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Redes

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  1. Thanks for help! It seems that my assumptions were correct. Said vision model (V350-J-TR20), has two high speed output. It seems that it is just perferct for my two stepper motor aplication, i can assign each output for each drive. Also thanks for pnp/npn!
  2. Hello. I have few questions about Samba PLC functionality. I searched things, but im not sure that i understand correctly. First about my project. I planning to use Samba PLC, to turn two stepper motors, via stepper drive, and some other simple things. Not very complicated machine, it just need to do simple tasks, like: Rotate 9,3times (or x steps), wait, rotate back 4 steps, rotate back, etc. Not very complex, and i think easily programmable. The question is that, i see Samba have HSO for step control. But that speed is 0.5khz (i dont understand difference pnp vs npn right now, apart wiring). Stepper motor and drive as i understand have 400steps/rotation. Lets say i want to spin motor at 200rpm. If hso output speed is 500hz, which means like 500pulses over a second, and that is 1,25 rotation in a second for a motor? That is like 75rpm. I need to spin the motors for at least 150-200rpm.. so this plc will not be able to do this, or am i missing something? Sambas model: SM35-J-T20 I have chosen it because price is good, enough i/o
  3. Hello. I have JZ20-J-R31 unit. I want to program it, but it does not seem to connect to PC. I have mini USB to standart USB cable. I put cable into PLC and into PC, no sound, no reaction. Tried to install drivers, searched forum, nothing helps. But i have question, no one asked yet i think, do this PLC have to be powered on when programing, i mean do i need to put power to V+ V0 (24vdc) terminals to program it?Or it should work without power? (From usb port power?) thank you very much
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