PNOZ s11 Safety relays Operating Manual-21693-EN-08
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PNOZ s11 Safety Relay PNOZ s11 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. Base units are all safety relays with feedback loop monitoring. 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 s11 Block diagram/terminal configuration A1 A2 13 23 33 43 63 73 83 93 51 Input K1 Interface base unit Power K2 14 24 34 44 64 74 84 94 52 *Safe separation in accordance with EN 60947-1, 6 kV Function description with PNOZsigma base unit: } Dual-channel operation via PNOZsigma connector without PNOZsigma base unit: } Single-channel operation: one input circuit affects the output relays Installation Install contact expansion module without base unit: } Ensure that the plug terminat
PNOZ s11 Wiring Please note: } Information given in the "Technical details" must be followed. } Outputs 13-14, 23-24, 33-34, 43-44, 63-64, 73-74, 83-84, 93-94 are safety contacts; output 51-52 is an auxiliary contact (e.g. for display). } Auxiliary contact 51-52 should not be used for safety circuits! } To prevent contact welding, a fuse should be connected before the output contacts (see technical details). } Calculation of the max.
PNOZ s11 } Feedback loop Feedback loop Base unit: Safety relay PNOZ X The inputs that evaluate the feedback loop will depend on the base unit and application } Base unit: Safety relay PNOZelog 24 V DC 51 feedback loop 52 PNOZsigma expansion module Connection to PNOZsigma base unit Base unit: Safety relay PNOZsigma The feedback loop is connected and evaluated via the connector Information If a base unit and a contact expansion module from the PNOZsigm
PNOZ s11 Faults - malfunctions } Contact malfunctions: If the contacts have welded, reactivation will not be possible after the input circuit has opened. 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.
PNOZ s11 Technical details General Approvals Electrical data Supply voltage Voltage Type Voltage tolerance Output of external power supply (DC) Residual ripple DC Continuous duty Max. overall cable resistance Rlmax Single-channel at UB DC Voltage at Input circuit DC Current at Input circuit DC Number of output contacts Instantaneous safety contacts (N/O) Auxiliary contacts (N/C) Inputs Number Relay outputs Max.
PNOZ s11 Relay outputs Utilisation category In accordance with the standard Auxiliary contacts, AC15 at Max. current Auxiliary contacts, DC13 (6 cycles/min) at Max. current Safety contacts, AC15 at Max. current Safety contacts, DC13 (6 cycles/ min) at Max.
PNOZ s11 Times Switch-on delay With automatic reset after power on typ. With automatic reset after power on max. Delay-on de-energisation With E-STOP typ. With E-STOP max. With power failure typ. With power failure max. Environmental data Climatic suitability Ambient temperature Temperature range Storage temperature Temperature range EMC Vibration In accordance with the standard Frequency Max.
PNOZ s11 Mechanical data Cross section of external conductors with screw terminals 1 core flexible 2 core with the same cross section, flexible with crimp connectors, no plastic sleeve 2 core with the same cross section, flexible without crimp connectors or with TWIN crimp connectors Torque setting with screw terminals Connection type Mounting type Cross section of external conductors with spring-loaded terminals: flexible with/without crimp connector Spring-loaded terminals: Terminal points per connection
PNOZ s11 ATTENTION! It is essential to consider the relay's service life graphs. The relay outputs' safety-related characteristic data is only valid if the values in the service life graphs are met. The PFH value depends on the switching frequency and the load on the relay output.
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