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Posts uit januari, 2018 weergeven

DPS5005 power supply, remote control using python serial port modbus

Just a short one. I bought one of these things. It can do 50 volt 5 Amp, I have not looked at the quality of the output (noise, overshoot all unknown to me)  but should be alright to control a lamp, a battery or a strip of LED's is my guess. You can easily control the current and voltage output using a serial port. (a usb-serial-rs485 was provided) I seems to talk modbus protocol. To change the baud rate and modbus-slave-address, keep POWER button pressed during power on, this will enter you into the configuration menu. register list here : Register Map for this device. Function Description Number of bytes Decimal places UNIT Read/Write Register address U-SET Voltage setting 2 2 V R/W 0000H I-SET Current setting 2 3 A R/W 0001H UOUT Output voltage display value 2 2 V R 0002H IOUT Output