interesting its going
well i think you are not getting my point what i have been asking is this....
while there are two types cables ,
1-->One side (PLC) is M8Dpin other is Gp 25pin male Connector ,
2-->One side (PLC) are 4 wires RDA RDB SDA SDB and other side is Gp 25pin male Connector.
using RS422 stuff which is described in manual of GP2300. in addition to this subject
SDA and SDB has 330ohm (terminating) resistor attached near plc.
RDA and RDB has 330ohm (terminating) resistor attached near plc.
SDA and SDB has 100ohm Resistor Attached because i am using custom cable as described in mannual.
and i tried all possible combinations with following settings and all i got is PLC receive data error somewhat 2FD means plc is communicating but data is not being decipher by HMI ,.that is why i need to know specific Wire Connection and Specific one of the attached / following setting to clear all my doubts.
I hope u\ve got the idea.
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