FPS Sensors – Interfaces
real-time connectivity
FPS sensors are designed for ease of use and simple connectivity.
Measured displacement information can be transferred to a personal
computer using USB or Ethernet (optional), where the measurement
software Daisy allows synchronous data visualization, analysis, and storage.
In addition to these standard interfaces, the FPS includes the high-speed
real-time digital interfaces AquadB and HSSL.
45 mm
214 mm
2
1
3
6
5
4
214 mm
1 Main Power 2 Ethernet (optional) 3 Serial
4 USB 2.0 5 GPIO (General Purpose Input/Output) 6 HSSL / AquadB
Interface Specifications
target velocity [m/s] 0.0001 0.001 0.01 0.1 1
resolution USB (abs.) 64 bit, 100 kHz [nm] 0.001 0.001 0.001 0.001 0.001
resolution HSSL (abs.) 8-48 bit, up to 25 MHz [nm] 0.001 0.001 0.001 0.001 0.001
resolution AquadB (inc.) at 25 MHz [nm] 0.004 0.04 0.4 4 40
BiSS-C
0 1 0 1
0
0 1 0 1 HSSL 0 (digital; bandwith up to 25 MHz and 8-48 bit resolution): attocube’s proprietary serial word protocol
Master
CLK
DAT
BiSS-C
CLK
Master
DAT
CLK
1 1 0 provides absolute position information. The HSSL interface consists of two signals (single ended or differential):
clock signal and the data signal that includes the position information.
1 the 0
1 1 0 1 AquadB
0 (digital; bandwith up to 25 MHz; resolution freely assignable): The AquadB interface provides incremental
CLK
A DAT
A
CLK
B B
A
B A
displacement information on target displacement. Position resolution and (maximum) clock rate can be user
defined using the software interface.