NCD Input Scanner RS-232 User Manual Download

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Summary of Contents for Input Scanner RS-232

Page 1: ...Copyright 1 996 1 997 1 998 1 999 2000 National Control Devices 8SC RS 232 Input Scanner Users Guide Revision 1 0 B y R y a n S h e l d o n...

Page 2: ...o be scanned and transmitted Acting like a networkable parallel to serial encoder the 8SC when combined with 15 more 8SC devices can obtain 128 bits of input from a single serial port The 8SC is fully...

Page 3: ...es to send data to your computer without using extensive logic circuits to OR together incoming data If you are not familiar with OR ing data you should know that the process can be complicated especi...

Page 4: ...ou continue When data is received by the computer from the 8SC each pin that is connected to ground will return a unique number Example When no inputs are tied to ground RN2 pulls all inputs high This...

Page 5: ...e all pins are in the socket Verify all parts are installed according to the directions and that you have a modem cable attached Also verify there are no shorted solder connections on the 8SC board We...

Page 6: ...display the reply from the 8SC NCD 110C Addressing Addressing the NCD 110C is very easy On all NCD devices we use jumpers to set the address These jumpers are always located at pins 10 to 13 on the PI...

Page 7: ...Copyright 1 996 1 997 1 998 1 999 2000 All Rights Reserved Amiga is a registered trademark of Commodore Business Machines IBM is a registered trademark of International Business Machines Macintosh is...