Duplex protocol (continued), Field 6: message attributes – Rockwell Automation 2706-F11J_F11JC_F21J_F21JC DL50 INSTALLATION MANUAL User Manual
Page 60

Chapter 5
Serial Communications
5–10
Field 6: Message Attributes
This three byte field specifies how a message is displayed. The three bytes
specify:
Display Mode
Display Speed
Byte 1
Text Height
Relay Control
Byte 2
Byte 3
Reserved
Display Mode / Speed The first byte of the Message Attributes field
specifies display mode / display speed. The first five bits indicate display
mode and the last three bits indicate the display speed.
Bit
7
Bit
6
Bit
5
Bit
4
Bit
3
Bit
2
Bit
1
Bit
0
Display Speed
Display Mode
Set Bits 5 and 6
using Table 5.D
Set Bits 0 through 4
using Table 5.H
Always
Set to 1
Table 5.H
Bits 0 through 4 of the Message Attribute 1st Byte
Function➀
Bits 4
z 0
Decimal Value➁
Hold
0 0 0 0 0
0
Roll Up
0 0 0 0 1
1
Roll Down
0 0 0 1 0
2
Roll Left
0 0 0 1 1
3
Roll Right
0 0 1 0 0
4
Roll In
0 0 1 0 1
5
Roll Out
0 0 1 1 0
6
Rotate
0 0 1 1 1
7
Wipe Up
0 1 0 0 0
8
Wipe Down
0 1 0 0 1
9
Wipe Left
0 1 0 1 0
10
Wipe Right
0 1 0 1 1
11
Wipe In
0 1 1 0 0
12
Wipe Out
0 1 1 0 1
13
Twinkle
0 1 1 1 0
14
Sparkle
0 1 1 1 1
15
Snow
1 0 0 0 0
16
Interlock
1 0 0 0 1
17
Switch
1 0 0 1 0
18
Slide Across
1 0 0 1 1
19
Spray On
1 0 1 0 0
20
Starburst On
1 0 1 0 1
21
Scroll
1 0 1 1 0
22
Reserved
1 0 1 1 1
! 1 1 1 1
23
! 31
➀ Refer to Appendix A for descriptions of these attributes.
➁ Add decimal values for all bits within a byte to determine value of the entire byte.
Duplex Protocol (continued)