RS232 (serial) port

RS485 MODBUS DISCONNECT

Started by MTZOVARAS

Replies: 2
Views: 67

December 03, 2024, 07:00:47 am
by MTZOVARAS

RS485

Started by MTZOVARAS

Replies: 3
Views: 71

November 01, 2024, 05:06:11 am
by Roman Novgorodov

OnAfterSend never fires

Started by PlusPlus

Replies: 2
Views: 190

June 11, 2024, 06:46:02 am
by PlusPlus

problems connecting in .exe file

Started by messenger

Replies: 1
Views: 1,544

May 09, 2022, 11:11:05 am
by Roman Novgorodov

Why can't I send a hexadecimal character with a high bit of 1?

Started by sxbug

Replies: 8
Views: 4,652

January 02, 2021, 10:06:25 am
by sxbug

nrComAfterReceive - Number of received bytes reported - not consistent

Started by Francois

Replies: 1
Views: 5,627

August 06, 2020, 08:45:52 am
by Roman Novgorodov

nrComm cannot communication with Arduino that use CH340G Chip but Comport can do

Started by amit

Replies: 6
Views: 7,269

January 14, 2020, 07:24:12 am
by Roman Novgorodov

How to list all COM ports and open available ports without clicking?

Started by Minh-Quang LE

Replies: 1
Views: 1,621

January 25, 2019, 02:19:07 am
by Roman Novgorodov

How to get 400 value one time request with modbus

Started by truongbhh@gmail.com

Replies: 3
Views: 913

December 29, 2018, 01:35:43 pm
by Roman Novgorodov

nrCommm.AfterReceive is too slow, how can i speed it up

Started by thorsten

Replies: 2
Views: 2,111

November 07, 2018, 02:24:12 pm
by Roman Novgorodov

Failed to communicate with device

Started by mikerabat

Replies: 0
Views: 2,579

January 15, 2018, 07:39:02 am
by mikerabat

OnAfterSend event not firing

Started by PlusPlus

Replies: 0
Views: 1,658

December 29, 2017, 11:23:28 am
by PlusPlus

turn off & on LED with delphi

Started by jr_ozv

Replies: 0
Views: 1,867

May 06, 2017, 06:41:57 am
by jr_ozv

ASTM component

Started by damos

Replies: 0
Views: 1,938

October 27, 2016, 07:44:01 am
by damos

How to set xon and xoff char of comport

Started by carsten

Replies: 0
Views: 2,106

August 02, 2016, 03:05:15 pm
by carsten

Serial RS232 port

Started by doug johnson

Replies: 1
Views: 2,953

January 21, 2016, 05:51:15 am
by hid1

Serial port enumeration - I want to see only free/unused serial ports

Started by AntonL

Replies: 1
Views: 2,415

October 04, 2015, 01:17:30 am
by Roman Novgorodov

Modbus can't write twice

Started by crestxa

Replies: 1
Views: 2,353

August 06, 2015, 07:22:22 am
by Roman Novgorodov

send wrong!

Started by crestxa

Replies: 0
Views: 2,463

June 04, 2015, 07:00:31 am
by crestxa

Read data from several serial ports simultaneously

Started by felorza

Replies: 0
Views: 2,607

June 01, 2015, 10:07:25 pm
by felorza