ABB ACQ810 - Starting up ACS850, ACQ810 Drives with Embedded Modbus RTU

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Quickstart Guide
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ABB PLC and drives integration using Modbus RTU
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ModbusRT
U‐18‐ PLCanddrivesintegration
StartingupACS850,ACQ810driveswithembeddedModbusRTU
Minimumrequiredparametersettings(basedonfactorydefaultsettings)
Parameter Description Setting Comment
50.15 Fbcwused P.02.36 SelectstheaddressofthefieldbusControlWordin
use.
58.01 Protocolenasel ModbusRTU Initializesembeddedfieldbuscommunication.
Drive‐to‐drivelinkoperation(parametergroup
57)isautomaticallydisabled.
58.03 Nodeaddress [Address] ModbusRTUnodeaddressofthedrive
58.04 Baudrate 19.2kbit/s
(example)
Transferrateofthelink.Samebaudratemustbe
definedintheModbusRTUmaster.
58.05 Parity 8none1
(example)
Parityandstopbits.Sameparityandstopbitsmust
bedefinedintheModbusRTUmaster.
58.06 Controlprofile ABBClassic Communicationprofile“ABBDrives”
58.10 Refreshsettings [optional] Refreshesthesettingsofparameters
58.01…58.09.
10.01 Ext1startfunc FB Fieldbusinterfaceassourceforstartandstop
12.01 EXT1/EXT2SEL P.02.36bit
15
FieldbusinterfaceassourcetoswitchtoEXT2
controllocation
21.01 Speedref1sel EFBref1 Fieldbusinterfaceassourceforspeedreference
10.10 Faultresetsel P.02.36bit8 Fieldbusinterfaceassourceforfaultreset
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Optionalparameterse
ttings
58.07 Commlosstout [optional] DefinesthetimeoutlimitfortheEFB
communicationmonitorin g.
58.08 Commlossmode Noneor
AnyMessage
Enables/disablesEFBcommunicationloss
monitoringanddefinesthemeansforresetting
thecounterofthecommunicationlossdelay.
58.09 Commlossaction [optional] DefinesthedriveoperationaftertheEFB
communicationlossmonitoringawakes.
58.10 Refreshsettings [optional] Refreshesthesettingsofparameters
58.01…58.09.
(19.01) Speedscaling [Scale max] Maxspeed/frequencyscalingvalue(usedinfunction
block/visualizationinput“SPEED_REF_MAX”).Must
belessorequaltodriveparametermax
speed/frequency.