PNOZ s7.
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PNOZ s7.2 Safety relay PNOZ s7.2 The unit meets the requirements of EN 60947-5-1, EN 60204-1 and VDE 0113-1. The contact expansion module is used to increase the number of instantaneous safety contacts available on a base unit. The category that can be achieved in accordance with EN ISO 13849-1 depends on the category of the base unit. The contact expansion module may not exceed this.
PNOZ s7.2 Block diagram/terminal configuration Centre: Front view with cover, right: Front view without cover *Safe separation in accordance with EN 60947-1, 6 kV Function description with PNOZsigma s7.
PNOZ s7.2 Expansion options Please note the max. power consumption of the contact expansion modules (see technical data PNOZ s7.1). : Base unit : Contact expansion module PNOZ s7.1 : Contact expansion module PNOZ s7.2 : Contact expansion module PNOZ s7.2 with terminator : Base unit : Contact expansion module PNOZ s7.1 : Contact expansion module PNOZ s7.2 : Expansion module PNOZ s7, s8, s9, s10, s11 as a terminator : Contact expansion module PNOZ s7.1 with terminator : Contact expansion module PNOZ s7.
PNOZ s7.2 Please note the max. power consumption of the contact expansion modules (see technical data PNOZ s7.1). Expansion options : Contact expansion module PNOZ s7.1 with terminator : Contact expansion module PNOZ s7.2 : Expansion module PNOZ s7, s8, s9, s10, s11 as a terminator : Base unit : Contact expansion module PNOZ s7.1 : Contact expansion module PNOZ s7.2 : Contact expansion module PNOZ s7.1 : Contact expansion module PNOZ s7.2 : Contact expansion module PNOZ s7.
PNOZ s7.2 Preparing for operation Supply voltage/input circuit/feedback loop Supply voltage/input circuit/ feedback loop AC Contact expansion module PNOZ s7.2 DC } Operation LEDs indicate the status and errors during operation: LED on Status indicators In1 Channel 1 actuated. In2 Channel 2 actuated. In1, In2, Out Safety contacts are closed.
PNOZ s7.2 Service life graph The service life graphs indicate the number of cycles from which failures due to wear must be expected. The wear is mainly caused by the electrical load; the mechanical load is negligible. Example } Inductive load: 0,2 A } Utilisation category: AC15 } Contact service life: 2,000,000 cycles Provided the application requires fewer than 2,000,000 cycles, the PFH value (see technical details) can be used in the calculation.
PNOZ s7.2 Technical details General Approvals Electrical data Supply voltage Voltage Type Power consumption Continuous duty Max. overall cable resistance Rlmax Single-channel at UB DC Number of output contacts Instantaneous safety contacts (N/O) Auxiliary contacts (N/C) Relay outputs Max. short circuit current IK Utilisation category In accordance with the standard Auxiliary contacts, AC1 at Min. current Max. current Max. power Auxiliary contacts, DC1 at Min. current Max. current Max.
PNOZ s7.2 Relay outputs Safety contacts, DC13 (6 cycles/ min) at Max. current Contact fuse protection, external safety contacts In accordance with the standard Blow-out fuse, quick Blow-out fuse, slow Circuit breaker, 24V AC/DC, characteristic B/C Contact fuse protection, external auxiliary contacts Blow-out fuse, quick Blow-out fuse, slow Circuit breaker, 24 V AC/DC, characteristic B/C Contact material Conventional thermal current while loading several contacts Ith per contact at UB DC Conv. therm.
PNOZ s7.2 Environmental data Vibration In accordance with the standard Frequency Max. amplitude Airgap creepage In accordance with the standard Overvoltage category Pollution degree Rated insulation voltage Rated impulse withstand voltage Protection type Mounting (e.g.
PNOZ s7.2 Safety characteristic data Operating mode EN ISO 13849-1: 2006 PL Safety con- PL e tacts, instantaneous EN ISO 13849-1: 2006 Category Cat. 4 EN IEC 62061 EN IEC 62061 SIL CL PFHD [1/h] SIL CL 3 2,31E-09 IEC 61511 IEC 61511 SIL PFD SIL 3 2,03E-06 EN ISO 13849-1: 2006 TM [year] 20 All the units used within a safety function must be considered when calculating the safety characteristic data.
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