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Is it possible that if common mode range of the receiver increases then transceiver become faulty?
Let me conclude that I need to improve my circuit by doing these modification,
1- Low impedance ground connection needed through a short fat wire instead of a longer thinner wire.
2- TVS diode...
I am using a RS-485 Network in my circuit with ST485 ECDR IC.My circuit suddenly stop working,Stop means that during working slave stop to reply the master,then when I replace the IC it start to replay again.Transceiver was damaged .
This behaviour is very random,sometime it occur with in a...
Thanks man, you are very helpful.
Sorry my mistake
Your both statements are contradicting
Actually when first time the problem occur in my slave device, I checked on oscilloscope and found that there was some noise from ground, so I separate the ground of Master and slave device and then...
Yes I know the purpose of PU/PD resistor, but what I was asking is that do I need to add PU/PD resistor on Slave node also? (as Mention in my circuit diagram)
Stopped means that during working slave stop to reply the master,then when I replace the IC it start to replay again.
This behaviour is...
Ok. I got your Point, Let me give you some detail of problem that I am facing,
I am using a RS-485 Network in my circuit with ST485 ECDR IC.
My Mater device is working fine but my Slave IC stop working,
Circuit diagram : https://obrazki.elektroda.pl/9951537300_1363460102.jpg
I think I...
Thanks man,
Propagation velocity = 0.66 x speed of light = 197863022.28 m/s.
For a 30m cable the propagation delay should be 152 ns but I took (155*3)455 ns "assuming it damps out in 3 round trip."
So I think 455ns is enough.
What you say?
I have a half duplex RS485 communication between 1 slave and master but was wondering what is the effect of the termination resistor?
My length of CAT5 cable is 30 meter and the baud rate is 19200.
A cable is not seen as a transmission line if the signal rise time is more than four times the...
Re: seg disp code for asm language
Hi
I want to ask you what's the purpose of this initialization.
const char SegCode[11] = {0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10,0xFF};
// 0 1 2 3 4 5 6 7 8 9 OFF
const char Column [3] =...
I think i am unable to explain my problem clearly.
Lemme try one more time
I am designing a system using micro controller which can tell you about difference of Present health with health at the time of purchaisng battery
let suppose i purchased a battery of capacity (original Battery...
Thanks to your reply but you did n't understand my problem , i am well aware of Pukert's factor. I am not concerned about the Discharging capacity .i want to know whats the present health of my battery(i.e maximum charge holding capacity which will be less from the rated capacity as the day...
I have designed the algorithm to detect the battery current health please correct me if i am wrong or any modification required.
Let suppose my battery is 12V and 100amp battery.i have connected the DC-Ct which detect the charging/discharging of battery via +ve/-ve current
If (Battery_status...
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