12
Malfunctions
NOTICE!
Repairs to the product are not permissible. In the event of malfunctions or failure:
Replace the product and let Festo know about the failure. Return defective
products to Festo.
Fault description
Cause
Remedy
Piston rod does not move in the
desired direction
Displacement encoder cable
incorrectly connected at posi-
tioner or DFPI.
Correct the connection
Piston rod does not move in the
desired direction
Compressed air connections
connected incorrectly
Correct the connection
Tab. 10
13
Disassembly
1. Switch off the power supply (operating medium, electrical power supply).
2. Disconnect electrical and pneumatic connections.
3. Undo the retaining screws of the drive and remove the drive.
14
Disposal
ENVIRONMENT!
Send the packaging and product for environmentally sound recycling in accord-
ance with the current regulations
è
15
Technical data
DFPI-...
-100
-125
-160
-200
-250
-320
Type of mounting
Mounting interface in accordance with ISO 15552
Spanner size on the piston rod
22
27
36
36
46
55
Stroke
[mm]
40 … 990
Min./max. stroke allowance
[mm]
0 … 4
Design
Piston rod, cylinder barrel
Cushioning
No cushioning
Mounting position
any
Mode of operation
double-acting
Position detection
With integrated displacement encoder
Displacement encoder measuring principle – potentiometer (DFPI-...-NB3...)
Operating voltage range
[V DC]
0 … 15
Independent linearity
[% FS]
_
0.04
Hysteresis
[mm]
0.33
Repetition accuracy
[mm]
_
0.12
Resistance value of displacement encoder (at TET) dependent on stroke length
1)
≤ 290 mm
[kΩ]
5
> 290 … 590 mm
[kΩ]
10
> 590 … 990 mm
[kΩ]
20
Recommended current at the displacement encoder
Recommended slider current
[µA]
< 0.1
Max. short-time slider current
[mA]
10
Displacement encoder measuring principle – potentiometer with integrated transmitter (DFPI-...-
NB3...-T)
Power Supply
2-wire
Analogue output
[mA]
4 … 20
Operating voltage range
[V DC]
0 … 30
Reverse polarity protection
Yes
Independent linearity
[% FS]
_
0.05
Hysteresis
[mm]
0.4
Repetition accuracy
[mm]
0.7
Electrical connection
DFPI-...-NB3P
DFPI-...-NB3P9
Straight plug; 3-pin; screw terminal
DFPI-...-NB3M12
Plug M12x1, A-coded
DFPI-...-NB3P-T
DFPI-...-NB3P9-T
Terminal strip; 2-pin
DFPI -...- NB3M12-T
Plug M12x1, A-coded
Pneumatic port
DFPI-...-NB3P-...
for tubing outside
Æ
8 mm
DFPI-...-NB3P9/M12-...
Air connection G
y
Operating pressure
[bar]
3 … 8
Nominal operating pressure
[bar]
6
Operating medium
Compressed air in accordance with ISO 8573-1:2010
[7:4:4]
Note on the operating medium
lubricated operation possible
(required in further operation)
DFPI-...
-100
-125
-160
-200
-250
-320
Degree of protection in mounted
state
IP65, IP67, IP69K, NEMA 4
Ambient temperature
[°C]
–20 … +80
Product weight
Basic weight at 0 mm stroke
[g]
4900
7500
12800
18100
31100
57700
Additional weight per 10 mm
stroke
[g]
90
134
200
238
358
582
Moving mass at 0 mm stroke
[g]
1060
1900
3700
4800
9300
16500
Additional moving mass per
10 mm stroke
[g]
28
53
89
89
134
227
Information on materials
Cylinder barrel
Anodised wrought aluminium alloy
Cover (end cap)
Coated wrought aluminium alloy
Bottom cover (bearing cap)
Coated die-cast aluminium
Tie rods
high-alloy stainless steel
Piston rod
high-alloy stainless steel
Flange screws/nuts
Coated steel
Screws
–
Coated steel
–
high-alloy stainless steel
Rod bearing
Sintered bronze
Piston rod seal
PUR
NBR
Static seal
NBR
Note on materials
–
DFPI -...- NB3P: PWIS-free, RoHS-compliant
–
DFPI-...-NB3P9/M12: contains PWIS, RoHS-com-
pliant
Vibration resistance in accordance
with DIN/IEC 68 Part 2-6
0.35 mm path at 0 … 60 Hz;
5 g acceleration at 0 … 150 Hz
Continuous shock resistance as
per DIN/IEC 68 Part 2-82
_
15 g at 6 ms duration; 1000 shocks per direction
1) TET = theoretical electrical travel
Tab. 11 Technical data
15.1
Max. permissible lateral forces for static applications
NOTICE!
In controlled operation, it may be necessary to adjust the max. lateral force to the
type of control.
Horizontal installation
Fig. 8
Vertical installation
Æ
100
Æ
125
Æ
160/200
Æ
250
Æ
320
Fig. 9