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Introduction to the Immediate Working Mode of the SK509 Four-Way Switch Control Module

By sdga:

The SK509 is a high-power industrial-grade wireless four-way switch control module launched by our company, capable of remote pairing. It provides four signal input and four control output interfaces, with a maximum output power of 5W and a transmission distance of up to 8000 meters in open areas. It features simple interfaces and reliable operation, with a sensitivity of up to -121 dBm, 16 selectable channels, automatic antenna matching, and bidirectional switch control, making it suitable for remote switch control applications.

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Users can configure and modify the internal parameters of the module wirelessly using a PC interface. The DIP switches on the module can also be used to change the working frequency (16 selectable groups), working mode, and other settings, offering flexible and convenient usage. This article mainly explains the immediate working mode of the SK509 switch control module.

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Before explaining the working modes, it is essential to understand the DIP switch definitions of the SK509 switch control module.

The functions of the DIP switch settings are described as follows:

DIP8communication mode selection

ON – real-time mode ( In this mode, output sync to the input immediately once the input state changed) 

OFF - timing mode ( output sync to in the input at set time interval )

DIP7 - master/slave selection 

ON - the master  

OFF - the slave

DIP6 time interval selection of timing mode 

ON – non pairing mode ( valid when DIP 5 is On )

OFF – pairing mode ( pair the module in this mode , valid when DIP 5 is On )

DIP5 - mode selection

ON - normal working mode

OFF - setting mode ( connect module to PC by SK108-S, set the parameters)

DIP4 ~ 1 - working frequency channel selection, 16 channels in total (default channel interval is 0.5M), frequency can be reset by PC. 

Relationship between DIP switches and working frequency channel:

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Note:

1.After the user modifies the DIP switch settings, the module needs to be powered off and on again for the changes to take effect.

2.Each time the module is powered on, it will check the status of the DIP switches. If the module detects that the status of DIP7 and DIP8 differs from the previous power-on state, the previously paired channel will be canceled, and the user will need to re-pair the channels.

Real-time working mode

In real time mode, both the master and slaver will send a inquiry signal at set time interval (default time is 3minutes) , the other side , master or slaver will reply the synchronized message. If this communication failed for continuous 3times, the alarm will light on to indicate, the related output will resume to open state

In real-time mode, if modules never paired beforeit is in non paired mode.

Each module has four independent input and four independent output. In real-time mode, the change of any input of the four channels will trigger the transmission, in other side the corresponding relay of the module will be synchronized after got the signal, then it returns a acknowledged signal. If no acknowledged signal come to the triggered modules, the alarm LED will light on. All the output relays will be resumed open if no acknowledge signal received for continuous 3 times inquiry.

Input and output status under normal working mode:

The logic relationship of the module as below:

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For example, communication between modules A and B,

the 4 output of module A is corresponding to the 4 input of module B,

the 4 output of module B is corresponding to the 4 input of module A, shown as below:

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In real time mode,SK509 can work in pairing mode or non pairing mode. SK509 will work at pairing mode if it has been paired with any other SK509. Paired SK509 can only work with other paired SK509. It cant communicate between paired SK509 and non paired SK509.

For paired SK509, it is 2 way communication, the master can control the slave. Slave can control the master. But slave cant control the slave and master cant control the other master.

In pairing mode, the status change of input (master or slave ) will synchronized to the output (paired slave or paired master ).

If SK509 has not been paired with other SK509, or been unpaired, it works in non pairing mode. In non pairing mode, the change of input channel will synchronized to the same output channel in other side.

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It is important to note that in this working mode, the modules will first synchronize input and output signals upon initial power-up. Therefore, it is not recommended to power on both the transmitter and receiver simultaneously.






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Email:sales@nicerf.com

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