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554
Auxiliary Area Allocations by Address
Appendix D
A392
A392.12 Serial Port 1
Communica-
tions Error
Flag (CP1L M-
type CPU
Units)
• ON when a communications error
has occurred at the serial port 1 of
a CP1L M-type CPU Unit. (Not
valid in Peripheral Bus Mode or NT
Link mode.)
• ON when a timeout error, overrun
error, framing error, parity error, or
BCC error occurs in Serial Gate-
way mode.
ON: Error
OFF: No error
Retained
Cleared
---
---
A392.13 Serial Port 1
Send Ready
Flag (No-pro-
tocol Mode)
(CP1L M-type
CPU Units)
ON when the serial port 1 of a CP1L
M-type CPU Unit is able to send data
in no-protocol mode.
ON: Able-to-
send
OFF: Unable-
to-send
Retained
Cleared
Written
after trans-
mission
---
A392.14 Serial Port 1
Reception
Completed
Flag (No-pro-
tocol Mode)
(CP1L M-type
CPU Units)
ON when the serial port 1 of a CP1L
M-type CPU Unit has completed the
reception in no-protocol mode.
• When the number of bytes was
specified: ON when the specified
number of bytes is received.
• When the end code was specified:
ON when the end code is received
or 256 bytes are received.
ON: Recep-
tion com-
pleted
OFF: Recep-
tion not com-
pleted
Retained
Cleared
Written
after
reception
---
A392.15 Serial Port 1
Reception
Overflow Flag
(No-protocol
Mode) (CP1L
M-type CPU
Units)
ON when a data overflow occurred
during reception through the serial
port 1 of a CP1L M-type CPU Unit in
no-protocol mode.
• When the number of bytes was
specified: ON when more data is
received after the reception was
completed but before RXD(235)
was executed.
• When the end code was specified:
ON when more data is received
after the end code was received
but before RXD(235) was exe-
cuted.
ON when 257 bytes are received
before the end code.
ON: Overflow
OFF: No
overflow
Retained
Cleared
---
---
Address
Name
Function
Settings
Status
after
mode
change
Status
at star-
tup
Write
timing
Related
flags, set-
tings
Words
Bits
Содержание CP1L-L14D Series
Страница 2: ...CP1L L14D CP1L L20D CP1L M30D CP1L M40D CP1L CPU Unit Operation Manual Revised June 2007...
Страница 3: ...iv...
Страница 9: ...x...
Страница 13: ...xiv TABLE OF CONTENTS...
Страница 21: ...xxii...
Страница 33: ...xxxiv Conformance to EC Directives 6...
Страница 65: ...32 Function Blocks Section 1 5...
Страница 153: ...120 CP CPM1A series Expansion I O Unit Wiring Section 3 6...
Страница 523: ...490 Troubleshooting Unit Errors Section 9 4...
Страница 531: ...498 Replacing User serviceable Parts Section 10 2...
Страница 563: ...530 Auxiliary Area Allocations by Function Appendix C...
Страница 611: ...578 Auxiliary Area Allocations by Address Appendix D...
Страница 638: ...605 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 639: ...606 Connections to Serial Communications Option Boards Appendix F...
Страница 669: ...636 Index...
Страница 671: ...638 Revision History...