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S225522

S225522首页预览图
型号: S225522
PDF文件:
  • S225522 PDF文件
  • S225522 PDF在线浏览
功能描述: Control for Suction Plants STW84V with integrated control for dedusting of filters and volume flow
PDF文件大小: 302.26 Kbytes
PDF页数: 共2页
制造商: ZIEHL[ZIEHL industrie-elektronik GmbH + Co KG]
制造商LOGO: ZIEHL[ZIEHL industrie-elektronik GmbH + Co KG] LOGO
制造商网址: https://www.ziehl.com
捡单宝S225522
PDF页面索引
120%
135
ZIEHL industrie-elektronik, 74523 Schwäbisch Hall, Germany, +49 791 504-0, info@ziehl.de, www.ziehl.de
Controls for Suction Plants Type STW
Description:
Monitoring of 8 machines (STWA1
or contact)
input for "open all slide valves"
8 relays (with change-over con-
tacts) for slide valves
1 relay for control ventilator
1 relay for lter-cleaning
1 relay for control of cellular wheel/
discharge or report exceeding
max.. volume ow
analog output for control of
frequency-converter and combi-
nation of more STW
terminals plugable
Universal supply voltage AC/DC
24-240 V
Functions/adjustments:
run-after last slide valve 0...
99 s
turn-o delay ventilator 0...99 s
minimum volume flow 1...
100%, (if necessary automatic
opening of additional slide val-
ves, beginning with K8)
maximum volume flow 5...
100%
Individually adjustable per chan-
nel:
turn-on delay I1... I8: 0... 20 s
turn-o delay relay K1...K8:
0... 99 s
Control for Suction Plants STW84V
with integrated control for dedusting of filters and volume flow
Function and Characteristics
The current relay STW84V mo-
nitors up to 8 alternating current
sets on current ow yes/no. The
inputs can analyse signals of cur-
rent transformers type STWA1 or
of potential-free contacts.
For controlling of great dedusting
plants several relays can be
combined.
Applications: Controlling of de-
dusting plants in the timber and
plastic processing industry ac-
cording to the technical rules for dangerous materials
TRGS 553.
The central suction is switched on, as soon as any ma-
chine is put into operation. According slide valves in the
suction ducts of the individual machines are opened.
In addition, cleaning of a lter (vibration) and a cellular
wheel/discharge can be controlled, an external clean-
ing (with compressed air) can be startet or exceeding
of max. volume ow can be reported.
The analog output 0...10 V can control a frequency-
converter at the motor of the ventilator and thus optimize
performance and save energy.
operating value I1...I8: app. 0.5... 5A
volume ow of slide valves 1...100%
Combination of more STW:
Master-relay considers volume-ow of other relays for:
control of ventilator (relay K9 and analog output
0-10 V)
opening of additional slide valves
adding time for lter-cleaning
report of exceeding max. volume ow
Control of cleaning of lters:
The run time of the ventilator is added with considera-
tion of the volume ow. The dedusting of the lters is
started after achieving the programmed run time (only
with switched o ventilation).
time for addition: 0... 99 min.
added time stored permanently even at loss of power
(power failure or upon completion of work)
delay before start of cleaning: 0... 990 s
number of dedusting impulses: 0... 20
impulse on-time: 1... 30 s
impulse o-time: 1... 990 s
time of continous dedusting: 0... 990 s
alternatively impulse shaking 0.1... 9.9 s (square)
alternatively dedusting request (with running suction)
input for external dedusting command
controlling a cellular wheel / discharge during de-
dusting
Displays and operation:
7-segment-display for settings during programming,
in operation display of the volume ow
8 LEDs for input/output selection and display of the
active inputs/outputs
9 LEDS for function selection
easy programming
1 power supply
2 8 outputs for slide-valves
(16, 26...86=close, 18, 28...88=open
3 suction ON
4 max. volume-ow exceeded/option
5 inputs for current transformers STWA 1
Us
STW84V STW84V
0 -
10 V
0,5 -
10 V
0 -
10 V
0,5 -
10 V
1
105
2 2 34
976
8
Select 1
Select 2
I1 / K1
I2 / K2
I3 / K3
I4 / K4
11250-1204-00
ON /
Prog.
STW84V
A1
A2
18 26 28 36 38 46 56 58 66 68 76 78 86 8815 964816
95 98
Stromrelais
106 105 108
K9 K10
K1 K8K2
K3 K4 K5 K6 K7
I1 I4
I1&
I8
I5I2 I7 I8I3 I6
3218
STWA1
Absaugung K9
letzter Schieber
Einzelschieber
Ansprechschwelle
Vol. einzeln
Vol. min. (%)
max. (K10)
Option
ON - Delay
(s)
(s)
(s)
(s)
(A)
(%)
118 115 116
K11
+U
+U +U
0 -
10 V
Y2
Reinigung
(K11)
Option
+U
0,5 -
10 V
.com
6 open all slide valves
7 external dedusting command
8 dedusting/option
9 analog input
10 control of suction power
2017-03-13
STW84V
Part number: S225522
4
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