E-STOP relays, safety gate monitors Up to Category 4, EN 954-1 PNOZ XV2 Unit features E-STOP pushbuttons Safety gates Positive-guided relay outputs: The max. category the safety contacts 2 safety contacts (N/O), instanta- can achieve in accordance with neous EN 954-1 is stated in the technical de- 2 safety contacts (N/O), delay-on tails. de-energisation Connection options for: Safety features E-STOP pushbutton Safety gate limit switch The relay meets the following safety Reset button requirements: LED indicator for: The circuit is redundant with built-in Switch status channel 1/2 self-monitoring. Supply voltage The safety function remains effec- Safety relay for monitoring E-STOP Reset circuit tive in the case of a component fail- pushbuttons and safety gates. Delay-on de-energisation, fixed or ure. adjustable The correct opening and closing of Approvals Delay time can be cancelled via re- the safety function relays is tested set button automatically in each on-off cycle. See order reference for unit types The unit has an electronic fuse. PNOZ XV2 Unit description The safety relay meets the require- ments of EN 60947-5-1, EN 60204-1 and VDE 0113-1 and may be used in applications with Block diagram Pilz GmbH & Co. KG, Sichere Automation, Felix-Wankel-Strae 2, 73760 Ostfildern, Germany NSG-D-2-062-2010-01 Telephone: +49 711 3409-0, Telefax: +49 711 3409-133, E-Mail: pilz.gmbh pilz.deE-STOP relays, safety gate monitors Up to Category 4, EN 954-1 PNOZ XV2 Function description earth faults in the reset and input Monitored reset: Unit is active once circuit, the input circuit is closed and once Single-channel operation: no re- short circuits in the input circuit the reset circuit is closed after the dundancy in the input circuit, earth and, with a monitored reset, in waiting period has elapsed faults in the reset circuit are detect- the reset circuit too, (see technical details). ed. shorts between contacts in the Increase in the number of available Dual-channel operation with detec- input circuit. contacts by connecting contact ex- tion of shorts across contacts: re- Automatic start: Unit is active once pander modules or external contac- dundant input circuit, detects the input circuit has been closed. tors/relays. Timing diagram Key Power: Supply voltage Output safe: Safety contacts, in- t : Delay-on de-energisation 2 Reset/start: Reset circuit S13-S14, stantaneous 13-14, 23-24 t : Delay time 3 S33-S34 Output safe del: Safety contacts, t : Waiting period 4 Reset t : Y39-Y40 delayed 37-38, 47-48 v t : Recovery time 5 c : Automatic reset Input: Input circuits S11-S12, S21- d : Monitored reset S22, S31-S32 t : Switch-on delay 1 Wiring Please note: Use copper wire that can withstand Information given in the Technical 60/75 C. details must be followed. Sufficient fuse protection must be Outputs 13-14, 23-24 are instanta- provided on all output contacts with neous safety contacts, outputs 37- capacitive and inductive loads. 38, 47-48 are delay-on de-energi- sation safety contacts. To prevent contact welding, a fuse should be connected before the output contacts (see technical de- tails). Calculation of the max. cable runs l in the input circuit: max R = max. overall cable resist- lmax ance (see technical details) R / km = cable resistance/km l Pilz GmbH & Co. KG, Sichere Automation, Felix-Wankel-Strae 2, 73760 Ostfildern, Germany NSG-D-2-062-2010-01 Telephone: +49 711 3409-0, Telefax: +49 711 3409-133, E-Mail: pilz.gmbh pilz.de -2