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SNZ4052K-A 데이터시트 PDF




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SNZ4052K-A 데이터시트, 핀배열, 회로
Safety Switching Devices
Evaluation device for two-hand actuators
PI 0122-0603 E
SNZ 4052K, SNZ 4052K-A
EN 60204-1 Stop category
EN 954-1 Safety category
0
4
www.DataSheet4U.com
Basic unit according to DIN EN 574 Typ IIIC, IEC 204 - 1 and EN 954 - 1
Two-channel control , 1 NO and 1 NC contact for each channel
Monitoring of the synchronous activation
For safety categorie 4 and Stop category 0
2 NO safety contacts, 1 NC control contact
Rated voltage in the E-Stop circuit: 24 V DC
Device Style
SNZ 4052K with screw terminals
SNZ 4052K-A with plug-in terminals
Devices available for AC/DC 24 V, AC 115 - 120 V or AC 230 V rated power supply.
Device and Function Description
The device complies with the EN 574 Type IIIC requirements. The safety
Proper Use
behavior of the device is designed according to the performance level for
Machines whose operation requires repeated motion of the hands into the
safety category 4 (EN 954 - 1). The device is single-fault safe and has self- hazardous zone may be operated with this relay.
monitoring. Synchronous activation of both actuators (two-hand momentary-
contact or protective gate switches) is monitored. Each of the two two-hand
momentary-contact switches is connected to the device with a normally open
contact and a normally closed contact. The technical design of the input circuit
provides cross and ground-fault monitoring. The output function is designed to
be positively driven with two normally open contacts as enabling contacts, and
with one normally closed contact as control contact.
After the supply voltage is applied to terminals A1/A2 and with closed feed-
back circuit (terminals Y1/Y2), the enable current paths are opened by activat-
ing simultaneously the actuators (S1 and S2). Both momentary contact
switches must be activated synchronously within 0,5 s for the output contacts
Notes
The safety category according to EN 954 - 1 also depends from the
external circuit, the choice of the control station and is location on the
machine.
Insulation on external wiring should not be cut back more than 8 mm.
To multiply the enabling current paths, the expansion units or external
contactive elements with positively driven contacts can be used.
External fuse protection for the relay and the contacts should not exceed
6 A type gG.
to be enabled. If only one of the two hand switches is released, the device is
immediately de-excited. The enabling current paths open. The relay can be
Please observe instructions from safety authorities.
restarted only after both actuator elements have returned to their initial position
(e.g. the two-hand momentary contact switches have been released) and the
feedback circuit is closed again. The feedback circuit should only be opened
again after both actuators are activated. Otherwise the device stays in its off-
position. The current status of the device is indicated by three LEDs: applica-
tion of the supply voltage with LED SUPPLY, activation of both actuators with
LED K1 and with LED K 2 in addition in case of synchronous activation.
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SNZ4052K-A pdf, 반도체, 판매, 대치품
Safety Switching Devices
Evaluation device for two-hand actuators
PI 0122-0603 E
SNZ 4052K, SNZ 4052K-A
Ambient temperature working range / storage range
Weight
Terminals and connection
Single-core or finely stranded
Stripping length
Finely stranded with wire-end ferrule to DIN 46228
Max. tightening torque
For UL and CSA approvals
Conductor sizes
Max. tightening torque
0,2 kg
-25 ... +55 / -25 ... +75 °C
0,25 kg
0,25 kg
1 x 0.14 mm² to 2.5 mm² 2 x 0.14 mm² to 0.75 mm²
max. 8 mm
1 x 0.25 mm² to 2.5 mm² 2 x 0.25 mm² to 0.5 mm²
0.5 to 0.6 Nm
AWG 18-16 use only Cu lines
0.79 in-lbs
www.DataSheeAt4bUm.coemssungen / Dimension Diagram / Dimensions
SNZ 4052 K
SNZ 4052 K-
A
Assembly
Disassembly
1
Attach relay to DIN rail.
2
Press the relay carefully onto the DIN rail
(in direction of arrow) until it locks into
place.
3
Push relay down (in direction of arrow)
4
Release relay and remove it from the
DIN rail (see arrow)
Subject to changes
SCHLEICHER Electronic
GmbH & Co. KG
Pichelswerderstraße 3-5
D-13597 Berlin
Germany
Phone +49.30.33005.0
Fax +49.30.33005.344
Hotline +49.30.33005.304
Internet: http://www.schleicher-de.com
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