I have 1769-L32E (ver. 17) connected over its serial port to 1761-NET-AIC and over RS485 connected to RS485 port of PVcomponent 600 (port mx2). In 1769-L32E there is mapped data to N7 file. Both equipments are configured for DH485. All go fine but when the 1769-L32E is turned off and then turned on then its protocol on serial port is changed from DH485 to DF1. Do you have any advice for staying with DH485 on serial port of 1769-L32E?
DH485 on CompactLogix changed to DF1 after power-up
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