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Email: paj@paj-group.com
PAJ GROUP
ADVANCED MECHATRONICS
PAJ SSN
With the Smart Signal Network (SSN), PAJ has developed a flexible communication concept for connecting control relays and control signals within industrial machine control systems. The SSN system uses a simple data bus structure that allows control signals to be linked between different parts of a machine or installation in an efficient and structured way.
By using data bus technology, the time and effort required for wiring can be significantly reduced – both at the installation site and inside the electrical control cabinet. Existing control relays installed in different machine sections can be interconnected via the SSN network, simplifying system layout and reducing wiring complexity.
SSN 3501 & 3504
KEY FEATURES
The key features are:
- Configuration of up to 4 independent signal groups
- No configuration software required
- Simple installation and commissioning
- Easy system expansion
- Up to 25 units can be connected in one network
- Typical SSN system response time: < 85 ms
- Minimum response time at nominal voltage: < 50 ms
- Manual monitored reset or monitored reset options
- LED indication for power status and signal activity
- Two transistor outputs for status indication
- Dual-channel architecture in the control section
Requirements for connected control relays
- Cut-in time: < 250 ms
- Cut-out time: < 60 ms
APPLICATION NOTE
The SSN system is intended for integration into industrial machine control systems. Depending on the overall system design, it may be used in control circuits that include safety-related control signals.
Final system design, risk assessment, and verification of machine safety functions remain the responsibility of the machine manufacturer or system integrator.
TERMS & CONDITIONS
PAJ Group General Terms & Conditions: click here
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The SSN system also allows the creation of signal groups. This makes it possible to isolate and control specific sections of a machine or installation during service or maintenance while allowing other sections to continue operating. Within each group, one or more SSN modules can be connected and evaluated independently.
The system is designed for straightforward installation and commissioning and does not require IP configuration, specialized software tools, or dedicated network expertise. Standard installation practices and commonly available Ethernet cabling can be used.
Installation typically involves the following steps:
- Configure the SSN module via DIP switches to define group response, reset type, and stop configuration.
- Mount the module on a standard DIN rail.
- Connect the power supply and control wiring to the terminals.
- Link the modules using standard Ethernet cables.
The system is then ready for operation.
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