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Appendix A Module Settings
Appendix A discusses the necessary settings for 2 gateway modules. The 1785-KE
module, Series A and B, and the 1771-KE and 1771-KF modules.
A.1 1785-KE Module (Series A) Switch Settings
The 1785-KE module (Series A) has 6 switch assemblies which allow the selection of
various communications options. The 1785-KE Module RS-232 parameters should be set
up as follows:
·
Full duplex
·
Same parity as configured for the DeltaV PSIC Port
·
BCC error checking
·
Data Highway Plus communications baud rate of 57.6 K
·
RS-232C communications baud rate same as DeltaV PSIC port
·
Execute diagnostic commands
There are additional switches on the 1785-KE module (Series A) which may require
adjustment. Refer to the Allen-Bradley User Manual for further information.
·
SW1 - RS-232C link
·
SW2 - Not used (Switches must be off)
·
SW3/SW4 - Node Number
·
SW5 - Network link communication baud rate
·
SW6 - RS232C link communication rate and diagnostic commands
A.2 1785-KE Module (Series B) Switch Settings
The 1785-KE (Series B) has 4 switch assemblies which allow the selection of various
communications options. The 1785-KE Module RS-232C parameters should be defined
as follows:
·
Full duplex
·
Same parity as configured for the DeltaV PSIC port
·
BCC error checking
·
Data Highway Plus communications baud rate of 57.6K
·
RS-232C communications baud rate same as configured for DeltaV PSIC port
·
Execute diagnostic commands
