USB Optical Linear Scale Signal Reading And Transmitting Box 3 Axis TTL RS422
Introduction
USB303 is a reading and transmitting device of the linear scales data based on USB communication. It is including 3 linear scales and one touch probe adapters. When the touch probe is triggered or the RI points of the linear scales are detected, the 3 axis reading would be locked. When the touch probe is triggered it will return and indicate the direction point of the probe movement and if the triggering is effective.
The USB303 is identified as HID device, no driver is needed, plug and used. The USB303 is offering the bottom communicating interface of the HID devices, to achieve the device control and data exchange, the interface is communicating with the upper program, able for further developing.
Features:
Independent 3 axis 24 bits reverse counting.
When it is external triggered, the 3 axis lock the readings, delay of locking is less than 20ns.
1.0HZ 4 split phase input.
The A,B signal of each axis is supporting single end input or differential input.
When searching the RI point of the linear scale, polar of the RI, A or B signal is optional.
The positive or negative of the counting direction is controllable.
Digital filter included, increase the anti-noise capability.
Independent terminal external triggering, able to lock any one axis reading.
FPS is more than 30.
Only one USB cable is needed for the connecting between the USB303 and the PC. The traditional design is using PCI, inconvenient for installation and maintenance. The USB303 is especially suitable for using with laptop, easy installation and maintenance.
Parameters
| Input voltage | DC12V |
| Power | Less than 10W |
| Input signal | TTL or RS422, frequency < 2MHZ, current>1mA, power lower than 5V/70mA |
| Resolution | 0.1, 0.2, 0.5, 1, 5, 10 |
| Weight | 1 kg |
| Dimension | 200 x 100 x 40(mm) |
