715
Auxiliary Area Allocations by Address
Appendix D
A392
07
Serial Port 2
Reception
Overflow Flag
(No-protocol
mode) (CP1L
EM-type CPU
Units)
ON when a data overflow occurred
during reception through the serial
port 2 of a CP1L EM-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
---
---
Serial Port 1
Reception
Overflow Flag
(No-protocol
mode) (CP1L
EL-type CPU
Units)
ON when a data overflow occurred
during reception through the serial
port 1 of a CP1L EL-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.
12
Serial Port 1
Communica-
tions Error
Flag (CP1L
EM-type CPU
Units)
• ON when a communications error
has occurred at the serial port 1 of
a CP1L EM-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
---
---
13
Serial Port 1
Send Ready
Flag (No-pro-
tocol Mode)
(CP1L EM-
type CPU
Units)
ON when the serial port 1 of a CP1L
EM-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
---
14
Serial Port 1
Reception
Completed
Flag (No-pro-
tocol Mode)
(CP1L EM-
type CPU
Units)
ON when the serial port 1 of a CP1L
EM-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
---
15
Serial Port 1
Reception
Overflow Flag
(No-protocol
Mode) (CP1L
EM-type CPU
Units)
ON when a data overflow occurred
during reception through the serial
port 1 of a CP1L EM-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
Summary of Contents for CP1L-EL20DR-D
Page 3: ...CP1L EL20D CP1L EM30D CP1L EM40D CP1L EL EM CPU Unit Operation Manual Produced July 2017...
Page 4: ...iv...
Page 10: ...x...
Page 22: ...xxii...
Page 34: ...xxxiv Software Licenses and Copyrights 7...
Page 192: ...158 Trial Operation and Debugging Section 5 3...
Page 250: ...216 Automatic Clock Adjustment and Specifying Servers by Host Name Section 6 7...
Page 666: ...632 Trouble Shooting Section 11 7...
Page 696: ...662 Standard Models Appendix A...
Page 805: ...771 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Page 806: ...772 Connections to Serial Communications Option Boards Appendix F...
Page 836: ...802 PLC Setup Appendix G...
Page 838: ...804 TCP Status Transitions Appendix H...
Page 840: ...806 Ethernet Network Parameters Appendix I...
Page 842: ...808 Buffer Configuration CP1L EL EM Appendix J...
Page 844: ...810 Ethernet Specifications Appendix K...
Page 851: ...Index 817 work words 118 write protection 447...
Page 852: ...818 Index...
Page 854: ...820 Revision History...
Page 855: ......