plug-in safety relay g7s safety relay for machine control conforms to en standard suitable for safety circuits in press machinery, machine tools, and other production machinery ce mark (conforms to pren50205) positive, force-guided contacts a minimum of 0.5 mm between contacts even when one contact is welded (pren50205 class a) din rail-mounting and panel-mounting sockets are available note: be sure to refer to the precautions section. ordering information safety relays number of contacts no contacts nc contacts contact form rated voltage (v) part number 6 poles 4 2 4pst-no + dpst-nc 24 vdc g7s-4a2b dc24 3 3 3pst-no + 3pst-nc g7s-3a3b dc24 accessories description part number mounting sockets din-rail mounting and screw mounting p7s-14f g solder terminals p7s-14a pcb terminals p7s-14p socket mounting plate for solder terminal sockets, holds 10 sockets p7s-a10 relay removal tool removes relay from sockets p7s-b din rail mounting track 50 cm (1.64 ft) length pfp-50n g 1 m (3.28 ft) length pfp-100n spacer pfp-s end plate pfp-m
g7s g7s 2 specifications ratings operation coil rated voltage rated current coil resistance minimum operate voltage release voltage max. voltage power consumption 24 vdc 30 ma 800 w 80% max. (v) 10% (v) 110% (v) approx. 0.8 w note: 1. the rated current and coil resistance are measured at a coil temperature of 23 c with tolerances of 15%. 2. performance characteristics are based on a coil temperature of 23 c 3. the maximum voltage is based on an ambient operating temperature of 23 c maximum. switching section (contact ratings) load type resistive load (cos f =1) inductive load (cos f = 0.4, l/r = 7 ms) rated load 240 vac: 3 a, 24 vdc: 3 a 240 vac: 3 a, 24 vdc: 1 a maximum switching voltage 250 vac, 24 vdc maximum switching current 6 a maximum switching capacity (reference value) 1,440 va, 144 w min. permissible load (see note.) 5 vdc, 10 ma contact material ag au note: the above values are based on an operating frequency of 60 operations/min. characteristics contact resistance (see note 2.) 100 m w max. operate time (see note 3.) 50 ms max. release time (see note 3.) 50 ms max. maximum operating frequency mechanical 18,000 operations/hr gq y rated load 1,800 operations/hr insulation resistance 100 m w min. (at 500 vdc) dielectric strength 2,500 vac, 50/60 hz for 1 min (1,500 vac between contacts of same polarity) vibration mechanical 10 to 55 hz, 1.5-mm double amplitude electrical 10 to 55 hz, 0.75-mm double amplitude shock mechanical 1,000 m/s 2 (approx. 100g) electrical 100 m/s 2 (approx. 10g) life expectancy mechanical 10,000,000 operations min. (at approx. 18,000 operations/hr) y electrical 100,000 operations min. (at the rated load and approx. 1,800 operations/hr) ambient temperature operating 10 c to 70 c (14 f to 158 f) no icing storage 25 c to 70 c (-13 f to 158 f) no icing relative humidity 35% to 85% rh ambient storage humidity 35% to 85% rh weight approx. 65 g note: 1. the values given above are initial values. 2. measurement conditions: 5 vdc, 10 ma, voltage drops. 3. measurement conditions: rated voltage operation ambient operating temperature: 23 c (73.4 f) does not include bounce time.
g7s g7s 3 characteristics of safety relay socket model continuous current dielectric strength insulation resistance p7s-14 6 a 2000 vac for 1 min. between terminals 1000 m w min. (see note.) note: measurement conditions: measurement of the same points as for the dielectric strength at 500 vdc. approved standards vde0435 (electrical relays); approved by vde iec255 (electrical relays); approved by vde pren50205 (electrical relays); approved by vde ul508 (industrial control device) csa22.2 no.14 (industrial control device) en g ineerin g data electrical life expectancy (240 vac; cos f =0.4, cos f =1) 100 life expectancy (x10 operations) 10 1 0 1 234 56 g7s g9s switching current (a) i (current) 4 dimensions unit: mm (inch) safety relays g7s-4a2b g7s-3a3b terminal installation/internal connection diagram (bottom view) g7s-4a2b cross-section of mounting holes g7s-3a3b 62 max. (2.44) 22.5 max. (0.89) 37 max. (1.46) 5 min. 24 vdc 24 vdc fourteen, 1.8 dia.
g7s g7s 4 safety relay sockets p7s-14f din rail-mounting socket or screw mounting terminal installation/internal connection diagram (top view) 40 max. 90.5 max. (3.56) 69 max. (2.72) 47 max. 40 max. (1.57) 47 max. (1.85) cross-section of mounting holes with safety relay mounted 7.5 4 31.3 7 x 4 = 28 p7s-14a panel-mounting socket (solder terminals) 61.5 max. (2.42) 23 max. (0.91) 33 max. (1.30) 39 max. (1.54) terminal installation/internal connection diagram (bottom view) g7s-4a2b g7s-3a3b with safety relay mounted cross-section of mounting holes (0.83) (2.24)
g7s g7s 5 p7s-14p pcb-mounting socket (pcb terminals) terminal installation/internal connection diagram (bottom view) g7s-4a2b cross-section of mounting holes g7s-3a3b 23 max. 61.5 max. (2.42) 23 max. (0.91) 29 max. (1.14) with safety relay mounted 28 max. (1.10) two, 6.5 dia x 7.9 deep fourteen, 1.8 dia. two, 3.6 dia. 15.4 (0.61) socket mounting plate p7s-a10 (special mounting plate for p7s-14a) 261 max. (10.28) 81 max. (3.19) four, c0.5 1.6 (0.06) relay removal tool p7s-b 7 59.2 (2.33) 15 (0.59) 35 (1.38) 19.3
g7s g7s precautions positive guided contacts when no contacts are welded, the coil will be non-energized so all nc contacts will maintain a distance between the contacts of 0.5 mm minimum. likewise if nc contacts are welded, the coil will be energized so all contacts will maintain a distance between each other of 0.5 mm minimum. caution do not touch the terminal area of the relays or the socket ter- minal area (charged area) while power is on. electric shock will result. safety relays a safety relay is a relay with which a safety circuit can be configured. for common precautions when using and handling relays, consult omron. contacts the coil terminals have polarity (positive and negative).operation is not possible if these are connected in reverse. cat. no. cedsax3 10/99 specifications subject to change without notice. printed in u.s.a. omron electronics, inc. one east commerce drive schaumburg, il 60173 note: dimensions shown are in millimeters. to convert millimeters to inches divide by 25.4. 1-800-55-omron omron canada, inc. 885 milner avenue scarborough, ontario m1b 5v8 416-286-6465 !
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