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Auxiliary Area Allocations by Function
Appendix C
Modbus-RTU Easy Master Information (CP1L CPU Units with M CPU Type)
Note
DM fixed allocation words for Modbus-RTU Easy Master for serial port 1: D32200 to D32299
DM fixed allocation words for Modbus-RTU Easy Master for serial port 2: D32300 to D32399
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
Name
Address
Description
Access
Updated
Serial Port 1 Modbus-RTU
Master Execution Bit
A641.00
Turn ON this bit to send a command and receive a
response for serial port 1 using the Modbus-RTU easy
master function.
This bit will be turned OFF automatically by the system
when communications have been completed.
Turned ON: Execution started
ON: Execution in progress.
OFF: Not executed or execution completed.
Read-only
Serial Port 1 Modbus-RTU
Master Execution Normal
Flag
A641.01
ON when one command has been sent and the
response received for serial port 1 using the Modbus-
RTU easy master function.
ON: Execution normal.
OFF: Execution error or still in progress.
Read-only
Serial Port 1 Modbus-RTU
Master Execution Error Flag
A641.02
ON when an error has occurred in communications for
serial port 1 using the Modbus-RTU easy master func-
tion. The error code is output to D32352 in the DM fixed
allocation words for Modbus-RTU Easy Master.
ON: Execution error.
OFF: Execution normal or still in progress.
Read-only
Serial Port 2 Modbus-RTU
Master Execution Bit
A640.00
Turn ON this bit to send a command and receive a
response for serial port 2 using the Modbus-RTU easy
master function.
This bit will be turned OFF automatically by the system
when communications have been completed.
Turned ON: Execution started
ON: Execution in progress.
OFF: Not executed or execution completed.
Read-only
Serial Port 2 Modbus-RTU
Master Execution Normal
Flag
A640.01
ON when one command has been sent and the
response received for serial port 2 using the Modbus-
RTU easy master function.
ON: Execution normal.
OFF: Execution error or still in progress.
Read-only
Serial Port 2 Modbus-RTU
Master Execution Error Flag
A640.02
ON when an error has occurred in communications for
serial port 2 using the Modbus-RTU easy master func-
tion. The error code is output to D32252 in the DM fixed
allocation words for Modbus-RTU Easy Master.
ON: Execution error.
OFF: Execution normal or still in progress.
Read-only
Name
Address
Description
Access
Updated
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...