F1. PCD2 / _Firmware Classic Why the RS-485 S-Bus [...] possible that the some of the S-Bus telegrams transferred from the PCD S-Bus master to the S-Bus slaves over RS485 are malformed, and the S-Bus slave does reject the request from the master. This could lead to the situation that for example the PCD S-Bus master don’t receive actual values from E-Line RIO’s or that the program download of a PCD program from the PC to a Slave PCD which is located behind
standard RS 485-Port for S-Bus, to add a Bus-Terminal etc. The wiring is: D-Sub S-Net MPI S-Bus / Terminal ... Pin 3 RxD/TxD-P --------------------- /TX /RX 5 [...] only supported by the PCD4 and PCD6 Reason The reason is, that the "IO Bus Quit fail" is a hardware interrupt created by the PCD4 and PCD6 I/O modules. On the PCD3 and also PCD2 I [...] . Can the S-Net MPI-Port on the PCD3.M5xx0 and on the PCD2.M5xx0 be used as standard RS-485 Port (FAQ #100500) Yes, it is
. PCD2 / _Firmware Classic Why the RS-485 S-Bus [...] possible that the some of the S-Bus telegrams transferred from the PCD S-Bus master to the S-Bus slaves over RS485 are malformed, and the S-Bus slave does reject the request from the master. This could lead to the situation that for example the PCD S-Bus master don’t receive actual values from E-Line RIO’s or that the program download of a PCD program from the PC to a Slave PCD which is located behind
2.F540). PCD2 / _Firmware Classic Why the RS-485 S-Bus [...] possible that the some of the S-Bus telegrams transferred from the PCD S-Bus master to the S-Bus slaves over RS485 are malformed, and the S-Bus slave does reject the request from the master. This could lead to the situation that for example the PCD S-Bus master don’t receive actual values from E-Line RIO’s or that the program download of a PCD program from the PC to a Slave PCD which is located behind
. Why does my RS-232 S-Bus communication not work with the PCD2.F2xx0 and PCD3.F2xx module? (FAQ #101775) The RS-232 S-Bus [...] V020) it may be, that the S-Bus communication over converters (like modem or optical converters) to other devices does not work. The S-Bus communication works fine, if no converters are used in between. Also other communications protocols then S-Bus like "Mode C, Modbus" works fine on the PCD2.F2xx0 and PCD3.F2xx module (with and without converters in between). On the print screen below
standard RS 485-Port for S-Bus, to add a Bus-Terminal etc. The wiring is: D-Sub S-Net MPI S-Bus / Terminal ... Pin 3 RxD/TxD-P --------------------- /TX /RX 5 [...] . PCD2 / _Firmware Classic Why the RS-485 S-Bus [...] possible that the some of the S-Bus telegrams transferred from the PCD S-Bus master to the S-Bus slaves over RS485 are malformed, and the S-Bus slave does reject the request from the master. This could
. PCD1 / _Firmware Classic Why the RS-485 S-Bus [...] possible that the some of the S-Bus telegrams transferred from the PCD S-Bus master to the S-Bus slaves over RS485 are malformed, and the S-Bus slave does reject the request from the master. This could lead to the situation that for example the PCD S-Bus master don’t receive actual values from E-Line RIO’s or that the program download of a PCD program from the PC to a Slave PCD which is located behind
The E-Line S-Series RIO modules are controlled via RS-485 from a S-Bus or Modbus master and enable decentralised automation using industrial quality components. The data point mix is specifically designed for applications in the HVAC sector.
Product Category Archive Remote I/O PCD1.T240 S-Bus RIO General FAQ The requested software / document is no longer marketed by Saia [...] . PCD1.T240 Remote I/O for S-Bus (obsolete) Documentation Good to know Not all PCD2.xxx modules are
corrections All PCD’s: On S-Bus data mode, if S-Bus CRC contains a S-Bus DLE as last character then S-Bus telegram is incorrect and not accepted from S-Bus recipient. (Since FW 1.28.20) All PCD’s: Not [...] implemented correctly. All PCD’s: When S-Bus IP Nodelist is used it’s possible that the communication using nodes does no more work after execute a download in run All PCD’s: XOB parameter as Registers [...] Why the RS-485 S-Bus communication between the PCD master and the slave does fail sometime, if FW 1.28.20…1.28.33 is used? (FAQ #102026)
