Summary Of Diagnostic Possibilities - Festo FB16 Electronic Manual

VIFB16 - 03/05

5.1 SUMMARY OF DIAGNOSTIC POSSIBILITIES

Input modules
(electrical inputs)
Dia- Status bits
gnostic
possi-
Statusbits
bilities
Bit 7 Bit 6
0 0
X 0
X 1
X 1
1 X
X = not relevant
Brief The four status bits
descrip- are transferred to the
tion field bus module
cyclically as "inputs"
with the normal inputs.
Advan- Fast access to error
tage messages
Detailed Chapter 5.4
descrip-
tion
Fig. 5/1: Possibilities of diagnosis and error treatment
0506b
5. Diagnosis/error treatement
The modular valve terminal offers extensive and
user-friendly possibilities of diagnosis and error
treatment. Depending on the equipment fitted,
the following possibilities are available:
Equipment on the valve terminal
LEDs
Bedeutung
Bit 5 Bit 4
0 0
1 X
0 X
1 X
X X
The LEDs
show
configuration
error,
hardware error,
bus error etc.
Fast "on-the-
spot" error
recognition
Chapter 5.2
FB16
Diagnostic word
F E D C B A 9
POWER I/O ERR
NET
ERR
BUS
FUSE 2A
24VDC
The diagnostic word must
be user-program
controlled (acyclically)
read, and evaluated.
Detailed error recognition
Chapter 5.5
6 7 6 5 4 3 2 1 0
5-3