General Description:
The DSCARD is an 8051 based microcontroller (DS80C320) with resources to control
up to 4 TTL/CMOS inputs, up to 4 relay outputs (Form A, 30Vdc @ 1A max.), and
a Wiegand Card Reader control/ interface port. In addition the unit can sense
several jumper settings, has onboard LED indicators and, a socket for an optional
battery backed clock/calendar/RAM. The DSCARD has an addressable (8-bit) RS485
communications port for operation up to 115.2K Baud. An onboard switching regulator
allows for 9-35VDC operation of the unit.
| Download: | ||
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DSCARDCP.pdf | DSCARD CPU Schematic |
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DSCARDIO.pdf | DSCARD I/O Schematic |
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DSCARDSW.pdf | Physical characteristics |
| Link to DSCARD Detailed Information and Communications Specification |
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Click on this image of the DSCARD for full-size (178k) photograph:
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Please call us at: 513-874-4796
| Contact
Information: R.E. Smith, 10330 Chester Road, Cincinnati, Ohio 45215 513-874-4796 Phone, 513-874-1236 Fax., rs485.com |
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