Rockwell-automation 1770-KF2 Data Highway or Highway Plus Interface Mo Manual de usuario Pagina 197

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Appendix
A
A1
Switch Settings
Here is a reference for switch settings for a 1770-KF2 communication
interface module.
Table A.A
Asynchronous
Link Features (SW
1)
If Y
ou W
ant
to Select
W
ith Error
With
With
Embedded
SW1
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 Y
ou Want Y
our Module to:
Set Switch 3:
Detect and Ignore Duplicate Messages
ON
Accept All Messages Regardless of Duplication
OFF
If Y
ou W
ant the Module's Asynchronous Port to:
Set Switch 4:
Use Handshaking Signals
ON
Ignore Handshaking Signals
OFF
General
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