Safety relay - stop control SNV 4063KL
  • Safety relay - stop control SNV 4063KL

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Safety relay - stop control SNV 4063KL

Base device for single-channel or two-channel emergency stop and
safety gate applications
• Stop category 0 / 1 according to EN 60204-1
• Applications up to safety category 4 according to EN 954-1
• Safety category of the device: 4 (undelayed contacts) /
3 (delayed contacts) according to EN 954-1
• OFF-delay time adjustable in the range 0.15 to 3 s or 1.5 to 30 s
• Control through contacts or semiconductors
• Reset button monitoring, cross monitoring, synchrocheck
• 3 enabling current paths (2 undelayed, 1 OFF-delayed

Applications
 
• Protection of people and machinery
• Monitoring of emergency stop applications
• Monitoring of safety gates
• Termination of braking operations through OFF-delay time

Function
Device and function description
With the supply voltage applied to terminals A1/ A2 and the emergency stop circuitclosed, the control logic is activated with the reset button. This controls controls the K1 to K4 relays that become self-locking (when starting through reset buttonmonitoring after the response time). After this switch-on phase the 3 enablingcurrent paths are closed (terminals 13 / 14, 23 / 24 and 37 / 38).Three LEDs display the state of the relays K1/ K2, K3 / K4 and the supply voltage.If the emergency stop button is activated, the current supplies for the relays K1 to K4
are interrupted. The undelayed enabling current paths (terminals 13 / 14, 23 / 24) areopened with release time tR1 while the off-delayed enabling current path (terminals37 / 38) is opened after the pre-set OFF-delay time tR2 The OFF-delay time can beadjusted infinitely in the range 0.15 to 3 s or 1.5 to 30 s. With a two-channel control
and cross-monitoring wiring of the sensor circuit, additional errors such as shunt faultor ground fault can be detected. An electronic fuse protects the device against damage. After the cause of the malfunction has been removed, the device isoperational again after approx. 3 s.
Reset button monitoring
The device can be started either with the falling edge or with the rising edge (terminalsS34 or S35). For emergency stop applications with manual start the button must be connected to terminals S33 / S34. The device is enabled only with the falling edge of the reset signal. For starting the reset button must be pressed and released. For safety gate applications in which an automatic start shall be performed it is necessary to jumper
terminals S33 /S35. The device will react at the rising edge of input S12 that isinternally connected to S33.
Synchrocheck
The use of safety limit switches for single-channel or two-channel circuits in safety gate applications depends on the required safety level. The device offersa two-channel control along with an optional synchrocheck of the limit switches.A synchronous time t=0.5 s requires limit switches positioned in a way thatchannel 1, terminals S11/ S12, closes before channel 2, terminals S21/ S22.If channel 2 closes before channel 1, the synchronous time is 
tS=∞
.
Proper use
The devices are safety switching devices. They must only be used as components of
safety equipment on machines for the purpose of protecting people, material and
machines.
• The safety category according to EN 954-1 depends on the external circuitry, the
choice of control devices and their placement on the machine.
• The reset button used for manual start (S34) must not be actuated for more than 3 s.
The indicated times must be observed when the device is operated, otherwise the
device could lock. Locking can be released by properly opening the safety inputs.
• SNE expansion devices or external contactors with positively driven contacts can be
used to multiply the enabling current paths.
• The device and the contacts must be protected with max. 6 A utilization category gG
or through circuit breakers with trigger characteristic B or C.
• The devices are equipped with overload protection (for short circuit). After the cause
of the malfunction has been removed, the device is operational again after approx. 3 s.
• Control output S11/S33 is exclusively for connecting control devices as defined in the
operating instructions and not for connecting external field devices such as
lamps, relays or contactors.
• The emergency stop circuit must be closed before the reset button is activated.
• For connecting sensors with reed contacts or semiconductor outputs the peak
current must be considered (see “Technical data” – Control circuit).
• The devices must be installed in a control cabinet with a protection degree of at
least IP 54.

 

Connection scheme
 
Function diagram
A1 / A2, supply voltage, SUPPLY LED
S12 emergency stop channel 1
S31 / S22 emergency stop channel 2
S34 reset rising edge
13/14,23/24,LED K1/K2
37/38, LED K3/K4
tM = minimum ON time
tA = response time
tR1 = release time
tR2 = OFF-delay time (selectable)
TW = recovery time
A1/A2 supply voltage, SUPPLY LED
S12 channel 1
S31/S22 emergency stop channel 2
S34 reset rising edge
13/14,23/24,LED K1/K2
37/38, LED K3/K4
tM = minimum ON time
tA = response time
tR1 = release time
tR2 = OFF-delay time (selectable)
TW = recovery time
Dimensions[mm]

 

 

 

Description/number
type Turn off delay Nominal voltage Terminals number   pce/package.
SNV 4063K 3 s DC 24V screw terminals R1.188.0610.0     1
30 s DC 24V screw terminals R1.188.0630.0     1
SNV 4063KL-A 3 s DC 24V screw plug terminals R1.188.0620.0     1
30 s DC 24V screw plug terminals R1.188.0640.0     1

 

Technical data SNV 4063KL
Function according to EN 60204-1
Emergency stop relay for controlled stop
Function display
3 LEDs green
Function diagram
FD 221-11-1 W, FD 221-11-2 W
Power supply circuit
min
type
max
Rated voltage Un
AC/DC 20,4 V
AC/DC 24 V
AC/DC 26,4 V
Rated consumption DC
 
2,6 W
 
Residual ripple Uss
   
2,4 V
Control circuit
 
Rated output voltage S11/ S33
for supply of inputs S34, S35, S12, S31, S22
DC 22 V
   
Response time / recovery time Fuse (PTC thermistor)
 
2 s/3 s
 
Rated current / peak current S12
 
25 mA/50 mA
 
Rated current / peak current  S31, S22
 
25 mA/100 mA
 
Rated current / peak current  S34, S35
 
40 mA/50 mA
 
Response time tA1(with reset button monitoring) on S34
 
30 ms
 
Response time tA2(without reset button monitoring) on S35
 
700 ms
 
Release time  tR1 K1, K2 with emergency stop
 
25 ms
 
Release time tR2 K3, K4 (2 setting ranges, infinitely adjustable, unbuffered)
0,15 s ±16%
1,5 s ±16%
 
3 s ±16%
30 s ±16%
Minimum ON time tM S33-S34
200 ms
 
3 s
ON time tM S33-S35
200 ms
 
°°
Recovery time tW (Start)
 
500 ms
 
Synchronous time tS
100 ms
 
500 ms
Output circuit
 
Contact assignment
2 enabling current paths, undelayed, NO contact, positively driven
1 enabling current path, OFF-delayed, NO contact, positively driven
Rated operating voltage  Un
AC/DC 230 V
Max. continuous current In per contact
6 A
Max. total current of all current paths
12 A
Application category according to EN 60947-5-1
AC-15: Ue 230 V AC, Ie 4 A (3600 switching cycles/h)
DC-13: Ue 24 V DC, Ie 5 A (360 switching cycles/h)
Short-circuit protection, max. fuse insert
6 A class gG or circuit breaker with trigger characteristic B or C
General data
 
Creepage distances and clearances between the circuits
according EN 60664-1
Rated impulse voltage
4 kV
Overvoltage category
III
Degree of pollution of the device: inside / outside
2/3
Rated voltage
AC 300V
Protection degree according to DIN EN 60529 (housing / terminals)
IP 40/IP 20
Ambient temperature / storage temperature
-25 - +55 °C/-25 - +75 °C
Dimension diagram
K 4-1 (screw terminals / K 4-2 (pluggable terminals)
Rated cross sections fine-stranded/solid
2x0,14 - 0,75 mm2/1x0,14 - 2,5 mm2
or fine-stranded with ferrules
1x0,25 - 2,5 mm2/2x0,25 - 0,5 mm2
Permissible tightening torque
0,5 - 0,6 Nm
for UL and CSA applications
Wire ranges
AWG 18-16 only use Cu wires
0.79 in-lbs
 
Max. tightening torques
Weight
0,2 kg
Accessories
-

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Base device for single-channel or two-channel emergency stop and
safety gate applications
• Stop category 0 / 1 according to EN 60204-1
• Applications up to safety category 4 according to EN 954-1
• Safety category of the device: 4 (undelayed contacts) /
3 (delayed contacts) according to EN 954-1
• OFF-delay time adjustable in the range 0.15 to 3 s or 1.5 to 30 s
• Control through contacts or semiconductors
• Reset button monitoring, cross monitoring, synchrocheck
• 3 enabling current paths (2 undelayed, 1 OFF-delayed

Applications
 
• Protection of people and machinery
• Monitoring of emergency stop applications
• Monitoring of safety gates
• Termination of braking operations through OFF-delay time

Function
Device and function description
With the supply voltage applied to terminals A1/ A2 and the emergency stop circuitclosed, the control logic is activated with the reset button. This controls controls the K1 to K4 relays that become self-locking (when starting through reset buttonmonitoring after the response time). After this switch-on phase the 3 enablingcurrent paths are closed (terminals 13 / 14, 23 / 24 and 37 / 38).Three LEDs display the state of the relays K1/ K2, K3 / K4 and the supply voltage.If the emergency stop button is activated, the current supplies for the relays K1 to K4
are interrupted. The undelayed enabling current paths (terminals 13 / 14, 23 / 24) areopened with release time tR1 while the off-delayed enabling current path (terminals37 / 38) is opened after the pre-set OFF-delay time tR2 The OFF-delay time can beadjusted infinitely in the range 0.15 to 3 s or 1.5 to 30 s. With a two-channel control
and cross-monitoring wiring of the sensor circuit, additional errors such as shunt faultor ground fault can be detected. An electronic fuse protects the device against damage. After the cause of the malfunction has been removed, the device isoperational again after approx. 3 s.
Reset button monitoring
The device can be started either with the falling edge or with the rising edge (terminalsS34 or S35). For emergency stop applications with manual start the button must be connected to terminals S33 / S34. The device is enabled only with the falling edge of the reset signal. For starting the reset button must be pressed and released. For safety gate applications in which an automatic start shall be performed it is necessary to jumper
terminals S33 /S35. The device will react at the rising edge of input S12 that isinternally connected to S33.
Synchrocheck
The use of safety limit switches for single-channel or two-channel circuits in safety gate applications depends on the required safety level. The device offersa two-channel control along with an optional synchrocheck of the limit switches.A synchronous time t=0.5 s requires limit switches positioned in a way thatchannel 1, terminals S11/ S12, closes before channel 2, terminals S21/ S22.If channel 2 closes before channel 1, the synchronous time is 
tS=∞
.
Proper use
The devices are safety switching devices. They must only be used as components of
safety equipment on machines for the purpose of protecting people, material and
machines.
• The safety category according to EN 954-1 depends on the external circuitry, the
choice of control devices and their placement on the machine.
• The reset button used for manual start (S34) must not be actuated for more than 3 s.
The indicated times must be observed when the device is operated, otherwise the
device could lock. Locking can be released by properly opening the safety inputs.
• SNE expansion devices or external contactors with positively driven contacts can be
used to multiply the enabling current paths.
• The device and the contacts must be protected with max. 6 A utilization category gG
or through circuit breakers with trigger characteristic B or C.
• The devices are equipped with overload protection (for short circuit). After the cause
of the malfunction has been removed, the device is operational again after approx. 3 s.
• Control output S11/S33 is exclusively for connecting control devices as defined in the
operating instructions and not for connecting external field devices such as
lamps, relays or contactors.
• The emergency stop circuit must be closed before the reset button is activated.
• For connecting sensors with reed contacts or semiconductor outputs the peak
current must be considered (see “Technical data” – Control circuit).
• The devices must be installed in a control cabinet with a protection degree of at
least IP 54.

 

Connection scheme
 
Function diagram
A1 / A2, supply voltage, SUPPLY LED
S12 emergency stop channel 1
S31 / S22 emergency stop channel 2
S34 reset rising edge
13/14,23/24,LED K1/K2
37/38, LED K3/K4
tM = minimum ON time
tA = response time
tR1 = release time
tR2 = OFF-delay time (selectable)
TW = recovery time
A1/A2 supply voltage, SUPPLY LED
S12 channel 1
S31/S22 emergency stop channel 2
S34 reset rising edge
13/14,23/24,LED K1/K2
37/38, LED K3/K4
tM = minimum ON time
tA = response time
tR1 = release time
tR2 = OFF-delay time (selectable)
TW = recovery time
Dimensions[mm]

 

 

 

Description/number
type Turn off delay Nominal voltage Terminals number   pce/package.
SNV 4063K 3 s DC 24V screw terminals R1.188.0610.0     1
30 s DC 24V screw terminals R1.188.0630.0     1
SNV 4063KL-A 3 s DC 24V screw plug terminals R1.188.0620.0     1
30 s DC 24V screw plug terminals R1.188.0640.0     1

 

Technical data SNV 4063KL
Function according to EN 60204-1
Emergency stop relay for controlled stop
Function display
3 LEDs green
Function diagram
FD 221-11-1 W, FD 221-11-2 W
Power supply circuit
min
type
max
Rated voltage Un
AC/DC 20,4 V
AC/DC 24 V
AC/DC 26,4 V
Rated consumption DC
 
2,6 W
 
Residual ripple Uss
   
2,4 V
Control circuit
 
Rated output voltage S11/ S33
for supply of inputs S34, S35, S12, S31, S22
DC 22 V
   
Response time / recovery time Fuse (PTC thermistor)
 
2 s/3 s
 
Rated current / peak current S12
 
25 mA/50 mA
 
Rated current / peak current  S31, S22
 
25 mA/100 mA
 
Rated current / peak current  S34, S35
 
40 mA/50 mA
 
Response time tA1(with reset button monitoring) on S34
 
30 ms
 
Response time tA2(without reset button monitoring) on S35
 
700 ms
 
Release time  tR1 K1, K2 with emergency stop
 
25 ms
 
Release time tR2 K3, K4 (2 setting ranges, infinitely adjustable, unbuffered)
0,15 s ±16%
1,5 s ±16%
 
3 s ±16%
30 s ±16%
Minimum ON time tM S33-S34
200 ms
 
3 s
ON time tM S33-S35
200 ms
 
°°
Recovery time tW (Start)
 
500 ms
 
Synchronous time tS
100 ms
 
500 ms
Output circuit
 
Contact assignment
2 enabling current paths, undelayed, NO contact, positively driven
1 enabling current path, OFF-delayed, NO contact, positively driven
Rated operating voltage  Un
AC/DC 230 V
Max. continuous current In per contact
6 A
Max. total current of all current paths
12 A
Application category according to EN 60947-5-1
AC-15: Ue 230 V AC, Ie 4 A (3600 switching cycles/h)
DC-13: Ue 24 V DC, Ie 5 A (360 switching cycles/h)
Short-circuit protection, max. fuse insert
6 A class gG or circuit breaker with trigger characteristic B or C
General data
 
Creepage distances and clearances between the circuits
according EN 60664-1
Rated impulse voltage
4 kV
Overvoltage category
III
Degree of pollution of the device: inside / outside
2/3
Rated voltage
AC 300V
Protection degree according to DIN EN 60529 (housing / terminals)
IP 40/IP 20
Ambient temperature / storage temperature
-25 - +55 °C/-25 - +75 °C
Dimension diagram
K 4-1 (screw terminals / K 4-2 (pluggable terminals)
Rated cross sections fine-stranded/solid
2x0,14 - 0,75 mm2/1x0,14 - 2,5 mm2
or fine-stranded with ferrules
1x0,25 - 2,5 mm2/2x0,25 - 0,5 mm2
Permissible tightening torque
0,5 - 0,6 Nm
for UL and CSA applications
Wire ranges
AWG 18-16 only use Cu wires
0.79 in-lbs
 
Max. tightening torques
Weight
0,2 kg
Accessories
-