC function cards, modules
- I/O (analog/digital)
-Peripherals
- CRT/LCD terminals
- Monitors/display systems
- Printers
-Communication medium
- Copper
- Optical fibre
- Radio
-Communication standard
- Ethernet/IP
- Fieldbus
- Modbus
- RS232/485/422
-Mounting methods
- DIN rail
- Panel/rack mount modules
- Plug in cards
-Operating features
- Sealed units
-Signal modules
- Analog
- Digital
- Mixed
-Applications
- Data acquisition, analysis
-Network communications
- TCP/IP
Section - Data Acquisition & Remote Control
-Barcode systems
- Handheld
- Printers
-Ethernet-based systems
-PC based data acquisition
- automatic data acquisition
- data acquisition cards
- distributed data acquisition
- presentation/analysis software
-Portable data collection terminal
-Radio frequency tags
-Standalone data loggers
-Cable telemetry
- copper wire
- Ethernet LAN
- fibre-optic
-Remote sensing & control
- cable link
- cellular
Section - Maintenance, Reliability & Asset Optimisation
-Bench
- Oscilloscope
- Other
-Handheld/portable
- Multimeter
- Other
- Thermometer
-Education & training
- Computer-based
- Instructor-led
- Onsite
Section - Miscellaneous Hardware
-Power
- Armoured
- PVC
- Silicon
-Signal
- Armoured
- Coaxial
- Computer, LAN
- Flat, ribbon
- High temperature
- Multiwire
- Optical fibre
- Screened
- Single conductor panel wires
- Twisted pair
-Circular DIN, control
-Circular, mixed signal
-Circular, power
-Coaxial connectors
-D-subminiature
-Explosion proof
-Fieldbus interface
-Harsh environment
-High temperature
-I/O
-Optical fibre
-Rectangular, control, signal
-Rectangular, mixed signal
-Rectangular, power
-Termination tooling
-Thermocouple
-Watertight
-Batteries
- Primary
- Secondary (rechargeable)
-Battery chargers
-Solar energy converters
-Standby power generators
-Uninterruptible power supplies
-19" racking
-Boxes - electronics
- Metal construction
- Plastic construction
-Cabinets
- Explosion protected
- Free-standing
- Industrial computers
- Wall mount
-Desks, consoles, furniture
-EMC control
- Shielded enclosures
-Enclosures (special)
- Corrosion proof
- Environmentally protected
-Intercom systems (industrial)
-Pole mount accessories
-Pole mount accessories (stainless steel)
-Sub-rack systems
-Thermal control
- Fans, blowers
- Heatsinks
-Heavy duty power switching
-Reed relays
- Dry-contact
- Mercury-wetted
-Relays
- DIN-rail mount
- General purpose, control
- Plug-in
- Solid state (photo MOS)
- Solid state (zero-crossing)
- Time delay
-Switches
- Foot-operated
- Intrinsically safe
- Key-lock
- Magnetic
- Pushbutton-control
- Rocker
- Rotary selector
- Thumb-wheel encoded output
-Audible alarms
- Bells
- Horns, sirens
- Programmable voice annunciators
-CBE (circuit breakers for equipment)
-Emergency stop switches
-EMI suppression filters
- Power-line
- Signal line
-Fuses
- Fast-acting
- Normal
- Slow-blow
-Intrusion alarms
-Key-lock switches
-Light curtains
-Optical isolators
-Safety limit switches
-Smoke/fire detection
-Surge protection/suppression
- Gas discharge
- Lightning arrestors
- Varistor (MOV)
-Visible alarms
- Indicator lights
- Industrial beacons
- LED
- LED for traffic lights
-DIN rail-mount
-Fieldbus terminal blocks
-Fuse terminal blocks
-I/O system
-PLC interface
-Pluggable terminal blocks
-Screwed clamp
-Screwless spring cage
-Wire wrap
Section - Networks for Communication & Control
-ASI
-CANbus
-ControlNet
-DeviceNet
-EtherCat
-Ethernet
-Foundation Fieldbus
-Modbus
-Network analysers
- CANbus
- ControlNet
- Ethernet
- Modbus
- Profibus
- Profinet
- RS232/422/485
-Profibus
-Profinet
-Remote I/O
-RS232/422/485
-Wireless (for industrial application only)
-Antennas
- extension cables
- indoor
- outdoor
-Power supplies
- batteries
- solar
-Wireless gateways
-Wireless I/O networks
-Wireless serial port adaptor (RS-232/RS-422/RS-485) (aka modem)
-WiFi
- embedded modules
- embedded sensors
- gateways - Ethernet
- network storage devices
- printers - mobile
-WiFI
- serial port adaptor (RS-232/RS-422/RS-485) (aka modem)
-WiFi
- switch/controllers or routers
- WiFi PCIe/PCIe MC adaptor (aka modem)
- WiFi USB adaptor (aka modem)
-ZigBee PRO
- field devices - building automation
- field devices - health care
- field devices - home automation
- network devices
- smart energy devices
-ZigBee RF4CE
- input devices (mice, keyboards, touchpads, wands, etc)
-ZigBee
- field devices - building automation
- field devices - health care
- field devices - home automation
- network devices
- smart energy devices
Section - Process Control & Manufacturing Technologies
-Cybersecurity
-Industrial IT & networking
-Interoperability HW/SW
-M2M communication
-Smart sensors
-Specialist consulting services
-Wireless network/service providers
-Networking organisation
- Host-to-PLC link
- PLC-to-PLC
- Remote I/O
-Networking
- Ethernet
- Fieldbus
- PLC-to-PLC
- Remote I/O
- RS232, RS422, RS485
-Differential pressure transducers
-Pressure switches
-Pressure-electrical transducers
-Capacitive
-Inductive
-Infrared
-Limit switch
-Photoelectric
-Ultrasonic
-Current
-Fibre-optic
-Flow
-Hall-effect
-Humidity
-Level
-Light intensity
-Moisture
-Vibration
-Infrared (IR) line scan
-IR non-contact
-IR thermal imaging
-Temperature switches
-Thermistors (PTC, NTC)
-Timers
- Analog
- Digital
- Panel mount
- Rail mount
Section - Test, Measurement & Calibration
-Clampmeters
-Insulation testers
-Logic probes/pulsers
-Mains power analysers
-Multimeters
-Ohmmeters
-Oscilloscopes
-Phase rotation
-Pipe & cable locators
-Scope & DMM combinations
| News from Communica: |
UV-resistant enclosures
September 2023, Enclosures, Cabling & Connectors, Communica
Hammond Manufacturing has a range of glass-reinforced polyester (GRP) enclosures which are lightweight, corrosion resistant, and also UV-resistant. |
Industry news: |
Innovate, accelerate, dominate
July 2025, Pneumatics & Hydraulics, Editor's Choice, Festo South Africa
Festo’s latest innovations, revealed through the Ramp Up Campaign, offer a blueprint for performance excellence, using the anatomy of a race car as an analogy to simplify and powerfully communicate how their technologies address industry challenges. |
Driving digital transformation in the truck industry
June 2025, IT in Manufacturing, Siemens South Africa
Tatra Trucks, a leading truck manufacturer in Czechia, has adopted the Siemens Xcelerator portfolio of industry software including Teamcenter software for product lifecycle management and the Mendix low code platform to help increase production volume and strengthen its ability to manufacture vehicles that meet specific customer requirements. |
Case History 198: Cascade control overcomes valve problems.
July 2025, Flow Measurement & Control, Editor's Choice
There are many processes where it is undesirable for the load to suddenly change quickly, for example in the paper industry. Examples of level control have involved reasonably fast tuning. An example of a level loop tuned this way and responding to a step change in setpoint is given.
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Advanced telemetry solutions
July 2025, Industrial Wireless, Editor's Choice
Namibia is one of the driest countries in sub-Saharan Africa, with an average annual rainfall below 250 mm. To address this challenge, the Namibia Water Corporation has employed one of southern Africa’s most powerful and well-proven telemetry solutions, designed and manufactured by SSE/Interlynx-SA. |
A reliable water supply: The make or break in building metros across South Africa
July 2025, Flow Measurement & Control, VEGA Controls SA
South Africa’s urban centres encounter substantial water supply challenges. Maintaining stable water infrastructure is essential for the health, economic vitality and well-being of communities. |
From the editor's desk: Riding the hype cycle
July 2025, News, Technews Publishing (SA Instrumentation & Control)
The other day I came across an entertaining article on the ten biggest tech failures of the last decade. Google Glass, 3D TV and Elon Musk’s hyperloop have faded into obscurity. Others, like the metaverse, ... |
Laying the groundwork in IT/OT
July 2025, IT in Manufacturing
In the realm of manufacturing, the core mandate is to deliver value to stakeholders. For many in the industry, this is best achieved through a risk-averse approach. Only upon establishing a robust foundation should a business consider venturing into advanced optimisation or cutting-edge technological innovations such as industrial AI.
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UV water treatment system
July 2025, Maintenance, Test & Measurement, Calibration
bestUV is an innovative manufacturer of professional ultraviolet (UV) water treatment systems for industrial markets. |
| visit www.instrumentation.co.za |
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