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1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
| Specification | Description |
|---|---|
| Part Number | E94AYAB |
| Alternative Part Number | E94AYAB |
| Manufacturer | Lenze |
| Product Type | Safety Module |
| Series | SM100 |
| Suitable For | 9400 Series Servo Drive |
| Supply Voltage | 24 V dc |
| Current | 0.9 Amp |
| Safety Category | Category 4 and Performance Level e (PL e) according to ISO 13849-1, SIL 3 according to IEC 61508 |
| Function | Safe Torque Off (STO) |
| Input Signal | Two-channel sensor signal connections |
| Output Signal | Non-safe feedback connections |
| Power Supply Isolation | Safely separated power supply unit (SELV/PELV) |
| Input/Output Isolation | Yes |
| Compliance | Complies with relevant international safety standards |
| Special Features | Does not contribute to the probability of failure on demand (PFD) or probability of failure per hour (PFH) |
| Installation Requirements | Must be installed and commissioned by qualified personnel |
| Operating Temperature | Maximum surrounding air temperature: 55 °C |
| External Fuse Requirement | Rated 4 A DC fuse UL248-14 for 24 Vdc supply voltage |
The Lenze SM100 Safety Module is designed to ensure safe torque off (STO) functionality, which is a protection against unexpected start-up of the drive. It is used in conjunction with Lenze 9400 Series Servo Drives to enhance safety during operation.
No, the SM100 Safety Module is specifically designed to be used with Lenze drive controllers of the L-force | 9400 series. Using it with other drives is considered inappropriate and may not ensure the desired safety functions.
The SM100 Safety Module complies with Category 4 and Performance Level e (PL e) according to ISO 13849-1, as well as SIL 3 according to IEC 61508. These standards ensure the highest level of safety for controlling hazardous machine movements.
The SM100 Safety Module should be installed and commissioned by qualified and skilled personnel, following the safety engineering systems guidelines. It requires proper installation within the control cabinet and connection to the drive controller, adhering to the requirements of ISO 13849-1 and ISO 138492.
The SM100 Safety Module operates with a supply voltage of 24 V dc and is designed to be powered through a safely separated power supply unit (SELV/PELV).
Yes, during commissioning and after the replacement of the module, it is vital to check the safety function. No settings are required on the module itself, but certain settings must be configured in the basic device, such as the type of safety module.
If the request for the safety function is cancelled, the drive will restart automatically. It is essential to provide external measures to ensure that the drive only restarts after a confirmation, as per EN 60204.
The SM100 Safety Module should undergo periodic inspections to ensure the correct sequence of the safety-oriented functions. The inspection interval should not exceed one year, and the time intervals may depend on the application, the entire system, and the corresponding risk analysis.
The input and output terminals on the SM100 Safety Module, such as SIA, SIB, and GI, are used for two-channel sensor signal connections, while terminals like 24O, DO1, and GO are for non-safe feedback connections. These terminals are crucial for the module's safety functions and must be wired correctly.
In the event of a short-circuit of two power transistors within the SM100 Safety Module, a residual movement of the motor may occur. This residual movement must be considered in the risk analysis and appropriate measures taken to ensure safety.
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
All parts new or reconditioned are covered by EU Automation 12 month warranty
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