Grundfos Vaccuperm VGS-141 Montage- Und Betriebsanleitung Seite 13

3.2.2 Servomotor with analogue control
SL
1, 2 3 4
L SET
R
1, SR 8
Fig. 14 Servomotor with analogue control
Item Description
SR, limit switch cam min.
1
SL, limit switch cam max.
2 Programming buttons
3 Alarm output
4 LEDs
5 DIP switch
6 Mains connection terminals
7 Analogue signal connection terminals
8 Earth terminal
220-240 V ± 10 %, 50/60 Hz ± 5 %, 100 %
on time (standard)
Mains voltage
110-120 V ± 10 %, 50/60 Hz ± 5 %
24 V AC ± 10 %, 50/60 Hz ± 5 %
30 mA (at 230 V),
Rated current 60 mA (at 115 V),
240 mA (at 24 V)
Limit switch -
2 A at 250 V
load capacity
Power consumption Approx. 2 VA
Analogue control
Control variant
Input/Output
4-20 mA (standard setting)
Signal input/output
0-20 mA (switchable)
4(0) - 20 mA (DC)
Load 250 Ω
Overload protection 25 mA
Setpoint input
Protection against reverse polarity to -
25 mA
ESD protection, input filter
Resolution: 10 bits
4(0) - 20 mA
Actual value output Max. load 500 Ω
Resolution: 10 bits
Output current: 4-20 mA
Carrying capacity
Minimum voltage for
of signal output
open circuit 10 V
Potentiometer 1000 Ω
90 s for 270 ° at 50 Hz
Actuating time
75 s for 270 ° at 60 Hz
5
6
7
220-240 V ± 10 %, 50/60 Hz ± 5 %, 100 %
on time (standard)
Mains voltage
110-120 V ± 10 %, 50/60 Hz ± 5 %
24 V AC ± 10 %, 50/60 Hz ± 5 %
Adjustment angle Max. 270 °
Degree of
IP65
protection
Permitted ambient
0 °C to 60 °C
temperature
Weight 2.6 kg
3.2.3 Manual/automatic remote indication of the position of
the rate valve adjusting spindle
Loading capacity of the Reed contact
Switched power
Switched current
Switched voltage
Carry current
Contact resistance
Breakdown voltage
Degree of protection
The switch is closed in automatic position!
Note
3.2.4 Vacuum meter with limit contacts
Measuring
-10 to 0 m WS rel.
range
slow-motion contacts S 21 according to DIN 16085
(E)
Limit contact 1st limit contact: break contact (opens when the
outputs specified value is passed clockwise)
2nd limit contact: make contact (closes when the
specified value is passed clockwise)
ohmic
voltage
load
Permissible
230 V AC 45 mA
contact load
110 V AC 90 mA
24 V DC 200 mA -
3.2.5 Vacuum sensors
Measuring range -1 to 0 bar rel.
4-20 mA
Current output 4 mA equals to -1 bar
20 mA equals to 0 bar
Power supply 24 V DC
Neccessary cable for 2-wire, shielded, order no. 96687719
current signal (321-130)
max. 10 W
max. 0.5 A
max. 200 V (DC)
1.0 A
150 mΩ
min. 250 V (DC)
IP65
inductive load in case of
alternating current (cos > 0.7)
25 mA
45 mA
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