Motrona LW217: Optical Fiber Send-Module for SSI Absolute Encoder
Features
- 1 SSI input / output channel [RS422] with format DATA+, DATA-, CLOCK+, CLOCK-
- 1 Error input (LW217) resp. 1 open-drain-output (LW218)
- Maximum input frequency 1 MHz
- Very short conversion time < 300 nsec.
- Optical wavelength 850 nm
- Transmission distance up to 2000 meters
- Power supply 5 VDC (for LW217)
- Power supply 10 … 30 VDC (for LW217-1)
- Free adjustable SSI resolution from 1 … 99 bit
- Snap-on housing for top-hat rail (according to EN 60715)
- Pre-configured optical fibres are available
Motrona LW217: Optical Fiber Send-Module for SSI Absolute Encoder
Features
- 1 SSI input / output channel [RS422] with format DATA+, DATA-, CLOCK+, CLOCK-
- 1 Error input (LW217) resp. 1 open-drain-output (LW218)
- Maximum input frequency 1 MHz
- Very short conversion time < 300 nsec.
- Optical wavelength 850 nm
- Transmission distance up to 2000 meters
- Power supply 5 VDC (for LW217)
- Power supply 10 … 30 VDC (for LW217-1)
- Free adjustable SSI resolution from 1 … 99 bit
- Snap-on housing for top-hat rail (according to EN 60715)
- Pre-configured optical fibres are available
The fibre optic modules LW217 and LW218 together form a transmission system for data transmission of SSI signals utilizing optical fibres. The system ensures a reliable optical fibre-optic signal transmission up to 2000 meters (also due to explosive areas) and consists of an LW transmitter and an LW receiver.
The component with the designation LW217 serves as a transmitting module for the transmission of optical fibres. It converts the absolute SSI signals of a conventional sensor, measuring system or encoder with a synchronous serial interface (SSI) into optical fibre signals. The LW receiver (see LW218) converts the optical signals back into SSI signals.
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