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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RK3131-1AC10 |
| Manufacturer | Siemens |
| Product Name | Central Module, Safety Basic System |
| Product Family | SIRIUS Modular Safety System |
| Design | Central Module - Advanced |
| Mounting Type | Snap-mounted to DIN rail or screw-mounted with additional push-in lug |
| Dimensions (W x H x D) | 45 x 111 x 124 mm |
| Protection Class | IP20 |
| Operating Temperature Range | -20°C to +60°C |
| Storage Temperature Range | -40°C to +85°C |
| Relative Humidity | 10% to 95% during operation |
| Shock Resistance | 15g / 11 ms |
| Pollution Degree | 3 |
| Installation Altitude | Up to 2000 m above sea level |
| Electrical Connection Type | Screw-type terminals |
| Connectable Conductor Cross-Section | Solid: 1x (0.5 ... 4.0 mm²), 2x (0.5 ... 2.5 mm²); Stranded: 1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.5 mm²) |
| AWG Conductor Cross-Section | Solid: 20 ... 14; Stranded: 20 ... 14 |
| DC Resistance of Cable | Maximum 100 Ω |
| Safety Integrity Level (SIL) | SIL CL 3 (IEC 61508) |
| Performance Level (PL) | e (EN ISO 13849-1) |
| Category | 4 (EN ISO 13849-1) |
| Stop Category | 0 / 1 (DIN EN 60204-1) |
| Diagnostics Test Interval | Maximum 1000 s |
| PFHD | 0.000000007 1/h (EN 62061) |
| T1 Value | 20 years (IEC 61508) |
| Electromagnetic Compatibility | Suitable for Class A environments |
| Conducted Interference | Burst: 2 kV (power ports) / 1 kV (signal ports); Surge: 2 kV (conductor-earth), 1 kV (conductor-conductor) |
| Field-Bound Parasitic Coupling | 10 V/m (IEC 61000-4-3) |
| Electrostatic Discharge | 4 kV contact discharge / 8 kV air discharge (IEC 61000-4-2) |
| Product Function | Removable terminal for auxiliary and control circuit |
| Number of Inputs | 8 safety-related |
| Number of Outputs | 1 safety-related (2-channel relay), 1 safety-related (2-channel semiconductor) |
| Protocol Support | ASIsafe (Safety at work), PROFIBUS DP (with DP interface module) |
| Monitoring Functions | Emergency Stop, Protective Door Monitoring, Muting (2/4 sensor parallel/sequential), Two-Hand Control, Step Mat Monitoring, Enabling Switch, Monitored Start-Up |
| Suitable for Use | Monitoring of floating/non-floating sensors, position switch, EMERGENCY-OFF circuit, valve, opto-electronic protection device, proximity switch, safety-related circuits |
| Consumed Current | 1.685 A (rated value of supply voltage) |
| Operating Power | 4.5 W |
| Consumed Current from AS-Interface | 45 mA (at 30 V), 45 mA (at 24 V with AS-i Power24V) |
| Number of Safe Signals | 12 (for remote shutdown or cross traffic by means of AS interface) |
| Mechanical Service Life | 10,000,000 switching cycles (typical) |
| Touch Protection | Finger-safe |
| Reference Code | K (DIN EN 81346-2, DIN EN 61346-2) |
| Period of Darkness | 1 ms |
| Average Probability of Failure | 0.00017 1/y |
| Short-Circuit Protection | NH Type 3NA, DIAZED Type 5SB, NEOZED Type 5SE |
The Siemens 3RK3131-1AC10 is a central module designed for advanced modular safety systems. This unit operates at 24 V DC and features parameterizable inputs and outputs, making it highly adaptable for various industrial applications. It is equipped with screw terminals and is designed for DIN rail mounting, ensuring easy installation and integration into existing systems.
With dimensions of 45 x 124 x 111 mm, the 3RK3131-1AC10 is compact yet robust, offering reliable performance in demanding environments. It supports up to 12 safe outputs on the AS-Interface bus and is capable of monitoring ASI slaves, providing comprehensive control and safety management.
The module meets high safety standards, including SIL3 (IEC 61508) and Performance Level E (ISO 13849-1), ensuring it is suitable for critical safety applications. It can connect up to nine expansion modules, allowing for scalable and flexible system configurations.
The Siemens 3RK3131-1AC10 is built to withstand harsh conditions, with an operating temperature range of -20 to +60 degrees Celsius and a storage temperature range of -40 to +85 degrees Celsius. It also features a high degree of protection against shock and vibration, making it a reliable choice for industrial automation and safety systems.
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Frequently Asked Questions
What is the primary function of this Siemens central module?
The Siemens central module is designed for modular safety systems, providing monitoring and control of safety functions such as emergency stop, protective door monitoring, and muting.
What type of mounting options are available for this module?
This module can be snap-mounted to a DIN rail or screw-mounted with an additional push-in lug.
What are the dimensions of the Siemens central module?
The dimensions of the module are 45 mm in width, 124 mm in depth, and 111 mm in height.
What is the operating temperature range for this module?
The operating temperature range for this module is from -20°C to +60°C.
How many expansion modules can be connected to this central module?
Up to 9 expansion modules can be connected to this central module.
What is the degree of protection provided by this module?
The module has an IP20 degree of protection.
What type of terminals does this module use for electrical connections?
This module uses screw-type terminals for electrical connections.
What is the maximum installation altitude for this module?
The maximum installation altitude for this module is 2,000 meters above sea level.
What safety standards does this module comply with?
This module complies with safety standards up to SIL3 (IEC 61508) and Performance Level E (ISO 13849-1).
Can this module be used for monitoring optoelectronic protection devices?
Yes, this module is suitable for monitoring optoelectronic protection devices according to IEC 61496-1.
What is the rated insulation voltage for this module?
The rated insulation voltage for this module is 300 V.
What is the shock resistance of this module?
The module has a shock resistance of 15g for 11 ms.
What type of sensors can this module monitor?
This module can monitor floating sensors, non-floating sensors, position switches, emergency-off circuits, valves, opto-electronic protection devices, and proximity switches.
What is the maximum current consumption of this module?
The maximum current consumption of this module is 1.685 A.
What is the maximum number of function blocks this module can handle?
This module can handle up to 300 function blocks.
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