Beijer-electronics AN-BEI-E2-038 Uživatelský manuál stáhnout pdf (Strana 4)

APPLICATIONNOTEAN‐BEI‐E2‐038 Date:15/02/12

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AN‐BEI‐E2‐038ModbusRTUControlandRegisterMapping

4

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ControlandStatusRegisterDescriptions:

Readandwriteregisters

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

Highbyte Lowbyte

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Bit0: Run/Stopcommand:Setto1toenablethedrive.Setto0tostopthedrive. 

Bit1: Faststoprequest.Setto1toenabledrivetostopwith2

decelerationramp.

Bit2: Resetrequest.Setto1inordertoresetthedriveifdriveisundertripcondition.

Usermustclearthisbitwhendriveisundernormalconditiontopreventun‐expectedreset.

Bit3: Coaststoprequest.Setto1toissueacoaststop

command.

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For normal operation, Bit 3 has the highest priority, bit 0 has the lowest priority (bit 3>bit 1>bit 0). For example if user set

commandas0x0009,drivewilldoacoaststopratherthanrun.Fornormalrun/start,justsetthisregisterto1.

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Note that stat/stop(bit 0), fast

stop(bit 1) and coast stop(bit 3) only works if P‐31= 0 or 1. Otherwise, start/stop function is

controlledbydrivecontrolterminals.Resetfunction(bit2)worksallthetimeaslongasdriveisoperatedunderModbuscontrol

mode(P‐12=3or4).

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This register holds the speed reference value with one decimal place (200 = 20.0Hz). The maximum speed reference value is

limitedbyP‐01.

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This register specifies the drive acceleration and deceleration ramp time. The same value is applied simultaneously to the

accelerationanddecelerationramptimes.ThisregisterisonlyactivewhenP‐12=4.

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Readonlyregisters

Highbytegivesdriveerrorcode.(Validwhendrivetripped,seeappendixfordetails)

Lowbytegivesdrivestatus (0:drivestopped,1:driverunning,2:drivetipped)

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Thisregistergivesmotorspeedinformation.ThedataisinHzandwithonedecimalplace(i.e.234=23.4Hz)

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Thisregistergivesmotorcurrentinformation.ThedataisinAmpwithonedecimalplace(i.e.87=8.7A)

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Thevalueinthisregisterrepresentsthedriveterminaldigitalinputstatus(Digitalinput1to4).Lowestbitindicatesdigitalinput

1status.

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1 2 3 4 5 6 7 8 9 10 11

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