Table of Contents ix
Errors ....................................................................................................................................... 8-6
Things to Remember When Using SSI Communication ................................................................ 8-6
Using Time Delay to Low Power Mode with SSI ............................................................................ 8-7
Encapsulation of RSM Commands/Responses over SSI .............................................................. 8-8
Command Structure ................................................................................................................. 8-8
Response Structure ................................................................................................................. 8-8
Example Transaction ............................................................................................................... 8-9
Command from Host to Query Packet Size Supported by Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9
Response from Device with Packet Size Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9
Command from Host to Retrieve Diagnostic Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9
Response from Device with Diagnostic Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9
Simple Serial Interface Default Parameters ................................................................................. 8-10
SSI Host Parameters ................................................................................................................... 8-11
Select SSI Host ...................................................................................................................... 8-11
Baud Rate .............................................................................................................................. 8-12
Parity ...................................................................................................................................... 8-13
Check Parity ........................................................................................................................... 8-14
Stop Bits ................................................................................................................................. 8-14
Software Handshaking ........................................................................................................... 8-15
Host RTS Line State .............................................................................................................. 8-16
Decode Data Packet Format .................................................................................................. 8-16
Host Serial Response Time-out ............................................................................................. 8-17
Host Character Time-out ........................................................................................................ 8-18
Multipacket Option ................................................................................................................. 8-19
Interpacket Delay ................................................................................................................... 8-20
Event Reporting ........................................................................................................................... 8-21
Decode Event ......................................................................................................................... 8-21
Boot Up Event ........................................................................................................................ 8-22
Parameter Event .................................................................................................................... 8-22
Chapter 9: RS-232 Interface
Introduction .................................................................................................................................... 9-1
Connecting an RS-232 Interface .................................................................................................... 9-2
RS-232 Parameter Defaults ........................................................................................................... 9-3
RS-232 Host Parameters ............................................................................................................... 9-4
RS-232 Host Types .................................................................................................................. 9-6
Baud Rate ................................................................................................................................ 9-8
Parity ........................................................................................................................................ 9-9
Stop Bit Select ........................................................................................................................ 9-10
Data Bits ................................................................................................................................. 9-10
Check Receive Errors ............................................................................................................ 9-11
Hardware Handshaking .......................................................................................................... 9-11
Software Handshaking ........................................................................................................... 9-13
Host Serial Response Time-out ............................................................................................. 9-15
RTS Line State ....................................................................................................................... 9-16
Beep on <BEL> ...................................................................................................................... 9-16
Intercharacter Delay ............................................................................................................... 9-17
Nixdorf Beep/LED Options ..................................................................................................... 9-18
Ignore Unknown Characters .................................................................................................. 9-18
ASCII Character Set for RS-232 .................................................................................................. 9-18