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14 Serial Communications
14-16
CP2E CPU Unit Software User’s Manual(W614)
z
Error Codes
z
Related Auxiliary Area Words and Bits
The Modbus-RTU command set in the DM fixed allocation words for the Modbus-RTU Easy Master
is automatically sent when the Modbus-RTU Master Execution Bit is turned ON. The results (normal
or error) will be given in corresponding flags.
Code
Description
Description
00 hex
Normal end
−
01 hex
Illegal address
The slave address specified in the parameter is illegal (24
8
or higher).
02 hex
Illegal function code
The function code specified in the parameter is illegal.
0
3
hex
Data length overflow
There are more than 94 data bytes.
04 hex
Serial communications mode
error
The Modbus-RTU Easy Master function was executed when the
serial communications mode was not the Modbus-RTU Easy Mas-
ter Mode or when the option board is not equipped.
8
0 hex
Response timeout
A response was not received from the slave.
8
1 hex
Parity error
A parity error occurred.
8
2 hex
Framing error
A framing error occurred.
83
hex
Overrun error
An overrun error occurred.
8
4 hex
CRC error
A CRC error occurred.
8
5 hex
Incorrect confirmation address The slave address in the response is different from the one in the
request.
8
6 hex
Incorrect confirmation function
code
The function code in the response is different from the one in the
request.
8
7 hex
Response size overflow
The response frame is larger than the storage area (92 bytes).
88
hex
Exception response
An exception response was received from the slave.
8
9 hex
Service being executed
A service is already being executed (reception traffic congestion).
8
A hex
Execution canceled
Executing the service has been canceled.
8
F hex
Other error
Other FINS response code was received.
Word
Bit
Port
Contents
A640 02
Built-in
RS2
3
2C port of
CP2E E/S
-type CPU
Unit or Serial Port 1 of
CP2E N
-type CPU Unit
Modbus-RTU Master Execution Error Flag
ON: Execution error.
OFF: Execution normal or still in progress.
01
Modbus-RTU Master Execution Normal Flag
ON: Execution normal.
OFF: Execution error or still in progress.
00
Modbus-RTU Master Execution Bit
Turned ON: Execution started
ON: Execution in progress.
OFF: Not executed or execution completed.
A641
02
Built-in RS-4
8
5 port of
CP2E S
-type CPU Unit
or Serial Port 2 of CP2E
N
3
0/40/60 CPU Unit
Modbus-RTU Master Execution Error Flag
ON: Execution error.
OFF: Execution normal or still in progress.
01
Modbus-RTU Master Execution Normal Flag
ON: Execution normal.
OFF: Execution error or still in progress.
00
Modbus-RTU Master Execution Bit
Turned ON: Execution started
ON: Execution in progress.
OFF: Not executed or execution completed.
Содержание SYSMAC CP Series
Страница 1: ...USER S MANUAL Cat No W614 E1 01 SYSMAC CP Series CP2E E D CP2E S D CP2E N D CP2E CPU Unit Software ...
Страница 3: ......
Страница 32: ...1 Overview 1 4 CP2E CPU Unit Software User s Manual W614 ...
Страница 44: ...3 CPU Unit Operation 3 8 CP2E CPU Unit Software User s Manual W614 ...
Страница 116: ...6 I O Allocation 6 8 CP2E CPU Unit Software User s Manual W614 ...
Страница 144: ...7 PLC Setup 7 28 CP2E CPU Unit Software User s Manual W614 ...
Страница 170: ...10 Interrupts 10 14 CP2E CPU Unit Software User s Manual W614 ...
Страница 200: ...11 High speed Counters 11 30 CP2E CPU Unit Software User s Manual W614 ...
Страница 272: ...12 Pulse Outputs 12 72 CP2E CPU Unit Software User s Manual W614 ...
Страница 278: ...13 PWM Outputs 13 6 CP2E CPU Unit Software User s Manual W614 ...
Страница 460: ...18 Programming Device Operations 18 28 CP2E CPU Unit Software User s Manual W614 ...
Страница 576: ...Revision 2 CP2E CPU Unit Software User s Manual W614 ...
Страница 577: ......