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14 Serial Communications
14-26
CP2E CPU Unit Software User’s Manual(W614)
z
Data Memory (DM) Area Settings
DM Fixed Allocation Words for Modbus-RTU Easy Master
The settings are changed by the MOV instruction, and are used to change, start and stop frequency
reference.
RUN Command (Example of coil writing)
Output Frequency (Example of holding register writing)
For details on
3
G
3
MX2-V1 parameters and Modbus-RTU communication data, refer to the
3
G
3
MX2-V1 U
s
er
’s
Manual
(I5
8
5).
With the Modbus-RTU Easy Master, a CRC-16 checksum does not need to be set in the DM Area,
because it is calculated automatically.
Setting
Slave
address
FUNCTION
code
Communication
data bytes
Communication data
D1303 to D1349 (maximum)
94 bytes (47 words) max.
Address
D1
3
00
D1
3
01
D1
3
02
D1
3
0
3
D1
3
04
Value
00
01
00
05
00
04
00
00
Description
3
G
3
MX2-V1
Slave address: 01
(Hex)
Coil writing
command
05 (Hex)
Communication
data
4 bytes (Hex)
Coil number for
RUN command:
0001 Hex
* (Coil number) -1
Start: FF00 (Hex)
Stop: 0000 (Hex)
Setting
Slave
address
FUNCTION
code
Communication
data bytes
Communication data
D1303 to D1349 (maximum)
94 bytes (47 words) max.
Address
D1
3
00
D1
3
01
D1
3
02
D1
3
0
3
D1
3
04
Value
00
01
00
06
00
04
00
01
Description
3
G
3
MX2-V1
Slave address: 01
(Hex)
holding register
writing command
06 (Hex)
Communication
data
4 bytes (Hex)
Output frequency
(lower) register
number: 0002
Hex
* (Register
number) -1
Frequency setting
value
Set in 0.01 Hz
Set to 60.00 Hz, it
is 1770 (Hex)
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: ......