Message packet formats chapter 5 – Rockwell Automation 1770-KF2 Data Highway or Highway Plus Interface Module User Manual User Manual
Page 92

Message Packet Formats
Chapter 5
5-13
Table 5.B Continued
Contents of Status DATA for 1771-KA2, -KC/KD, -KE/KF; 1770-KF2; 1771-KG, 1774-KA; and
1785-KA Modules
Byte
Bit
Value
Meaning
10 Cont’d
1771-KG MODULE
0
0
1
Half-Duplex Protocol
Full-Duplex Protocol
1
0
1
Physical Writes Enabled
Physical Writes Disabled
2
0
1
Unprotected Commands Enabled
Unprotected Commands Disabled
3
0
1
Embedded Responses Enabled
Embedded Responses Disabled
4
0
1
Even Parity
No Parity
5-7
0
1
2
3
4
5
6
7
19,200
bps
9,600
bps
4,800
bps
2,400
bps
1,200
bps
600
bps
300
bps
110
bps
1774-KA MODULE
0
0
1
Unprotected Commands Enabled
Unprotected Commands Disabled
1
--
Not Used
2
0
1
Physical Writes Enabled
Physical Writes Disabled
3
0
1
Transmission of Unprotected Commands Enabled
Transmission of Unprotected Commands Disabled
4
0
1
Data Highway Port B Is Connected
Data Highway Port A Is Connected
5
0
1
PLC Outputs Held in Last State
PLC Outputs Turned Off
6-7
0
1
2
3
57,600
bps
76,800
bps
38,400
bps
115,200
bps
1770-KF2 MODULE
0-1
0
1
2
3
57,600 Bits per Second
Undefined
Undefined
undefined
2
--
Not Used
3-7
Logical Complement of the State of Option Switch SW-1, Switches 1 through 5
1785-KA MODULE
0
0
1
57,600 Bits per Second
Data Highway Baud Rate Switch
Undefined
1
0
1
57,600 Bits per Second
PCL Baud Rate Switch
Undefined
2-3
--
Not Used
4
--
Not Used
5
--
Not Used
6-7
--
Not Used
11
Address of the PCL Active Node Table
12
(Low Byte First)