Installation chapter 3 – Rockwell Automation 1770-KF2 Data Highway or Highway Plus Interface Module User Manual User Manual
Page 26

Installation
Chapter 3
3-2
Figure 3.1
Communication Option Switches
O
O 1 2 3 4 5
O
O 1
2
3
13529
O
O 1
2
O
O 1
2
3
O
O 1
2
O
O 1 2 3 4
N
F
F
N
F
F
N
F
F
N
F
F
N
F
F
N
F
F
Station Number
(SW-2, SW-3, SW-4)
Asynchronous Link
Features (SW-1)
Network Link
Communication
Asynchronous Link
Communication
O
O 1
2
N
F
F
ON
OFF
ON
OFF
ON
OFF
Front View
Side View
Й
Й
Й
O
O 1
2
N
F
F
O
O 1
2
N
F
F
RS-232-C/RS-422-A
Selection (SW-8)
Network Link
Selection
(SW-7)
Rate (SW-6)
Rate (SW-5)
Important: The KF2 reads the status of the communication option
switches only at power-up, so you must make your selection with the
KF2’s power off.
Asynchronous Link Features
The following table shows you how to set the asynchronous link features
using Switch Numbers 1, 2, and 5.
If You Want
to Select
With 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