Rockwell Automation 2706-DXX Dataliner Message Display DL5 Series - Manual (Page 96)

2706-UM001A-US-P
13-2 Maintenance and Troubleshooting
Messages do not trigger properly.
Messages are not displayed when
triggered.
“INVALID MSG#” is displayed on DL5
1. Parallel port voltages are not per
DL5 requirements.
2. Serial Trigger / Configure DIP
switch SW1-1 is not in correct
position.
3. Message number is not present
on the DL5 data lines for the
required hold time.
4. Strobe lines are not being set to
indicate message numbers.
5. Incorrect Run mode is selected.
6. Messages being triggered do not
exist (INVALID MSG#)
1. Check the voltage range of your
controller outputs.
2. Check the setting of DIP switch
SW1-1
3. Configure your control systems
so message numbers are held on
the data lines for a minimum of
110 milliseconds.
4. Configure your control system to
set the data lines to indicate
message number.
5. Set Run mode to match the type
of output used by the control
system (Binary, BCD, etc.).
6. Program the messages into the
DL5.
Note: In all cases use the debug
mode (Chapter 8) to verify that the
inputs to the DL5 parallel port are
correct.
7, 12
2
7
7, 8
8
3
Messages with embedded variables
are not displayed properly. 1. Strobe lines are incorrectly set.
2. Data and strobe line timing
requirements are not met.
3. Incorrect Run mode is selected
4. Ctrl-V characters incorrectly
embedded in message.
1. Configure the control system to
set the strobe lines for the type
of data (message number or
variable data) being sent.
2. Configure the control system to
meet timing requirements.
3. Set the Run Mode to match the
type of outputs used by the
control system.
4. Check for proper insertion of
Ctrl-V characters.
9
9
8
9
Delays exist between messages (the
screen is blank). 1. Blank message block created at
the end of a message due to
typing Control J at end of edit.
Edit the message and remove any
blank message blocks. 3
Problem Probable Causes Corrective Action(s) Reference