
7.20
Bimba Position Feedback Cylinder Accessories
Engineering Specifications
Repeatability: ±0.001" Cylinder Only.
Refer to specifications in the following sections for positioning or
measuring repeatability. Power supply ripple and A/D error may reduce
repeatability when PFC is utilized with industrial control systems.
Nonlinearity: ± 1 percent of full stroke
Resolution: Infinite
Signal Input: 10 VDC typical
Input Impedance Required: 1 MOhm
Signal Output: > 0 to slightly less than FS signal input
(The internal electrical stroke is slightly larger than the
mechanical stroke of cylinder)
Maximum Speed: 25 in./sec.
Rated Life of LRT Wiper: 1,000
1
miles of travel
Rated Life of Probe: 10 million cycles
1
Air Requirements: Filtered to 5 micron with 0 degree dewpoint recommended.
Moisture inside cylinder will cause output signal fluctuation.
Pressure Rating: 150 psi
Temperature Rating: 0° to 200°F
2
Interface: 6" standard leads or optional 8mm DIN connector
Cylinder Body: 304 stainless steel
Piston Rod: Hard chrome plated carbon steel with blackened
threads and wrench flats
Rod Bushing: Sintered bronze
End Caps: Anodized aluminum alloy
Piston Seal: Internally lubricated urethane (standard)
Internally lubricated Buna (L option)
Rod Wiper: Internally lubricated Buna N (omitted on L option)
Rod Seal: Internally lubricated Buna N (N/A on standard model)
1
Higher velocities increase wear rate.
2
Special low temperature lubrication is required for positioning applications using option L seals below 35°F.
ESTIMATED CYLINDER WEIGHTS (LBS)
1-1/16" 1-1/2" 2 2-1/2" 3
PFC- 0.44 0.88 2.02 2.78 3.62
PFC-X 0.49 0.96 2.14 2.96 3.85
PFC-BF 0.54 1.07 2.28 3.02 4.08
ADDER WT/IN 0.06 0.10 0.15 0.20 0.29
Repair Parts
PART DESCRIPTION
RPFC-Bore Stroke-Options*
Replacement Cylinder
RD-53129-Stroke-Options**
Replacement Probe
• Blank - no connector
• P - replacement corded connector**
• PA - non-corded with connector**
* Only options required are BF, B, and L as Rear Cap is not included.
** Select option for type of probe.
How to Order
Add the bore size, stroke and options needed to the basic
model number shown above for replacement cylinder.
Add the stroke length to the basic model number shown
above for a replacement probe. For example, a replacement
probe for a 6" stroke Position Feedback Cylinder would be
ordered as a RD-53129-6.
LRT CIRCUIT DIAGRAM
STROKE = 0; OUTPUT VOLTAGE = 0 VOLTS
STROKE = FULL; OUTPUT VOLTAGE = 10 VOL
OUTPUT
(WHITE)
+10
(RED)
GROUND
(BLACK)
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