Relay4 User Manual
Contents
1. Relay4 Manual All Mikroelektronika s development systems feature a large number of peripheral modules expanding microcontroller s range of application and making the process of program testing easier In addition to these modules it is also possible to use numerous additional modules linked to the development system through the I O port connectors Some of these additional modules can operate as stand alone devices without being connected to the microcontroller 7 MikroElektronika SOFTWARE AND HARDWARE SOLUTIONS FOR EMBEDDED WORLD waking ib siw ple Relay4 The Relay4 additional board is used to connect a development system to high power consumption devices by using relays Key features Four relays 250V 16A voltage on relay contacts 12V power supply voltage Figure 1 Relay4 additional board How to connect the board The Relay4 additional board can be easily connected to a development system via a 2x5 connector CN1 This connector is connected to a development system port via a flat cable with IDC10 connectors Screw terminals connected to working and non working relay contacts are used to establish connection between relays supplied on the additional board and a device The additional board is supplied with the power supply voltage via a screw terminal CN2 How to use the board The Relay4 board receives a voltage signal from the development system via the CN1 connector The rec2. eived signal is used to activate relays which then turn on a device connected to these relays via screw terminals CN11 CN16 Connectors WO W3 are connected to working whereas connectors NWO NW3 are connected to non working relay contacts MikroElektronika OUT OUT 5 5 OUT OUT gt OUT 50UT IN OUT IN OUT GND CFWD ULN2803 Figure 2 Relay4 board connection schematic 9 89 86 49 Figure 3 Dimensions of the Relay4 board MikroElektronika 2 aouu mmm B SN JOU sjesodosd sse uisng 10 5 suoijsenb Aue Jl ye 49491 INOA 9ejd se jd pasu sjonpoid ino Jo YUM 5 aulos SRE WO 3oy IU MMM IN Ino aseoid sjonpoid ind Jode wea eter Jj QTYOM 803 5 7105 JYVMCYVH 1405
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