Rockwell Automation 1770-KF2 Data Highway or Highway Plus Interface Module User Manual - Manual (Page 197)

Appendix
A
AĆ1
Switch Settings
Here is a reference for switch settings for a 1770-KF2 communication
interface module.
Table A.A
Asynchronous Link Features (SWĆ1)
If You Want
to Select With Error With
With
Embedded SWĆ1
Protocol as: Check as: Parity as: Responses: 1 2 3 4 5
Full Duplex BCC None No OFF OFF N/A N/A OFF
Full Duplex BCC Even No ON OFF OFF
Full Duplex BCC None Yes OFF ON OFF
Full Duplex BCC Even Yes ON ON OFF
Half Duplex BCC None No OFF OFF ON
Half Duplex BCC Even No ON OFF ON
Full Duplex CRC None Yes OFF ON ON
Half Duplex CRC None No ON ON ON
If You Want Your Module to: Set Switch 3:
Detect and Ignore Duplicate Messages ON
Accept All Messages Regardless of Duplication OFF
If You Want the Module's Asynchronous Port to: Set Switch 4:
Use Handshaking Signals ON
Ignore Handshaking Signals OFF
General