G3
Series
PROFIBUS
‐
DP
Technical
Manual
Page
65
TDG3PTTM1-2EN
02/09
Subject to change without notice
www.numatics.com/g3
Extended Diagnostics
Data Diagnostic Telegram
Example data structure (Hexadecimal):
Byte 0
07 Total number of bytes in telegram determined by physical configuration
Byte 1
00 Diagnostic Word, byte 0 (see below)
Byte 2
00 Diagnostic Word, byte 1 (see below)
Byte 3
07
1
st
diagnostic byte of valve driver module. Diagnostic for Output byte 0
(00000111) Diagnostic bit high for coils 0, 1, 2
Byte 4
00 2
nd
diagnostic byte of valve driver module. Diagnostics for output byte 1
Byte 5
FF 3
rd
diagnostic byte of valve driver module. Diagnostics for output byte 2
Byte 6
FF
4
th
diagnostic byte of valve driver module. Diagnostics for output byte 3
Byte 7…
X
X
Diagnostics for next I/O module in system if applicable
Diagnostic bits for outputs are as follows:
Output Type
Output
State
Fault Condition
Status
Bit
No Fault
0
ON
Fault -
Short Circuit, Over Temp/Over Current
1
No Fault
0
Valve Solenoid Coil Driver
OFF
Fault -
Open Load
1
No Fault
0
Discrete Outputs
ON
Fault -
Short Circuit, Over Temp/Over Current
1
Diagnostic bits for inputs are as follows:
Input Type
Input
State
Fault Condition
Status
Bit
No Fault
0
Input N/A
Fault -
Short Circuit on connector
1
Diagnostic Word Format
BYTE
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
1
(Comm. Status)
Reserved
Reserved
Reserved
Reserved
Reserved
Sub-Bus
Error
(1=Error)
UnSwitched
Power Status
(1=Error)
Switched
Power Status
(1=Error)
2
(Sub-Bus Status)
Error
Code
Error
Code
Error
Code
Module
Address
Module
Address
Module
Address
Module
Address
Module
Address
Byte 0 Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8 Byte 9
07
00
00
07
00
FF
FF
XX
XX
XX