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+--- Thread: B4 Smart Controller Wiring Examples (/showthread.php?tid=9244)
B4 Smart Controller Wiring Examples - admin - 04-17-2026
B4 Smart Controller Wiring Examples
RE: B4 Smart Controller Wiring Examples - vojtech - 06-03-2026
Is it possible to receive a schematic to this board? I am mostly interested in the protection circuits on analog inputs, input impedance and power supply protections (does it have any fuse, reverse voltage protection etc). I do not want to damage it by some own error, it is better to know, what is protected and what is not.
Thanks,
Vojtech.
RE: B4 Smart Controller Wiring Examples - admin - 06-03-2026
here is photo of power circuit and analog input circuit.
RE: B4 Smart Controller Wiring Examples - vojtech - 06-04-2026
Sorry, but this picture is not well to understand, the signal associations are unclear (what is VDC, VCC) etc. Could you add a complete schematic in the pdf?
For the 4-20mA input, it is not too much clear too, if there is "bleed" resistor for the current measurement inside or not as well. The documentation will be great, can you post the link?
RE: B4 Smart Controller Wiring Examples - admin - 06-04-2026
sorry, no other document.
RE: B4 Smart Controller Wiring Examples - vojtech - 06-09-2026
(06-04-2026, 11:55 AM)admin Wrote: sorry, no other document.
I am sorry to hear that. If I like to use it as an engineer, it is insufficient information for serious usage. Please ask your designers for more detailed information.