Self-guided linear encoders

New self-guided optical linear encoder with integrated bearings. Mainly intended, although not only, for press brakes
and shears. The linear encoder especially designed with a resolution of up to 1 μm, with a user-selectable reference position and with cable exit at either end of the reader head for a more versatile machine design.

The robust design, the mentioned characteristics together with both types of couplings (rod and flexible) offer the perfect solution to manufacturers of machines, forming equipment and cutting with the best quality-price ratio on the market.

Measuring lengths in millimeters:
70 • 120 • 170 • 220 • 270 • 320 • 370 • 420 • 470 • 520 • 570 • 620 • 670 • 720 • 770 • 820 • 870 • 920 • 970 • 1020 • 1140 • 1240 • 1340 • 1440 • 1540

Characteristics:
	PBSD	PBSX
Measurement	By means of a 100 μm-pitch graduated glass
Glass thermal expansion coefficient	αtherm: 8 ppm/K aprox.
Measuring resolution	5 μm	1 μm
Output signals	TTL diferencial
Incremental signal period	20 μm	4 μm
Limit frequency	50 KHz	250 KHz
Minimum distance between flank	1,2 μs	0,6 μs
Reference marks I0	May be selected with a magnet every 50 mm
Maximum cable length	50 m
Supply voltage	5 V ± 5%, < 175 mA
Accuracy	± 10 μm/m
Maximum speed	60 m/min
Maximum vibration	150 m/s²
Maximum shock	300 m/s²
Maximum acceleration	30 m/s² in the measuring direction
Required moving force	< 5 N
Operating temperature	0 ºC … 50 ºC
Storage temperature	-20 ºC ... 70 ºC
Weight	0,5 kg + 1,3 kg/m measuring length
Relative humidity	20 … 80%
Protection	IP 53
Reader head	Leftward or rightward incorporated cable of 1 or 3 meters*
Coupling	Coupling rod Spring rod

(*) contact Fagor Automation for other lengths

Order identification:
Example of Linear Encoder: PBSD-220-1D-L
PB	S	D	220	1	D	L
Encoder self-guided linear	Reference mark: • S: Selectable	Type of signal: • D: 5 μm resolution differential TTL •X: 1 μm resolution differential TTL	Measuring lengths in mm: In the example (220) = 220 mm	Cable length: • 1: 1 meter •3: 3 meters	Connector: • D: subD HD 15 M •C1/C5: 12-pin round connector •C4E: 9-pin round connector	Cable exit: •Blank space: right • L: left