LEYBOLD Turbovac TW 70 H, Руководство по эксплуатации

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Connections
23
GA 05.145/3.02 - 02/2001
2.6.4 Interface description
The frequency converter has an optional serial interface
RS 485. It is operated with the standardized USS proto-
col. The frequency converter can be set to addresses 0
to 15. Addresses over 15 are not supported.
For more detailed information concerning the USS pro-
tocol please contact Leybold.
The RS 485 bus should be connected as shown in Fig.
22.
The frequency converter can be configured through the
parameters shown in the parameter list.
As to the RS 232 and Profibus interfaces please enqui-
re.
Input data / status Output data Operating mode
Start/ Pump Normal Error is Motor Relay Relay LED LED
stop rotating frequency present drive
NORMAL
ERROR STATUS ERROR
signal
≥
90% of
OPERATION
setpoint
frequency
Stop no no no off passive passive off off Pump not operating
Stop yes no no off passive passive flashes off Pump is decelerating
Stop yes yes no off passive passive flashes off Just after stop; pump was in the normal
operating mode before that
Start no no no on passive passive off off Just after start
Start yes no no on passive passive flashes off Pump is accelerating
Start yes yes no on active passive green off Pump is in the normal operating mode
Stop no no yes off passive active off red Error is present; pump is at standstill
Stop yes no yes off passive active flashes red Error is present; pump is decelerating
Stop yes yes yes off passive active flashes red Error has just occurred
Start no no yes off passive active off red Error is present; pump is at standstill
Start yes no yes off passive active flashes red Error is present; pump is decelerating
Start yes yes yes off passive active flashes red Error has just occurred
Relay status
Other modes are not possible; they indicate
a failure affecting the TURBO.DRIVE S.
7
8
9
1
2
3
4
5
6
TxD/RxD +
TxD/RxD –
0,5 A, 24 V DC
Fig. 21 Pin assignment of the interface connector „RS 485“
Links for activation of
the bus terminator