In the era of Industry 4.0 and smart manufacturing, mastering PLC, HMI, and precision motion control technologies has become a core competency for electrical engineers and automation students. However, traditional large-scale industrial equipment is not only expensive but also bulky and noisy, making it unsuitable for flexible classroom or laboratory teaching.
The MR538E portable training case is designed to address this pain point. It integrates Siemens' flagship S7-1500 PLC, TP700 comfort panel, and electric ball screw actuator into a single carrying case, creating a quiet, safe, and highly realistic industrial motion control training platform.

 

1. Product Overview
1.1 Product Description
The MR538E is a Siemens S7-1500 teaching and training system integrated into a carrying case. Its core hardware includes:
Siemens CPU 1511C-1 PN (integrating digital and analog inputs)
Siemens TP700 Comfort Panel 7" color touchscreen
42 stepper motor kit (with ball screw mechanism)
Left and right limit switches and origin sensor
On this platform, students can manually control the motor's forward and reverse rotation and perform automatic homing operations through the HMI interface, and observe the precise linear motion of the ball screw in a quiet environment. The entire system can completely simulate industrial positioning control processes without connecting to large field equipment.
1.2 Product Features Highly Integrated, Safe and Quiet All components are embedded in a ruggedized case, powered by 220V single-phase, eliminating the need for industrial field power distribution, suitable for classrooms and R&D offices.
True Industrial-Grade Core Controller The S7-1500 series is Siemens' high-end PLC platform, working in conjunction with TIA Portal The programming environment allows students to directly learn using real engineering code.
Precision Motion Control Objects: The electric ball screw, as the controlled object, offers a more realistic engineering experience than a conventional motor with indicator lights. Students can learn limit switches, home return, Jog mode, and relative/absolute positioning.
Intuitive Human-Machine Interaction: The TP700 touchscreen enables home return, setting of movement distance or speed, and provides real-time feedback on current position and limit status, enhancing HMI and PLC integration capabilities.
2. Technical Specifications
2.1 Basic Parameters
Item Specifications
Power Supply Single-phase three-wire 220V 50Hz
Recommended Ambient Temperature 0°C to 60°C
Altitude -1000m to 2000m
2.2 Equipment Dimensions and Weight
Item Parameters
Dimensions 477mm × 315mm × 260mm
Weight <15kg (portable)
2.3 Main Hardware List
Module Model/Description Quantity
PLC Siemens CPU 1511C-1 PN 1
HMI Siemens TP700 Comfort 7" 1
Actuator 42 Stepper Motor + Ball Screw Kit 1
Chassis Portable Training Case (including power supply and control unit) 1
2.4 Standard Accessories
Three-core Power Cord 1.5m ×1
2mm Electrical Safety Cable (Multiple sets: 10/10/5/5/10 strips)
Network Cable ×1, USB Programming Cable ×1
Spare Fuses ×5
3. Teaching Experiment Project
MR538E focuses on positioning control and logic programming experiments in actual industrial automation. The following are typical motor control experiments:
Experiment 1: Manual Motor Control
Objective: Master the control of a stepper motor for forward, reverse, and stop via HMI buttons.
Steps:
Write the motor start/stop logic in TIA Portal.
Configure TP700 button events and send instructions to the PLC.
Observe the consistency between the movement direction of the ball screw slider and the HMI indication.
Experiment 2: Automatic Return to Origin
Objective: Understand the meaning and implementation method of "origin return" in industrial equipment.
Steps:
Configure the origin sensor and left and right limit switches.
Design the return-to-origin speed curve (rapid approach → deceleration crawl → stop).
Execute the return to origin with one key on the HMI and display the current position as 0.
Experiment 3: Relative and Absolute Positioning Control
Objective: Master the programming and HMI interaction of two positioning modes in motion control.
Steps:
Configure the axis process object in the PLC.
Input the target position or movement distance into the HMI.
Execute relative movement and absolute positioning respectively, and observe the accuracy of the ball screw.
Experiment 4: Multi-Speed ​​and Limit Protection
Objective: Learn speed setting and safety boundary protection.
Steps:
Set up low-speed and high-speed operation.
Automatically stop and trigger the HMI alarm when the left/right limit switch is touched.
Reverse movement is allowed only to exit the limit zone.
4. Suitable Users and Application Scenarios
Universities/Vocational Schools: Automation, Mechatronics, Robotics Professional Training
Corporate Training: Siemens PLC and Motion Control Basic/Intermediate Training
Individual Learners: Engineers who need real hardware but have limited space
Competition Training: Program debugging and fault simulation for industrial control competitions
5. Summary
The MR538E integrates a Siemens S7-1500 and TP700 touchscreen with a real ball screw load into a portable chassis, retaining the control complexity of industrial settings while providing a quiet, safe, and lightweight teaching environment.
From manual forward and reverse rotation to precise position closed-loop (through limit switches and origin), and then to touchscreen interactive programming, students can systematically master four core skills: PLC programming, HMI configuration, stepper drive debugging, and mechatronics system integration.
If you are looking for a highly integrated motion control training device for classroom use, training, or self-study, the MR538E is a worthwhile industrial-grade teaching solution.