Diagnostic Message; Diagnostic Message Frame; Diagnostic Message Contents List - Mitsubishi FX2N-32DP-IF User Manual

FX2N-32DP-IF Profibus-DP Interface Unit
8.

Diagnostic Message

8.1

Diagnostic Message Frame

When a diagnostic error occurs in the 32DP-IF, a diagnostic message is sent from the 32DP-IF
to the DP-master as shown in Figure 8.1. Refer to section 5.2 for the diagnostic message
description.
Note:
If the DP-master receives a diagnostic message, make provisions for the system to act
safely in accordance with the error message.
Figure 8.1: Diagnostic message Frame
Byte No.
Total length of
Description diagnostic message
data is 9 (09 Hex)
Byte No.
Second diagnostic
Description
Higher byte of D8004
Byte No.
Higher byte of last
diagnostic message
Description
data
*1 This diagnostic message shows either the number of momentary power failures or the
error code relating to the contents of D8004 (byte No. 3, 4). For error code, refer to
section 5.2.4 or 9.3.3.
*2 This diagnostic message is either "0" or the contents of D8068.
8.2

Diagnostic Message Contents List

Table 8.1: Diagnostic Message List
Item
32DP-IF status is STOP
Momentary power failure
Power down
I/O bus error
Parameter error/
Configuration error
Operation error
0
Lower byte of D8029
4
message
Lower byte of
diagnostic
8
*2
This value is "0".
This value is number of momentary
power failures in D8007.
This value is error code in D8061.
This value is error code in D8064.
This value is error code in D8067.
1
First diagnostic message
Higher byte of D8029 Lower byte of D8004
5
Third diagnostic message
Higher byte of error
*1
code
Third diagnostic message
Diagnostic Message 8
2
Second diagnostic
6
Lower byte of last
diagnostic message
data
*1
Last diagnostic message
This value is "0".
This value is in D8068.
3
message
7
*2
8-1