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Siemens SIMATIC S7-1200 マニュアル
3 Mode of Operation
3.3

PLC data types

3.3.1

"typeCyclic"

The PLC data type "typeCyclic" includes the order of the data to be exchanged.
Table 3-3
Name
Data type
last
Int
data
Array[0..9] of

"typeData"

3.3.2
"typeData"
The PLC data type "typeData" includes the parameters for reading and writing to
the registers.
Table 3-4
Name
Data type
mbAddr
UInt
mode
USInt
addr
UDInt
len
UInt
3.3.3

"typeFan"

The PLC data type "typeFan" contains the data of the respective fan.
Table 3-5
Name
mbAddr
UInt
errorStatus
Word
holding0
Array[53248..53258]
of
"typeRegister"
holding1
Array[53504..53674]
of
"typeRegister"
input
Array[53248..53286]
of
"typeRegister"
productionData
"typeProductionData"
Controlling several fans (ebm-papst) via Modbus RTU
Entry ID: 109476801,
V2.0,
Last field element to be edited
Order of the data to exchange
Modbus address of the slaves to be addressed (1...247)
Mode selection: Defines the type of request [read (0 for holding registers; 104
for input registers) or write(1)]
Start address in the slave: Defines the start address of the data to access:
453249 to 453259 (16#D000 to 16#D00A) and
453505 to 453675 (16#D100 to 16#D1AA) for
reading (mode = 0) and writing holding registers (mode = 1)
53248 to 53286 (16#D000 to 16#D026) for
reading input registers (mode = 104)
Data length: Defines the number of words which this request shall access (a
maximum of 9 words is possible due to the slave)
Data type
Modbus address of the slaves to be addressed (1...247)
Status evaluation (error code)
Holding register:
D000 (reset) to D00A (operating minutes counter)
Holding register:
D100 (fan address) to D1AA (fan type)
Input register:
D000 (identification) to D026 (reserved)
Fan production data
09/2018
Description
Description
Description
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