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Siemens SIMATIC S7-1200 매뉴얼
3 Mode of Operation

FB "EbmPapst"

3.4
This function block was especially developed for serial communication with several
fans from ebm-papst via the Modbus RTU data protocol (based on the MODBUS
parameter specification for "ebm-papst series 84 / 112 / 150 / 200" V5.00).
It is called in the cyclic organization block "Main".
Figure 3-2: FB "EbmPapst"
Table 3-12: Parameter of the FB "EbmPapst"
Name
P type
initialCall
IN
port
IN
baud
IN
parity
IN
readAll
IN
errorAck
IN
reset
IN
errorStatus
OUT
Controlling several fans (ebm-papst) via Modbus RTU
Entry ID: 109476801,
V2.0,
Data type
Bool
First cycle after restarting the CPU (parameter
"Initial_Call" from the calling OB1)
PORT
Hardware ID of the RS485 CB or CM used
UDInt
Baud rate (default: 19200 bit/s)
UInt
Parity (default: 2 = even)
Bool
Request to read all predefined registers of all fans
Bool
Acknowledgment of the pending error message
("status")
Bool
Reset, restart block
Word
Status evaluation (error code)
09/2018
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