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Part-ID 0850-0680 / 3708
In Stock.
SHORT DELIVERY TIME - This product is available from Stock.
MADE IN GERMANY - This product is handcrafted and manufactured in Germany.

Compact PLC with MODBUS and 19I/O

  • Small & universal MODBUS Logic Controller
  • 6 analog Inputs 0..10 VDC, 12 bit ADC
  • 4 digital Inputs up to 1 kHz
  • 8 Power Outputs up to 1.5 A
  • 1 Power PWM Output 2 A/1 to 10 kHz
  • 1 MODBUS RTU Interface
  • Graphically programmable MODBUS Data
  • Reliable Solid-State Outputs
  • Fail Safe Oscillator
  • Programmable Status LED
  • TTL-232/USB Connection to PC
  • Intuitive graphical Programming Capability
  • Wide Operating Voltage Range 7..32 VDC
  • Wide Operating Temp. Range -40..+60°C
  • Ultraflat Housing, Height 11 mm
  • Vibration resistant and rugged Sealing
  • Engineered and manufactured in Germany


  • Industrial Automation
  • Process Control
  • Building Automation
  • Environmental Technology

The innovative STG-680 extends the established BARTH® Mini-PLC series with an additional model featuring a rugged MODBUS interface with graphical programming and configurating capability.
With similar dimensions in comparison to the STG-650, the STG-680 provides outstanding graphical programming at lowest current consumption and the well-known small form factor.
The MODBUS interface allows the user to connect a variety of industrial network components to the Mini-PLC.
The STG-680 does not need any peripheral components to operate. Both inputs and outputs features highly integrated and rugged protection circuits to operate the Mini-PLC in really harsh environment.
These outstanding features open up a variety of application fields in industrial and also in battery-powered applications.
The STG-680 is also available as customer-tailored OEM version.

Delivery Contents

  • Mini-PLC STG-680
  • 3x Connectors for Mini-PLC
  • miCon-L Software Suite (Download)
  • Manuals and Sample Programs (Download)

miCon-L Website

You can combine this product with the following Accessories You can combine this product with the following Accessories
miCon-L for Mini-PLC Download
€ 1,-*
BARTH miCon-L for Mini-PLC Download In Stock.
€ 1,- *
Connection Cable VK-16
€ 29,-*
BARTH Connection Cable VK-16 Shippable in 2-4 Weeks.
€ 29,- *
Bracket HA-18
€ 9,-*
BARTH Bracket HA-18 In Stock.
€ 9,- *