SMC Networks LEF Series

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Questions and Answers:

Emma GambleAug 14, 2025

Why does my SMC Networks Controller show 'Phase Det ALM /code: 1-193' at the initial stage?

E
Elizabeth EsparzaAug 14, 2025
If the SMC Networks Controller generates an alarm for 'Phase Det ALM /code: 1-193' when power is supplied, it could be due to several reasons. First, the cable might not be properly installed or has been disconnected; check the cable installation. Second, the load or resistance being applied to the actuator might constantly exceed the actuator's specification; keep the load and resistance within the specified range and check the actuator mounting condition. Third, the controller and actuator combination might not be correct; the controller and actuator combination at the time of shipment should not be changed. Fourth, excessive external force is being applied, including vibration or impact load; operate within the specified range.

wheelermichelleAug 26, 2025

How to fix SMC Networks Controller 'Stroke limit/code: 1-052' alarm?

E
Eric ChenAug 26, 2025
If the SMC Networks Controller generates an alarm for 'Stroke limit/code: 1-052' and operation is not completed, it means the moving distance exceeds the 'Stroke(+) / 'Stroke(-). Check the value of the 'Position' of step data and the value of the 'Stroke(+) / 'Stroke(-)' of the basic parameter.

Category	Controller
Manufacturer	SMC Networks
Ports	Varies by model
Data Transfer Rate	Varies by model
Manageable	Yes
Product Type	Controller
Product Series	LEF Series

Safety Instructions

Product Compatibility and Design Responsibility

Responsibility for product compatibility and design lies with the equipment designer.

Trained Personnel for Operation

Only trained and experienced personnel should operate machinery and equipment.

Safety During Maintenance and Removal

Ensure safety is confirmed before servicing or removing equipment.

Special Safety Considerations

Take special safety measures for specific hazardous conditions and applications.

General Usage and Warranty Information

Information on product usage, warranty, and compliance requirements.

Procedure Before Operation and Simple Setting

Items to Prepare for Operation

Lists components and customer-provided items required for setup.

Controller Setting Software Usage

Guide on installing, starting, and using the controller setting software.

Test Drive and Step Data Operation

Performing test drives and sequences for step data.

Modifying Step Data

Instructions on how to change step data, specifically positioning stop positions.

Teaching Box Operation

Guide on using the teaching box for JOG and TEST drive operations.

Product Specifications

Slider Type LEF Series Ball Screw Drive Specifications

Detailed specifications for LEF series actuators with ball screw drive.

Speed-Workload Graphs

Visual representation of workload vs. speed for different models.

LEFS40 Ball Screw Drive Specifications

Specific technical data for the LEFS40 model with ball screw drive.

Servo Motor Specifications (Ball Screw Drive)

Specifications for actuators using a servo motor with ball screw drive.

Slider Type LEF Series Belt Drive Specifications

Detailed specifications for LEF series actuators with belt drive.

Servo Motor Specifications (Belt Drive)

Specifications for actuators using a servo motor with belt drive.

Ordering Guide for Ball and Belt Drives

Guide for ordering actuators with various options for ball and belt drives.

Actuator Construction and Parts List

Diagrams and parts lists for ball screw and belt drive constructions.

Product Outline and System Construction

System Configuration Overview

Illustrates the system configuration with actuators, controllers, and accessories.

Setting Function Overview (Controller Software)

Using controller software in Normal mode for detailed parameter setup.

Teaching Box for Data Management

Saving and forwarding data using the teaching box.

Controlled Items Comparison (PC vs. Teaching Box)

Compares functions available via PC software and teaching box.

Positioning Operation and INP Signal

How positioning operation works and the INP output signal.

Step Data Input Examples (Positioning)

Examples of setting step data for positioning operations.

Step Data Input Examples (Relative Positioning)

Examples of setting step data for relative positioning operations.

Operating Procedures and IO Signals

Describes input/output signals for normal and emergency stop operations.

Parameter Settings

Initial setup for basic and origin parameters, including offset.

Wiring and Cable Precautions

General Wiring Precautions

Warnings and cautions for secure and safe wiring practices.

Cable Routing and Noise Measures

Guidelines for routing cables to prevent noise interference and damage.

Electric Actuators: Common Precautions

Design and Selection Considerations

Important factors for designing and selecting electric actuators.

Mounting Precautions

Guidelines for proper and safe mounting of the actuator.

Handling Precautions

Safety measures for handling the actuator during operation and maintenance.

Operating Environment Recommendations

Recommended environments and conditions for product operation.

Troubleshooting

Fail to Operate Initial Stage Alarms

Addresses issues like phase detection errors and connection problems.

Step Data and Servo Alarms

Solutions for step data errors and servo off alarms.

Operation Continuation and Overload Alarms

Troubleshooting for operation failures and overload conditions.

Stroke Limit and Motor Over-voltage Alarms

Resolving stroke limit errors and over-voltage motor alarms.

Operation Not Completed Unexpected Motion

Addresses issues with step data, signal timing, and unexpected movements.

Unstable Output Signals and Repeatability Issues

Solutions for unstable INP signals and poor positioning repeatability.

Damage and Vibration Issues

Troubleshooting for actuator damage, vibration, and noise.

Manual Override and Lock Issues

Resolving problems with manual override and lock functionality.

SMC Networks LEF Series

Table of Contents

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