7.2.3 Selection mode (between cycle mode and safety mode with restart interlock, switchable operation)
Connection diagram for operating mode "AB"
FIESSLER
E L E K T R O N I K
26
Function
(1-cycle and 2-cycle mode "A", refer to Section 7.2)
(Safety mode with restart interlock "B", refer to Section 7.3)
Using the BU operating mode selector, one of the three
operating modes, 1-cycle, 2-cycle or safety mode with restart
interlock, can be selected.
When switching between the operating modes, the restart
interlock must be activated in accordance with EN 61494. This
can be implemented by switching off the transmitter during the
switchover.
In the 1-cycle and 2-cycle operating modes, it
must be ensured that it is not possible to walk
behind the light barrier! (Refer to Section 4.4)
6
FIESSLER
E L E K T R O N I K
Schaltgerät BWS Typ 4
Switching unit ESPE Type 4
Boîtier de commande ESPS Type 4
Nr./Baujahr
Ansprechzeit
Temp.
Schutzart
Versorgung
Kontaktbel.
Kastellstr.9 73734 Esslingen
Tel. 0711/ 91 96 97-0
Achtung
Vor Abziehen der Klemmleiste Netzspannung abschalten!
Attention
Turn off the supply voltage !
Attention
Couper l'alimentation !
A
1
2
3
7
4
5
8
10
9
17
B
C
12
13 14 15
16
LSUW NSR 3-1 K
No./year of construction
response time
t
emp.
enclosure rating
supply voltage
contact max
No./année de fabrication
temps de réponse
temp.
degré de protection
tension d'alimentation
charge contact maxi.
.................................
30 mS
-10… + 55 °C
IP 20
24VDC/115VAC/230VAC
-15% +10 %, 50Hz
2 A, 250 VAC
18
Netz
tension
power
LS Frei
BS libre
LC free
output interupted
sortie interrompue
Ausgang unterbrochen
output free
sortie libre
Ausgang frei
interdiction de redémarrage
restart interlock
Wiederanlaufsperre
19 20 21
22
LS unterbrochen
BS interrompue
LC interrupted
D
Made in Germany
11
TÜV Rheinland
AA
AA
AA
TÜV Rheinland
N
L1 230 VAC
L1 115 VAC
0 V DC
+24VDC
k1
k2
X
X
X
X
K1
K2
M 2,0 A
M 2,0 A
BU4
BU2
BU3
BU1
BU5
M 2,0 A
k1
k2
M 2,0 A
M 2,0 A
1
2
3
1
2
3
4
5
6
7
12
12
13
15
14
4
3
6
-
7
+
2
3
+
2
1
5
1
-
OSSD2
OSSD1
EDM
Start
X
7 Additional functions with safety switchgears
- Selection mode "AB"
LSUW NSR 3-1 K switchgear
BU1
BU2
BU3
BU4
BU5
1-cycle mode
2-cycle mode
Safety mode
with restart
interlock
Cable routing:
- Separately from power lines.
- The cable routing for the contactor
check (terminals 6 & 7) must prevent
short-circuiting of wires.
- On terminals 4, 5, 8, 9, the max. cable
length is limited to <= 1m.
The hazardous movement must
only be activated via output
contacts 16-17 and 20-21.
The output contacts are
potential-free, monitored, guided
make contacts are must be
loaded with max. 2 A/250 VAC
or 60 VDC, 30 W. With inductive
load, the load (not the contacts)
is to be switched at the same
time as the spark arresting
sections (e.g. 0.22 uF, 220
Ω
.
Optional power supply:
The contact 18 - 19 serves as an
alarm path and is not permitted
to activate the hazardous closing
movement.
To increase the switching
reliability, collateral contacts
should be used on terminals 5,
6, 7, 8, 9, 10, 11, D and 22. No
external potential must be
connected to these terminals.
When performing electric
welding work on the machine,
the terminal strip of the
switchgear is to be removed,
otherwise the vagrant welding
currents may cause destruction
of the installed electronics.
Start button
0V
Contactor
monitoring
24V DC
L1
N
L1
BA - ULVT
Optional power supply:
Terminal 1 & 2: 230 VAC -15% + 10%
or
Terminal 1 & 3: 115 VAC -15% + 10%
or
Terminal A & 12: 24 VDC -10% + 20%
Voltage depending
on type of contactor
L1 = 230 V AC
or 24 V DC
X = For interruption
of hazardous
movement
Spark arresting
sections
N
or
0V
Fuses to be sized
so that contact
touching is
prevented reliably!
ULVTS Transmitter
ULVTE Receiver
Set operating mode:
Without contactor check
Without restart interlock
(both functions are
performed by switchgear)
antivalent outputs
X
X
For 230 V AC and 115 V AC :
terminal 3
For 24 V DC :
terminal C
