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82
Operating Instructions – MOVITRAC® B
5
PI controller (P25x)
Startup
5.7
PI controller (P25x)
For information regarding the PI controller, refer to chapter "Project Planning / PI con-
troller".
5.8
Master-slave operation (P750)
The master-slave function allows for implementing automatic functions such as speed
synchronization. The RS485 interface or the system bus interface can be used as the
communication link.
P100 Setpoint source
= Master SBus or
P100 Setpoint source
= Master RS485 must be
set at the slave. The process output data PO1 – PO3 (
P870, P871, P872
) are automat-
ically set by the firmware.
A programmable terminal function "Slave free run."
P60x digital inputs basic unit
, it is
possible to separate the slave from the master setpoint and switch to local control mode
(like control signal source bipolar/fixed setpoint).
5.9
Group drive
For information regarding group drives, refer to chapter "Project Planning / ... / multi-axis
drive, group drive".
5.10 Startup of explosion-proof AC asynchronous motors of category 2 (94/9/EC)
Explosion-proof AC motors from SEW-EURODRIVE that are taken into operation with
MOVITRAC
®
B must be approved for such operation according to the nameplate and
EC type examination certificate.
A certified safety function is used in conjunction with temperature sensors in the motor
to provide for a safe operation in potentially explosive areas. The current limitation func-
tion in MOVITRAC
®
B prevents the activation of the safety device, i.e. the motor is pro-
tected against impermissible overheating (
→
following figure).
9007200296570891
Depending
on motor
type
1.5 l
C
l
1
l
2
l
ü
lü
l
N(Motor)
A
B
C
D
E
Permitted continuous
current range
f
A
f
B
f
C
f
D
f
E
f/Hz
f
Eck
Current limitation l
Grenz
00
I
Содержание Movitrac B
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