• RS Stock No. 123-2107
  • Brand BARTH
  • Mfr. Part No. 0850-0700
BARTH STG-700 STEP Logic Control, 2 (Analogue), 2 (DC Digital) x Input
Product Details

STG-700 STEP - Mini-PLC

The STG-700 STEP combines a powerful stepper motor controller with an ultra-compact Mini-PLC in a rugged splash proof aluminium diecast housing. It features graphical programming, universal I/Os and a CAN interface. The Mini-PLC can control large format displays using a bipolar stepper motor converting an analogue or digital input signal to a matching motor angle.
Built in a fully integrated splash proof housing, the STG-700 STEP is ideal in applications within harsh environments.

Features and Benefits

• Tiny CAN logic stepper motor controller
• 2 analogue inputs 0-30 V dc, 12-bit ADC
• 2 digital inputs up to 1 kHz
• 4 power outputs up to 1.5 A
• Power stepper motor output 1.5 A
• 1 CAN 2.0A/B interface
• Reliable solid-state outputs
• Fail safe oscillator
• Programmable status LED
• TTL-232/USB connection to PC
• Intuitive graphical programming capability
• Wide operating voltage 78-32 V dc
• Wide operating temperature range -40 to +50°C
• Vibration resistant and rugged sealing
• Aluminium diecast housing, IP66 rated


The outstanding features of the STG-700 STEP make it a suitable choice for various application fields such as industrial automation, process control, building automation and automotive technology.

Barth Mini-PLC

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Manufacturer SeriesSTG-700 STEP
Supply Voltage8 → 32 V dc
SeriesSTG-700 STEP
Output TypeDigital, Power Stepper Motor, Solid-State
Number of Outputs1 (Power Stepper Motor), 1 (Solid-State), 4 (Power)
Number of Inputs2 (Analogue), 2 (DC Digital)
Input TypeAnalogue, DC Digital
Output Current≤1.5 (Digital) A, 1.5 (Stepper Motor) A
Mounting TypeChassis Mount
Minimum Operating Temperature-40°C
Dimensions58 x 64 x 34 mm
Maximum Operating Temperature+50°C
ApplicationAutomotive Technology, Building Automation, Industrial Automation, Process Control
Special FeaturesIntuitive Graphical Programming Capability, Programmable Status LED, Vibration Resistant and Rugged Sealing
Module TypeMini-PLC I/O Module
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Technical Reference
  • RS Components

    Statement of conformity

    The product detailed below complies with the specifications published by RS Components. Where applicable it provides assurance that electrostatic discharge sensitive devices have been handled and packed under conditions that meet the administrative and technical requirements of the ANSI/ESD S20.20:2014 and BS EN 61340-5-1:2007 Electrostatic Control Standards.
    RS Stock No. 123-2107
    Description BARTH STG-700 STEP Logic Control, 2 (Analogue), 2 (DC Digital) x Input
    Manufacturer/Brand: BARTH
    Mfr. Part No. 0850-0700
    The foregoing information relates to product sold on, or after, the date shown below.
    Date Jan 20, 2018
    RS Components Ltd, Birchington Road, Corby, Northamptonshire, NN17 9RS, UK
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