Rockwell Automation 2706-F11J_F11JC_F21J_F21JC DL50 INSTALLATION MANUAL - Manual (Page 56)

Chapter 5
Serial Communications
5–6
Table 5.E
Line Number Effect On Catalog No. 2706-F21J, -F21JC
Display Mode
Line
Number
Field 5
(Decimal)
Text Displayed On Line
Number:
Character Size
(Inches)
2.1 Inch Text
1
2
3
4
30
1 (1st 20 Characters)
1 (2nd 20 Characters)
2 (1st 20 Characters)
2 (2nd 20 Characters)
1 and 2➀
2.1
2.1
2.1
2.1
2.1
4.8 Inch Text
1
2
3
4
30
1 ➁
Line Ignored
Line Ignored
Line Ignored
1 ➁
4.8
Not Applicable
Not Applicable
Not Applicable
4.8
Auto-Select
1
2
3
4
30
1
2
1 ➁
Line Ignored
1 and 2 ➀
2.1
2.1
4.8 (20 Characters)
Not Applicable
2.1
➀ If the line number is 30, this means that the host is requesting the text to be displayed on both lines 1 and 2. The
first 40 characters are displayed on line 1 and the second 40 characters on line 2. If more than 40 characters are
received, characters 81-160 will be displayed on the second screen, characters 161-240 on the third screen, etc.
➁ If more than 20 characters are sent, the DL50 will display the message in successive 20-character sections.
A line number of 48 will energize the annunciation relay. A line number of
49 will de-energize the annunciation relay.
Use relay for annunciator only. Do not use relay contacts for
purposes of control. Failure to follow this warning may result
in unexpected equipment operation.
ATTENTION:
!
Field 6: Carriage Return
The Carriage Return (decimal 13) indicates the end of a message packet.
Simplex Protocol (continued)