150 ??? 2cdc110004c0204 3 c571 1sar 501 020 f 0001 2cdc 262 013 f0004 2cdc 262 002 f0004 2cdc 262 014 f0004 2cdc 262 011 f0004 13 23 a1 y11 y12 a2 14 24 a1 a2 13 14 23 24 y33 y21 y34 y22 13 23 a1 y1 y2 a2 14 24 a1 a2 13 14 23 24 ? 2 1 3 24 14 23 13 y2 y1 a2 a1 4 5 k1 k2 k1 k2 k1 k2 m 3~ l+ l- l-/n l+/l1 c571 7 6 1 2 3 4 y34 y22 y12 14 24 y33 y34 y21 y11 y22 y12 a2 a1 13 23 k1 l-/n k2 k1 k2 l1 n l-/l1 c571-ac k1 k2 m 3~ 5 6 safety relays c571 and c571-ac ordering details emergency stop monitor and safety gate monitor c571 and c571-ac 1) possible in combination with additional external measures. information given in brackets only apply if cables and sensors are installed safely and mechanically protected. type supply voltage u c order code pack. unit piece price 1 piece weight 1 piece kg / lb auto-start supply voltage v c at emergency stop button or limit switch feedback loop for monito- ring of external contactors safety outputs: 2 n/o contacts, positively guided 3 leds for status indication safety category acc. to en 954-1: b, 1, 2, 3, 4 1) ? ptc-fuse ? power pack ? control logic ? channel1 ? channel 2 ? external starting conditions ? start pushbutton connection diagram c571 block diagram c571 a1-a2 supply voltage 13-14, 23-24 safety outputs (n/o) y1-y2 feedback loop, on-button ? power pack ? control logic ? channel 1 ? channel 2 ? external starting conditions ? start pushbutton connection diagram c571-ac block diagram c571-ac a1-a2 supply voltage 13-14, 23-24 safety outputs (n/o) y11-y12 channel 1 y21-y22 channel 2 y33-y34 feedback loop, on-button application the safety relays c571 and c571-ac can be used in emergency stop circuits according to en 418 and in safety circuits according to vde 0113 part 1 (11.98) and/or en 60 204-1 (11.98), e. g. with movable covers and guard doors. depending on the external connections, safety categories b, 1, 2, 3 or 4 1) accor- ding to din en 954-1 are achievable. when the safety combination is used in "automatic start" mode, automatic restarting (according to en 60 204-1, sections 9.2.5.4.2 and 10.8.3) must be prevented by the higher-level control system in the event of emergency stop. functions the safety relays c571 and c571-ac have two enabling (safe) circuits which are con? gured as n/o contacts. the number of enabling circuits can be increased by adding one or more c579 extension units. three leds (power, channel 1, channel 2) indicate the operating state and function. when the emergency stop button or the limit switch is unlocked and when the on-button is pressed, the internal circuits of the safety relays and the external contactors are checked for proper functioning. c571 c571 24 v dc 24 v ac/dc 1sar 501 020 r0003 1sar 501 020 r0001 1 1 0.26 / 0.57 0.26 / 0.57 c571-ac c571-ac 115 v ac 230 v ac 1sar 501 020 r0004 1sar 501 020 r0005 1 1 0.29 / 0.64 0.29 / 0.64 ? approvals ................................................................................ 144 ? technical data ............ ..............................................................160 ? dimensional drawings ............................................................. 161
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