8-6 safety plcs guardplc 1200 packaged safety controller 1754Cl28bbb the guardplc 1200 is a safety-related compact programmable electronic system (pes), which is designed in accordance with iec 61131. despite its small size, it complies with the requirements for a control system with the safety integrity level (sil 3) according iec 61508. the guardplc 1200 is designed for smaller applications that require functional safety and that can be serviced with a fixed number of i/o points. the compact size of the guardplc 1200 combined with din rail mounting allows deployment even under cramped space conditions. the guardplc 1200 includes a power supply, cpu, watchdog, 20 digital inputs, 8 digital outputs plus 2 counters and communication ports, all incorporated in a rugged plastic housing. typical applications ? perimeter guarding for robot/weld cells ? perimeter guarding for packaging machines ? entertainment industry (ride control and ski lift control) ? burner management ? press controls features ? rugged plastic housing ? din rail mounting ? i/o self test ? 30 i/o points ? 24v digital i/o ? multiple i/o test points ? certified by tv for use in appl ications to sil 3 according to iec 61508; en 954?1, category 4 ? programmed with rslogix guard software ? rs?232 port for ascii communication (read only) ? ethernet port for programming, configuration and peer-to-peer specifications number of safety-related digital inputs 20 (not electrically isolated) nominal input voltage 24v dc on-state voltage 10-30v dc on-state current 2ma @ 10v dc, 13ma @ 30v dc off-state voltage 5v dc (maximum) off-state current 1.5ma per channel (maximum) 4ma per channel (minimum) number of safety-related digital outputs 8 (not electrically isolated) output voltage range 18.4 to 26.8 v dc output current channels 1 through 6: 0.5a per channel channels 7 & 8: 2a per channel number of safety-related counters 2 inputs per counter 3 (input a, direction, gate/reset) counter resolution 24 bit input frequency 100 khz (maximum) in counter modes power supply voltage 24v dc(20 / -15%), 15% ripple power rating 8a (maximum) ambient temperature (operating) 0 c to 60 c (32 f to 140 f) storage temperature -40 c to 85 c (-40 f to 185 f) operating humidity 5 to 95% (without condensation) shock operating: 30g non operating: 50g vibration operating: 2g @ 10 to 500hz dimensions (wxhxd) 90 x 160 x 87mm (3.54 x 6.29 x 3.42in) weight 0.68 kg
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