Search results

You may enter multiple names here.
  1. L

    MODBus Memory Mapping

    Sorry for my late response. Thank you for the hints!
  2. L

    MODBus Memory Mapping

    Hi Guy! Another interesting addressing example. In the same system but on MODbus TCP/IP network there is VTS device. Here is some example of<pre> (BMS : Buliding management system ) 1st column : Bms type 2nd column : Modbus index 3rd Column : BMS Direction 4th column : Variable...
  3. L

    MODBus Memory Mapping

    Hi Guys! Thank you for your quick response! OK, I will try to handle them in a normal way and we will see... Thanks again!
  4. L

    MODBus Memory Mapping

    Hi Guys, Is it possible that all the discret inputs, coils, input registers and holding registers are in the same memory area I mean in the 40000's. I have a honeywell controller. It's manual says the following (some example)<pre> Cooling_Signal 40121 uint16 Read Only Open_Temp 40122...
  5. L

    MODBUS Wrong Register Value

    Dear Guys! Thank you for the fast feedback. Yes you must be right it is multiplied with 50. So it means if I want to visualize or use this value in a control algorithm I must divided with 50 in the PLC, am I right? Is it happen very often in Modbus communication that the transferred data is...
  6. L

    MODBUS Wrong Register Value

    Dear All, I have a problem on my MODBUS network. At the moment I just have an ARRAY AR1520U Modbus master to connect the network with my PC and one slave a Siemens RDF302 HVAC panel. I use MODScan32 to monitor. My problem is that I can not read back the right value from the HVAC panel...
Top