Vacon NX OPTC3, Руководство пользователя

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7
7.4.1 Cont r ol wor d
CW REF PD1 PD2 PD3 PD4 PD5 PD6 PD7 PD8
The Contr ol com m and for t he st at e m achine (see Figur e 7- 3.) The state machine describes the
device status and the possibl e contr ol sequence of the AC dr ive.
The contr ol wor d is composed of 16 bits that have the foll owing meanings:
Bit Descr iption
Val ue = 0
Val ue = 1
0 STOP 1 (by r amp) ON 1
1 STOP 2 (by coast) ON 2
2 STOP 3 (by r amp) ON 3
3 RUN DISABLE ENABLE
4 No Action START
5 No Action START
6 No Action START
7 No Action FAULT RESET (0 - > 1)
8 No Action No Action
9 No Action No Action
10 Disabl e Pr ofibus contr ol Enabl e Pr ofibus contr ol
11 Fiel dbus DIN1=OFF Fiel dbus DIN1=ON
12 Fiel dbus DIN2=OFF Fiel dbus DIN2=ON
13 Fiel dbus DIN3=OFF Fiel dbus DIN3=ON
14 Fiel dbus DIN4=OFF Fiel dbus DIN4=ON
15 Fiel dbus DIN5=OFF Fiel dbus DIN5=ON
Table 7- 1. Contr ol wor d bit descr iptions
With the hel p of the contr ol wor d, star t and stop commands can be given to the device. Al so a fault
can be acknowl edged.
Com m and Cont r ol Wor d Descr ipt ion
RUN 047Fhex Star t m otor if ” Fiel dbus” is active contr ol sour ce
STOP 1 047Ehex Stop by Ramp
STOP 2 047Dhex Stop by Coast
STOP 3 047Bhex Stop by Ramp
RUN DISABLE 0477hex Stop by Coast
FAULT RESET (step 1)
FAULT RESET (step 2) bit 7 = 0
bit 7 = 1 Rising edge to bit 7
Table 7- 2. Commands with contr ol wor d
As shown above, ther e ar e sever al st op m odes. It depends on the oper ating situation, which mode is
sel ected.
NOTE! In Vacon NX AC dr ive STOP1 and STOP3 ar e identical . Al so STOP2 and RUN DISABLE ar e iden-
tical .
Commands STOP1 and STOP3 can be used only with either one of the motor contr ol modes (P2.6.1)
Frequency control or Speed contr ol sel ected and the fieldbus selected as the contr ol pl ace.