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Contact expansions for the safety relays PNOZsigma

Overview PNOZsigma contact expansion modules

The contact expansions of the PNOZsigma product range are used to increase the number of available contacts. They are used as expansion devices to increase the number of safety contacts of a base unit. Base units are all safety relays or safety control systems with feedback loop monitoring

Type

Performance Level (PL) Safety Integrity Level (SIL) CL Output contacts (safe) Semiconductor outputs (safe) Width in mm
PNOZ s7 e 3 4 - 17.5
PNOZ s7.1 e 3 3 - 17.5
PNOZ s7.2 e 3 4 - 17.5
PNOZ s8 c 2 2 - 12.5
PNOZ s10 e 3 4 - 45
PNOZ s11 e 3 8 - 45
PNOZ s20 e/d 3/2 - 2 22.5
PNOZ s22 e 3 2x3 2x1 22.5

 

Safety relay PNOZsigma

Contact expansions for special applications

Multiple expansion – Contact expansion modules PNOZ s7.1 and PNOZ s7.2 

With a base unit and a PNOZ s7.1, the number of safety contacts can be expanded almost without limit. Up to ten PNOZ s7.2 can be connected to a PNOZ s7.1. If you need more contacts, an additional PNOZ s7.1 can be added to the series. No wiring is involved – just a connector and one simple hand movement. At just 17.5 mm wide, the PNOZ s7.1 has three safety contacts, while the PNOZ s7.2 has four safety contacts plus one auxiliary contact. They can be combined with other PNOZsigma expansion modules at any time.

Multiple expansion – Contact expansion modules PNOZ s7.1 and PNOZ s7.2

Contact expansion module PNOZ s20 with semiconductor outputs

The number of safety contacts can be expanded by semiconductor outputs in conjunction with a base unit, such as the PNOZ s3 for example: If max. ten semiconductor outputs are needed, the contact expansion module PNOZ s20 can be connected directly to a base unit. If further safe semiconductor outputs are required, contact expansion PNOZ s7.1 is used. The number of semiconductor outputs can thus be increased almost infinitely.

Contact expansion module PNOZ s20 with semiconductor outputs

Contact expansion module PNOZ s22 – Twice as good

PNOZ s22 provides two relay functions that can be controlled separately in accordance with PL e of EN ISO 13849-1. Each relay function provides 3 N/O/1 N/C contacts. These can be controlled separately, so that the outputs can be assigned different functions, depending on the base unit. Safe separation between the two relay functions enables different potentials to be switched. Multiplication of the relay contacts permits an extended range of functions for applications; this is an interesting feature, especially in connection with the safe speed monitor PNOZ s30.

Contact expansion module PNOZ s22 – Twice as good
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PNOZ s7 24VDC 4 n/o 1 n/c

PNOZsigma Contact expansion. Outputs: 4 N/O, 1 N/C UB 24 V DC, width: 17.5 mm, plug-in terminals of screw type Contact block for contact expansion in connection with safety-related control components.

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PNOZ s8 24VDC 2 n/o

PNOZsigma Contact expansion. Outputs: 2 N/O, 1 semiconductor. UB 24V DC, width: 12.5 mm, plug-in terminals of screw type Contact block for contact expansion in connection with safety-related control components.

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PNOZ s10 24VDC 4 n/o 1 n/c

PNOZsigma Contact expansion. Outputs: 4 N/O, 1 N/C. UB 24V DC, switching load: 12 A DC1, Width: 45 mm, plug-in terminals of screw type. Contact block for contact expansion in connection with safety-related control components.

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PNOZ s11 24VDC 8 n/o 1 n/c

PNOZsigma Contact expansion. Outputs: 8 N/O, 1 N/C UB 24 V DC, width: 45 mm, plug-in terminals of screw type Contact block for contact expansion in connection with safety-related control components.

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PNOZ s7.1 24VDC 3 n/o cascade

PNOZsigma Contact expansion. Outputs: 3 N/O, 1 N/C. UB 24 V DC, width: 17.5 mm, plug-in terminals of screw type. Contact block for contact expansion expansion in connection with safety-related control components. Additional voltage supply to supply additional contact blocks.

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PNOZ s7.2 24VDC 4 n/o 1 n/c expand

PNOZsigma Contact expansion. Outputs: 4 N/O, 1 N/C. UB 24 V DC, width: 17.5 mm Plug-in terminals of screw type. Contact block for contact expansion expansion in connection with safety-related control components. Additional contact blocks can be mounted on the right.

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PNOZ s7 C 24VDC 4 n/o 1 n/c

PNOZsigma Contact expansion. Outputs: 4 N/O, 1 N/C. UB 24 V DC, width: 17.5 mm, Plug-in spring-loaded terminals. Contact block for contact expansion in connection with safety-related control components.

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PNOZ s8 C 24VDC 2 n/o

PNOZsigma Contact expansion. Outputs: 2 N/O, 1 semiconductor. UB 24V DC, width: 12.5 mm, plug-in spring-loaded terminals. Contact block for contact expansion in connection with safety-related control components.

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PNOZ s10 C 24VDC 4 n/o 1 n/c

PNOZsigma Contact expansion. Outputs: 4 N/O, 1 N/C. UB 24 V DC, 12A DC1 switching load, width: 45 mm, plug-in spring-loaded terminals. Contact block for contact expansion in connection with safety- related control components.

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PNOZ s11 C 24VDC 8 n/o 1 n/c

PNOZsigma Contact expansion. Outputs: 8 N/O, 1 N/C. UB 24V DC, width: 45 mm, Plug-in spring-loaded terminals. Contact block for contact expansion in connection with safety-related control components.

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PNOZ s7.1 C 24VDC 3 n/o cascade

PNOZsigma Contact expansion. Outputs: 3 N/O, 1 N/C UB 24 V DC, width: 17.5 mm, plug-in spring-loaded terminals. Contact block for contact expansion in connection with safety-related control components.

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PNOZ s7.2 C 24VDC 4 n/o 1 n/c expand

PNOZsigma Contact expansion. Outputs: 4 N/O, 1 N/C UB 24 V DC, width: 17.5 mm, plug-in spring-loaded terminals. Contact block for contact expansion in connection with safety-related control components. Additional mounting of modules on the right is possible.

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PNOZ s7 C 4 n/o 1 n/c coated

PNOZsigma Contact expansion. Outputs: 4 N/O, 1 N/C UB 24 V DC, width: 17.5 mm, plug-in spring-loaded terminals. Contact block for contact expansion in connection with safety-related control components. Varnished version.

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PNOZ s22 24VDC 2 x 3 n/o 1 n/c

PNOZsigma dual relay expansion for connecting to PNOZ s30 and PNOZ mm0p, 2 separate channels for each 3 N/O + 1 N/C, plug-in terminals of screw type 1 N/C, plug-in terminals of screw type.

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PNOZ s22 C 24VDC 2 x 3 n/o 1 n/c

PNOZsigma dual relay expansion for connecting to PNOZ s30 and PNOZ mm0p, 2 separate channels for each 3 N/O + 1 N/C, plug-in spring-loaded terminals.

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PNOZ s20 24VDC 2so

PNOZsigma Contact expansion. Outputs: 2 semiconductor safety outputs, 1 standard semiconductor output UB 24 V DC, width: 22.5 mm, plug-in terminals of screw type. Expansion module for expansion in connection with safety- related control components.

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PNOZ s20 C 24VDC 2so

PNOZsigma Contact expansion. Outputs: 2 semiconductor safety outputs, 1 standard semiconductor output, UB 24 V DC, width: 22.5 mm, plug-in spring-loaded terminals. Expansion module for expansion in connection with safety- related control components.

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