Rockwell-automation 2755-DM9, -DM9E High Speed Decoder Manual de usuario Pagina 130

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 167
  • Tabla de contenidos
  • SOLUCIÓN DE PROBLEMAS
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 129
Chapter 8
Host Commands Using the RS-485 Interface
8–18
C
B
A
A
Series A, Revision A decoder would return- 00000000
Series B, Revision C decoder would return- 00100010
The Bulletin Number/Name (Bytes 9 through 19) will be returned as an
ASCII encoded message “2755-DM9 [SPACE][SPACE][SPACE]”.
The Product Information (Bytes 20 through 27) are unused and returned as a
value of 00 (hex).
Diagnostic Loop Reply
Diagnostic Loop - Refer to the following illustration. The response to a
diagnostic loop command echoes any data contained in the diagnostic loop
data area of the command.
DIAGNOSTIC LOOP REPLY
00000000
01000110
TRANSACTION WORD
HI Byte LOW Byte
LOOP DATA
(SAME DATA AS COMMAND)
Reset Counters Reply
Reset Counters - After resetting the counters, the decoder returns the
following:
RESET COUNTERS REPLY
00000000
01000110
TRANSACTION WORD
HI Byte LOW Byte
Vista de pagina 129
1 2 ... 125 126 127 128 129 130 131 132 133 134 135 ... 166 167

Comentarios a estos manuales

Sin comentarios