C-more micro EA1-S6ML User Manual

Allen-Bradley Error Code P499 Explanation
The P499 error code is used to show any errors that are generated by the connected PLC. The
P499 error message includes a four digit hexadecimal value displayed at the end of the message.
This value can be looked up in the specific PLC’s error tables to determine the cause of the error.
The possible PLC generated error codes for the Allen-Bradley DF1 and DH485
communication protocol is represented by a hexadecimal value as shown in the following
diagram. Please note that the error code is broken down into three sections. It is possible for
more than one type of PLC error to be displayed in this value.
A–6
Appendix A: Panel & PLC Error Code Tables
A
®
EA1-MG6-USER-M Hardware User Manual, 1st Ed. Rev C, 09/10
AA
1110100000001111
Local
0-3 bits
Remote
4-7 bits
EXT STS
byte
17F0
hex
P499 Error Code Message
Displayed Hexadecimal Value
AB DF1 Protocol Error Code P499 Breakdown
16-bit
Word
Example of an EXT STS error
for a “Type mismatch.”
0123456789101112131415
Stop
Start
P499: Recv. Err Code F017
Allen-Bradley PLC Error Code Displayed Example
Local
0-3 bits
Remote
4-7 bits
EXT STS
byte
AB DF1 Protocol – Multiple Error Code Examples
xx0x
xxxF
900F
90xx
Error P499
Value Displayed
+
+
=
xx1x
xxx1
0011
00xx
+
+
=
xx1x
xxxF
901F
90xx
+
+
=
Example 1 Example 2 Example 3
xx3x
Remote
4-7 bits
+
xxx2
+
00xx
=
+
0032
Local
0-3 bits
EXT STS
byte
Error P499
Value
Displayed
Error Recieved = P499: Recv. Err Code 3200
Remote = 0x3000 = Remote node host is missing,
disconnected or shut down.
Local - 0x0200 = Cannot Guarantee Delivery; Link
Layer. The remote node specified does not
A
CK Command
EXT STS = 0000 = None

C-more micro EA1-S6ML Specifications

General

Brand	C-more micro
Model	EA1-S6ML
Category	Graphics Tablet
Language	English