14
LG 5933 / 27.06.16 en / 718
Input
Nominal voltage U
N
:
AC 24 V, DC 24 V
Voltage range
at 10 % residual ripple:
AC / DC 0.9 ... 1,1 U
N
Nominal consumption:
AC approx. 4 VA
DC approx. 2.3 W
Nominal frequency:
50 / 60 Hz
Delay time for simultaneity
demand:
max. 0.5 s
Recovery time:
1 s
Control contacts:
2 x (1 NO, 1 NC contacts)
Current via control contacts
with DC 24 V:
NO contact:
typ. 50 mA
NC contact:
typ. 20 mA
Fuse protection:
internal with PTC
Overvoltage protection:
by MOV
Output
Contacts:
3 NO, 1 NC contacts
The NO contacts are safety contacts.
The NC contact 41-42 can only be used for monitoring.
Operate time:
typ. 30 ms
Release time:
typ. 25 ms
Contact type:
forcibly guided
Nominal output voltage:
AC 250 V
DC: see limit curve for arc-free operation
Switching of low loads:
≥
100 mV
(contacts with 5
µ
Au)
≥
1 mA
Thermal current I
th
:
see quadratic total current limit curves
Switching capacity
(max. 5 A in a contact)
to AC 15:
NO contacts:
AC 3 A / 230 V
IEC/EN 60 947-5-1
NC contacts:
AC 2 A / 230 V
IEC/EN 60 947-5-1
to DC 13
NO contacts:
2 A / DC 24 V
IEC/EN 60 947-5-1
NC contacts:
2 A / DC 24 V
IEC/EN 60 947-5-1
Electrical contact life
at 5 A, AC 230 V cos
ϕ
= 1:
> 2. 2 x 10
5
switch.cycles
Permissible switching
capacity:
max. 1 800 switching cycles / h
Short circuit strength
max. fuse rating:
10 A gL
IEC/EN 60 947-5-1
Line circuit breaker:
B 6 A
Mechanical life:
10 x 10
6
switching cycles
General Data
Nominal operating mode:
continuous operation
Temperature range
ioperation:
- 25 ... + 55°C
storage :
- 25 ... + 85
°
C
altitude:
< 2.000 m
Clearance and creepage
distances
rated impuls voltage /
pollution degree:
4 kV / 2 (basis insulation) IEC 60 664-1
EMC:
IEC/EN 62 061
Interference suppression:
Limit value class B
EN 55 011
Degree of protection
Housing:
IP 40
IEC/EN 60 529
Terminals:
IP 20
IEC/EN 60 529
Housing:
Thermoplast with V0 behaviour
according to UL subject 94
Vibration resistance:
Amplitude 0.35 mm,
frequency 10 ... 55 Hz IEC/EN 60 068-2-6
Climate resistance:
25 / 055 / 04
IEC/EN 60 068-1
Connection Terminals
Terminal designation
Signal designation
A1 (+)
+ / L
A2 (-)
- / N
S11, S21, Y1, Y2
Inputs
S12(+), S22(-)
Outputs
13, 14, 23, 24, 33, 34
Forcibly guided NO contacts for
release circuit
41, 42
Forcibly guided indicator output
Notes
If both buttons are pressed while switching on the operating voltage (e.g.
after voltage failure) the output contacts do not energize.
The terminal S22 also serves as reference point for checking the control
voltage.
On LG 5933 there is only one terminal S12 and S22.
Set-Up Instructions
The device has to be connected as shown in the application examples.
When connecting the push-buttons in parallel or in series the safe function
of the relay is disabled. Connected contactors (relays) must have forcibly
guided contacts and have to be monitored in the feedback circuit.
To start a dangerous movement, 2 push buttons are used, each equipped
with 1 NO and 1 NC contact. The output contacts will be switched if both
push buttons are operated within
≤
0.5 s. The buttons must be designed
and installed in a way, that it is not possible to manipulate or to operate
them without intention.
The distance between push buttons and dangerous area must be chosen
in a way that it is not possible to reach the dangerous area after release
of one button before the dangerous movement comes to standstill.
The safety distance "s" is calculated with the following formula:
s = v x t + C
a)
moving speed of person v = 1 600 mm/s
b)
stopping time of the machine t (s)
c)
Additional safety distance C = 250 mm
If the risc of accessing the dangerous area is prohibited while the push
buttons are pressed e.g. by covering the buttons, C can be 0. The minimum
distance has to be in this case 100 mm. See also EN 574.
Technical Data
Summary of Contents for SAFEMASTER LG 5933
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