
MS-4Xi Imager User’s Manual
A-25
Appendices
Polling Mode Data Flow Examples
Setup 1
Transfer 1
Transfer 2
Starting with a ‘RES’ ensures a clean transaction, without “leftovers” from the previous
transaction.
Error Condition 1
Address
0x01 (translates to) Poll Req @ ‘0x1C’, Unit Select @ ‘0x1D’
RES
0x04
REQ
0x05
STX
0x02
ETX
0x03
ACK
0x06
NAK
0x15
LRC
disabled
HOST_TX
‘RES’ ‘0x1D’ ‘REQ’ (Select Unit 1 to receive data)
IMAGER_TX
‘0x1D’ ‘ACK’ (Unit responds with its address)
HOST_TX
‘STX’ <T> ‘ETX’
IMAGER_TX
‘0x1D’ ‘ACK’ (Unit responds with its address)
HOST_TX
‘RES’ (Terminate Transfer 2)
HOST_TX
‘RES’ ‘0x1C’ ‘REQ’ (Poll Unit 1 for data)
IMAGER_TX
‘0x1C’ ‘STX’ <T/00000> ‘ETX’
HOST_TX
‘ACK’
IMAGER_TX
‘RES’ (Terminate Transfer 1)
HOST_TX
‘RES’ ‘0x1C’ ‘REQ’ (Poll Unit 1 for data)
IMAGER_TX
‘0x1C’ ‘STX’ <T/00000> ‘ETX’
HOST_TX
‘
Nothing
’ (Host should ‘ACK’ here)
timeout reached...
IMAGER_TX
‘REQ’ (Unit requests an ‘ACK’ again)
timeout reached...
IMAGER_TX
‘REQ’ (Unit requests an ‘ACK’ again)
timeout reached...
IMAGER_TX
‘REQ’ (Unit requests an ‘ACK’ again)
timeout reached...
IMAGER_TX
‘RES’ (Terminate Transfer 1, data is flushed)
Содержание MS-4Xi
Страница 1: ...MS 4Xi Imager User Manual P N 84 004444 Rev A ...
Страница 12: ...xii MS 4Xi Imager User s Manual Statement of RoHS Compliance ...
Страница 26: ...1 14 MS 4Xi Imager User s Manual Save Configuration in ESP ...
Страница 44: ...2 18 MS 4Xi Imager User s Manual Using EZ Trax ...
Страница 64: ...3 20 MS 4Xi Imager User s Manual Postamble ...
Страница 110: ...5 28 MS 4Xi Imager User s Manual Setting Up the Imager for EZ Trax ...
Страница 152: ...6 42 MS 4Xi Imager User s Manual Background Color ...
Страница 256: ...10 30 MS 4Xi Imager User s Manual Morphological Operation and Operator Size ...
Страница 306: ...13 26 MS 4Xi Imager User s Manual Other Operational Serial Commands ...
Страница 329: ...MS 4Xi Imager User s Manual A 9 Appendices PNP Output for Host Input ...
Страница 330: ...A 10 MS 4Xi Imager User s Manual Communication Protocol Commands PNP Output for External Load ...
Страница 332: ...A 12 MS 4Xi Imager User s Manual Electrical Specifications PNP ...
Страница 333: ...MS 4Xi Imager User s Manual A 13 Appendices Output Wiring ...