PLC and Automation

Optima specialies in Automation and Packaging with over 26 years of experience. 

Optima specialises in the field of PLC programming, from hardware and software upgrades for new projects to modifications for an existing system. Optima is more than capable of implementing a custom PLC programming solution to meet your specific needs. Our PLC programming specialises in industrial automation, and our PLC engineers ensure their programs are user friendly. Making sure your site personnel can easily understand and navigate the logic during maintenance or system upgrades.

Optima can do it all, from design consulting on your automation project to improving your automation efficiency through the integration of devices, from simple relay logic, to PLCs, HMIs- touch screens, right up to SCADA and machine safety upgrades. We support practically every brand on the market, Rockwell, Allan Bradley, Omron, Siemens, Mitsubishi Modicon, Delta etc - all these are well known to our technicians and engineers.

To provide complete solution Optima has PLC, HMI, SCADA, Inverters, Servo, Sensors etc.

Contact Us on 03 9219 0301 to talk with technical experts or to get a quick quotation now.


  • Allen-Bradley
  • Omron
  • Siemens
  • Mitsubishi
  • Modicon/Schneider
  • Delta
  • GE Fanuc
  • And Many More...

Siemens LOGO8


    • The space-saving basic variants
    • Interface for the connection of expansion modules, up to 24 digital inputs, 20 digital outputs, 8 analog inputs and 8 analog outputs can be addressed
    • All basic units with integrated web server
    • Enclosure width 72 mm (4 U)
    • All basic units with Ethernet interface for communication with LOGO! 8, LOGO! TDE, SIMATIC Controllers, SIMATIC Panels and PCs
    • Use of standard micro CF cards


    • Ethernet port
    • Relay outputs with max. 10 A output current
    • Integrated display field with parameterizable backlight (6 x 16 characters, 3 background colors).
    • Integrated operator control panel.
    • Integrated EEPROM memory for control program and setpoint values.
    • Optional standard micro CF cards
    • Integral real-time clock with automatic summer/winter time switchover.
    • Backup of the integrated real-time clock for 20 days.
    • 8 digital inputs, 4 digital outputs.
    • 4 inputs as analog inputs in 12/24 V DC variants (0 to 10 V); inputs can also be used digitally.
    • 4 inputs can be used for high-speed counting up to 5 kHz (DC versions only).
    • Interface for the connection of expansion modules, up to 24 digital inputs, 20 digital outputs, 8 analog inputs and 8 analog outputs can be addressed.
    • Connection of the LOGO! TDE text display via Ethernet.


    • Integrated basic and special functions:
    • Basic logic functions: AND, OR, NOT, NAND, NOR, XOR, positive/negative pulse edge evaluation.
    • Special functions: ON delay, latching ON delay, OFF delay, impulse relay, locking relay, counter (forward/backward), time switch, interval time-delay relay, operating hours counter, trigger, asynchronous pulse generator, year time switch, comfort light switch function, random generator, staircase light switch function as per DIN 18015-2, edge-triggered interval time-delay relay, combined ON/OFF delay, analog comparator, analog trigger, analog delta trigger, analog watchdog, analog amplifier, text and variable display, shift register, soft key function, PI controller, ramp function, analog multiplexer, PWM function, analog arithmetic function, function for detecting errors in the analog arithmetic function.
    • 400 function blocks can be interlinked
    • Up to 64 bit memories
    • (including restart bit memory, bit memory for controlling the backlight of the integral display and the LOGO! TDE text display, bit memory for switching between 2 parameterizable character sets in the message text).
    • Integrated retentivity.
    • Password protection.
    • Additional know-how protection with the optional micro CF card.
    • Data logging to internal memory or micro CF card (up to 20 000 records)
    • Macros (user-defined functions) for LOGO! Soft Comfort
    • 64 open terminals
    • 4 8-bit shift registers
    • Extended diagnostic functions