General Description - RS Pro V10729 Manual De Instrucciones

V10729
750W Panel mounted
750W Boxed
Figures 1, 2, & 3
TB1:
L,N; Supply connection.
E; Earth connection.
A,A; Motor armature connection.
F,F; Motor field connection.
H,S,L; Potentiometer connection.
1,2,3,4; 120/240 Input voltage select terminals.
Q; Motor earth connection.
P; Supply earth connection.
TB2:
V-V; Output voltage select.
C-C; No connection.
B-B; No connection.
TB3:
F,N,R; Motor direction and brake select connections.
TB4:
5,6,7,8; Motor current select terminals.
SW: Direction control switch
F1: Fuse.
: Mains supply.
ARM. Motor armature.
FD: Motor field.
P1: Speed control potentiometer.
(4K7, 200mw, linear, supplied with controller)

General description

These controllers have been designed for use with shunt wound and
permanent magnet dc motors.
Supply voltage Armature supply
110/120Vac, 50/60Hz
220/240Vac, 50/60Hz 0-100 or 0-200 Vdc
Form factor: 1.2
Fusing: 250V, 8A HRC, 5 x 20mm.
The controller is a solid state reversing variable speed drive with
dynamic braking, for permanent magnet and shunt wound motors
up to 750W.
The speed of the dc motor is controlled by the potentiometer using
a linear closed loop control. A feedback signal from the armature
voltage enables the motor speed to be kept constant. The field
voltage is constant and the armature voltage varies with speed.
The boxed controller is housed in sheet metal enclosure with a red
paint finish to IP20
The minimum and maximum speeds are pre-settable by means of
trimmer potentiometers mounted on the controller printed circuit
board.
Both versions incorporate a 20mm HRC (F1) quick-blow fuse
mounted on the circuit board for protection of the controller.
2
RS Stock No.
Field supply
0-100 Vdc. 100Vdc @ 0.5Amax
@ 3.6A max.
220Vdc @ 0.5Amax
@ 3.6A max.
I R losses (FF)
2
In considering speed control of dc motors, the form factor of the
armature current is of major importance since the heating of the
425-5248
armature is proportional to the square of the form factor.
425-5254
Due to very low form factor designed within these controllers very little
de-rating has to be applied to a dc motor. The controller has a form
factor under load usually better than 1.2.
Important Notes
Before attempting to install or use this controller, it is vital that all these
instructions and notes are fully understood and compiled with.
1. This controller is a component part of a system and as such, is not
required to comply with the EMC directive. Responsibility for EMC
compliance rests with the manufacturer of the complete product.
Despite this, the controller has been tested with a dc motor and an
EMC filter is incorporated to aid compliance with the above
directive.
2. Wiring instructions are shown in the drawing overleaf. The supply
must be connected to the 'L' and 'N' terminals on the circuit board
and the supply earth and motor earth connected to the 'E' terminal.
The motor leads must be separated from the supply leads. The
motor armature leads are connected to 'A-A' and also in the case of
shunt wound motors the field connected to 'F-F'. Leads to the motor,
including the earth, preferably should be not more than 300mm long
and should be twisted together. No filter or contactor should be
connected between the controller and the motor. Wiring loops can
result in radio frequency emissions and/or susceptability, as can any
variation in the wiring or earthing of the system.
3. The main source of radio frequency emissions in this system is the
motor commutation. This is essentially random and highly variable.
This controller has been tested with Parvalux 180/220Vdc motors
up to their continuous full load ratings and Parvalux 50/90Vdc
motors up to their continuous full load ratings or 3.6 amps,
whichever is the least.
4. Changes in the method of earthing the system can alter the EMC
characteristics. For example, fastening the motor to a metal frame
or case can provide an alternative earth return, therefore bypassing
the in-built filter. It is virtually impossible to generalise on the solution
for all cases and if EMC problems are encountered, advice should
be sought from an expert.
Wiring and setting up
WARNING: The motor and controller must be earthed.
All connections to the controller are hazardous live with respect to
earth. An isolated interface such as RS 244-5297 should be used to
isolate the control connections. This will allow the controller to be driven
by 0-5V, 0-10V, 4-20mAor 0-20mAsignals as required and also provide
an isolated direction control.
The controllers are supplied set for 200/240, 50/60Hz (i.e. TB1, link 2-
3 connected). To operate from 100/120V 50/60Hz, remove link 2-3 on
TB1 and connect links 1-2 and 3-4 (see figure 2).
The unit has been set and tested to give an output of 65Vdc at 3.6A:
1. Select the output voltage to suit the motor by use of the voltage
selector link V-V on TB2 (Figure 1): No link gives 210V (or 100V with
a 100/120V supply), link connected gives 65V.
2. Connect the direction control switch to TB3 (Figure 1). With F-N
connected, the motor will run forwards. With R-N connected, the
motor will run in reverse. With N not connected, dynamic braking will
be applied to the motor.
3. Set the maximum output current as required (Figure 1, TB4): Link 6-
7 for 0-2.0A. Link 5-6 and 7-8 for 0-3.6A(see Figure 3).
4. Connect motor, power supply and speed-potentiometer (supplied) to
the appropriate terminals on TB1 (see Fig 1). If the controller is to
be used with a permanent-magnet motor, do not make any
connection to F-F on TB1.
5. Do not connect anything to terminals B-B or C-C on TB2
6. Set the speed potentiometer to minimum, set the direction switch to
off and apply power to the controller.
2