Multi-circuit 3 phase Energy Metering Alternatives
Measuring 50+ 3 phase circuits. Instead discrete meters, want to use multi-circuit product or Data Acquisition modules and software.
Modbus Communication Between ControlLogix5570 and Mark VIe
Can I use Modbus communication with controllogix5570, directly or should use prosoft products?
Multi GE PAS 8000 I/O (Controller) issue
12 sets of redundant GE PAS8000 controller in the same network can't function
ALE111 module send failure
Yokogawa ALE111 module communication problem
By peterb on 24 August, 2016 - 1:12 am
Hi Bolek, As always prevention is better than cure. I demonstrated the ALE111 crash to Yokogawa...
By Bolek on 22 August, 2016 - 5:58 pm
Hi, I think that it must be any problem with the ALE111 cards. In my network work a lot of...
RS485 Does Not Work if Ground Is Connected
Posted by Chinmay Harkare on 4 July, 2016 - 9:40 pm
A working system stopped working and started working again when ground wire was removed
Is there a hardware (ideal) or software (fallback) solution to read via Modbus TCP from several servers and give out the gathered data on a single IP address?
By anonymous on 9 August, 2016 - 11:34 pm
Hello Gabriele and Chris, The proconX MBRG-300 router/gateway can re-map slave IDs and also...
By ModbusChris on 9 August, 2016 - 1:55 pm
That's an interesting question. I understood that it's done via the register address range and...
By Gabriele Corrieri on 9 August, 2016 - 8:14 am
Hello, have you idea how to discriminate slave 1 of first server from slave 1 of second one? ...
By anonymous on 9 August, 2016 - 1:33 am
> So am looking for some sort of Modbus Router that can read as a Master via Modbus TCP data...
Modbus RTU with Grain Watch System
Modbus master appears to communicating from Modbus Poll to network controller (slave), but the slave is not returning any information.
Reading data from DSE genset controller via Modbus using S7-1200 by siemens
Modbus RTU Siemens and Rotork Valves
I have Modbus receive error (0830) in cp341 diagnostic buffer, when i sent request for command and status to MOV Master Station (Rotork Valves)
By Harvard on 13 August, 2016 - 9:40 pm
QUOTE: >i checked rtu with modscan also, because my pc have serial >port. with modscan rtu,...
By hamid Ankouti on 10 August, 2016 - 10:30 am
any body know what is connection diagram between cp341 15 pin connector and rotork mov master...
By Bob Peterson on 30 July, 2016 - 9:10 pm
I thought about this for a while. I think there's a little bit of a language barrier here, so I'm...
By Bob Peterson on 30 July, 2016 - 2:06 pm
The first thing to do is look in the manual and see what Modbus receive error 0830 means. i did...
Remote GT Operation Modbus or Ethernet or Controlnet
Is there any limitation /standard/best practice for using Modbus for controlling GT from DCS or remote station??
Problems reading data from flow computer using Modbus FC3
possible to configure RS232 of UPS to Modbus using RS232 to RS485 converter
BMS integration of RS232 UPS with Modbus..
By aan aan on 31 July, 2016 - 8:50 pm
Looks like you need to install SNMP to Modbus RTU gateway, below is an example of such converter : ...
Looking for some advice on how to connect to Modbus from a DOS screen
on 26 July, 2016 - 6:22 pm
genersi, Are just referring to the panel-mounted, black-and-white CRT display on the left front...
No reply from the modbus RTU devices despite a right setup on modbus devices as well as in the Docklight software.
Siemens HMI to Emerson Drive via Modbus RTU Communication