690
Auxiliary Area Allocations by Function
Appendix C
Serial Port 1 Information (CP1L CPU Units with EL CPU Type)
Serial Port 2 Information (CP1L CPU Units with EM CPU Type)
Name
Address
Description
Access
Updated
Serial Port 1 Communica-
tions Error Flag
A392.04
ON when a communications error has occurred at the
serial port 1.
Note
Not supported for 1:N NT Link Mode.
Read-only
Serial Port 1 Restart Bit
A526.00
Turn this bit ON to restart the serial port 1.
Read/write
Serial Port 1 Settings
Change Bit
A619.02
ON while the serial port 1’s communications settings are
being changed.
Read/write
Serial Port 1 Error Flags
A528.00 to
A528.07
These flags indicate what kind of error has occurred at
the serial port 1.
Read/write
Serial Port 1 Send Ready
Flag (No-protocol mode)
A392.05
ON when the serial port 1 is able to send data in no-pro-
tocol mode.
Read-only
Serial Port 1 Reception
Completed Flag (No-proto-
col Mode)
A392.06
ON when the serial port 1 has completed the reception in
no-protocol mode.
Read-only
Serial Port 1 Reception
Overflow Flag (No-protocol
mode)
A392.07
ON when a data overflow occurred during reception
through the serial port 1 in no-protocol mode.
Read-only
Serial Port 1 PT Communi-
cations Flags
A393.00 to
A393.07
The corresponding bit will be ON when the serial port 1 is
communicating with a PT in NT link mode.
Bits 0 to 7 correspond to units 0 to 7.
Read-only
Serial Port 1 PT Priority
Registered Flags
A393.08 to
A393.15
The corresponding bit will be ON for the PT that has pri-
ority when the serial port 1 is communicating in NT link
mode.
Bits 0 to 7 correspond to units 0 to 7.
Read-only
Serial Port 1 Reception
Counter (No-protocol Mode)
A393.00 to
A393.15
Indicates (in binary) the number of bytes of data received
when serial port 1 is in no-protocol mode.
Read-only
Name
Address
Description
Access
Updated
Serial Port 2 Communica-
tions Error Flag
A392.04
ON when a communications error has occurred at the
serial port 2.
Read-only
Serial Port 2 Restart Bit
A526.00
Turn this bit ON to restart the serial port 2.
Read/write
Serial Port 2 Settings
Change Bit
A619.02
ON while the serial port 2’s communications settings are
being changed.
Read/write
Serial Port 2 Error Flags
A528.00 to
A528.07
These flags indicate what kind of error has occurred at
the serial port 2.
Read/write
Serial Port 2 Send Ready
Flag
(No-protocol mode)
A392.05
ON when the serial port 2 is able to send data in no-pro-
tocol mode.
Read-only
Serial Port 2 Reception
Completed Flag
(No-protocol Mode)
A392.06
ON when the serial port 2 has completed the reception in
no-protocol mode.
Read-only
Serial Port 2 Reception
Overflow Flag
(No-protocol mode)
A392.07
ON when a data overflow occurred during reception
through the serial port 2 in no-protocol mode.
Read-only
Serial Port 2 PT Communi-
cations Flags
A393.00 to
A393.07
The corresponding bit will be ON when the serial port 2 is
communicating with a PT in NT link mode.
Bits 0 to 7 correspond to units 0 to 7.
Read-only
RS-232C Port PT Priority
Registered Flags
A393.08 to
A393.15
The corresponding bit will be ON for the PT that has pri-
ority when the serial port 2 is communicating in NT link
mode.
Read-only
RS-232C Port Reception
Counter
(No-protocol Mode)
A393.00 to
A393.15
Indicates (in binary) the number of bytes of data received
when serial port 2 is in no-protocol mode.
Read-only
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: ......