Rockwell Automation 2706-LV2P_LV2R_LV4P_LV4R DL40 PLUS USER MANUAL User Manual
Page 163

Error & Status Messages
B–2
Publication 2706-807
Message
Meaning
Type
MAXIMUM LENGTH MSG
PRESS ANY KEY
On–Board Editor
Error
The maximum length of each DL40 Plus message is
200 characters (10 lines of text). This warning is
displayed when the user attempts to enter more than
200 characters.
MESSAGE FILE IS FULL
PRESS ANY KEY
On–Board Editor
Message
This reminder is displayed when creating a new
message or adding to an existing message. The
internal memory space in the DL40 Plus is filled. The
amount of memory available is displayed as FILE
FREE.. xx. xK on the second line of the screen used
to enter the on–board editor.
NA CHIP ERROR
Configuration/Status
During Power–Up
Error
The RIO chip may be bad. Cycle power on the DL40
Plus. If the problem persists, contact your
Allen-Bradley representative.
NO PLC COMMUNICATION
Run Mode
Error
The DL40 Plus Remote I/0 port is not actively
communicating with the PLC. Several things can
cause this message to appear (but only when the
DL40 Plus is in the Run Mode).
PLC not powered
Loose or pulled Remote I/0 cable
Reversed Remote I/0 cable wires
Incorrect baud rate
PLC not configured for this rack
NOTE: INCOMPATIBLE
PORT USAGE
On–Board Editor
Error
Either the RS-485 or the RS-232 port may be used
for slave operation but not both. To set the current
port to slave use, first switch the other port to Open
Protocol or Programmer.
NOTE: MSGS WON’T BE
SENT TO RS485 SLAVES
On–Board Editor
Message
This reminder is brought up when the RS–485 PORT
USE parameter is changed from DL SLAVES to
another value.
NOTE: SET 485 OR 232
PORT USE FOR SLAVES
On–Board Editor
Error
This message is displayed if you set the SEND TO
SLAVE message attribute to a legal slave address,
but neither 485 nor 232 port usage is set to DL
SLAVES. It is also displayed when the Run Mode
selection is changed to
MESSAGE/VARIABLE/SLAVE but neither the 485
nor 232 port usage is set to DL SLAVES.
NV RAM FAILURE
General Error
The battery supplying the nonvolatile RAM may be
bad. Cycle power on the DL40. If the problem
persists, contact Allen-Bradley for technical
assistance.
ONLY 1 DATE CALLOUT
On–Board Editor
Error
The (Ctrl Y) character (date callout) can only occur
one time in a DL40 Plus message. This error is
displayed if you attempt to enter more than one.
ONLY 1 TIME CALLOUT
On–Board Editor
Error
The (Ctrl T) character (time callout) can only occur
one time in a DL40 Plus message. This error is
displayed if you attempt to enter more than one.
PRINTER ERROR
Print Mode
Error
While attempting to send data to the printer, an error
was detected on the RS–232 port. This can be
caused by a missing or incorrectly wired printer
cable, improper baud/data bit/parity selections, or
electrical noise picked up by the cable.
RACK CONFlG. ERROR
Configuration/Status
During Power–Up
Error
An invalid combination of rack size and starting
module group have been entered on the DL40 Plus
DIP switches. An example of such an error would be
a starting module group of 2, with a full rack size.
REAL TIME CLOCK
BATTERY POSSIBLE BAD
Configuration/Status
During Power–Up
Error
The battery supplying the real time clock may be bad.
Continued operation may cause data corruption.
Contact you local Allen–Bradley service
representative.
REAL-TIME CLK FAULT
Configuration/Status
During Power-Up Error
The battery supplying the Real-Time Clock and
nonvolatile RAM may be bad. Cycle power on the
DL40. If the problem persists, contact Allen-Bradley
for technical assistance.