90-70 and 90-30 communication SNP error 040c

[smile_88 0]

hello my project is to communicate a master 90-30 with port IC67CMM711 and a slave 90-70 with cpu IC693CPU374 using SNP Service BUT CUMMUNICATION IS FAILED; THE ADDRESS state of attachment returns 16#040C THAT MEETS IN THE MANUAL: SLAVE Equipment SNP Did not respond to the message sent by the master i jave joined my configuration hardware of master and slave

[Steve Bailey 118]

The problem could be in the cable connecting the two PLCs or it could be in the setup of the COMMREQ instruction in the 90-70 that initiates each exchange of data between them. Please provide details of both.

[RussB 22]

There is another possability here: http://forums.ge-ip.com/showthread.php?t=19685

[smile88 0]

yes i have wrote this publication :)