Safety Relay Unit Four kinds of -mm wide Units are available: A -safety contact model, a -safety contact model, and models with safety contacts and OFF-delay safety contacts. Also available are 7.-mm wide Expansion Units with safety contacts and OFF-delay safety contacts. Two hand controller (III C, EN 7) Simple expansion connection. OFF-delay models have -step OFF-delay settings. Conforms to EN standards. (BG approval) Approved by UL and CSA. Both DIN track mounting and screw mounting are possible. The Series Offers a Complete Line-up of Compact Units. Ordering Information Emergency-stop Units Main contacts Auxiliary contact Number of input channels Rated voltage Model Category VAC/VDC PST-NO SPST-NC channel or channels possible -0 00 to 0 VAC VAC/VDC PST-NO SPST-NC channel or channels possible -0 00 to 0 VAC Emergency-stop OFF-delay Units Main contacts OFF-delay contacts Auxiliary contact Number of input channels OFF-delay time Rated voltage Model Category PST-NO DPST-NO SPST-NC channel or channels possible 7. s s 0 s VAC/VDC 00 to 0 VAC VAC/VDC 00 to 0 VAC VAC/VDC 00 to 0 VAC --T07 --T --T0 Main contacts: OFF-delay contacts: Note: The following -step OFF-delay time settings are available: T07: 0.,,.,,.,,.,,.,,.,,., 7, and 7. s T:,,,,,, 7, 8, 9, 0,,,,, and s T0:,,, 8, 0,,,, 8, 0,,,, 8, and 0 s Two-hand ler Main contacts Auxiliary contact Number of input channels Rated voltage Model Category PST-NO SPST-NC channels VAC/VDC 00 to 0 VAC Expansion Unit The Expansion Unit connects to a -0, -0, -, or -TH0. -TH0 Main contacts Auxiliary contact Model Category PST-NO SPST-NC -EX0 (IIIc, EN7) D-8 Safety Sensors / Components
Expansion Units with OFF-delay Outputs The Expansion Unit connects to a -0, -0, -, or -TH0. Main contact form Auxiliary contact OFF-delay time Model Category PST-NO SPST-NC Note: The following -step OFF-delay time settings are available: T07: 0.,,.,,.,,.,,.,,.,,., 7, and 7. s T:,,,,,, 7, 8, 9, 0,,,,, and s T0:,,, 8, 0,,,, 8, 0,,,, 8, and 0 s 7. s -EX0-T07 s -EX0-T 0 s -EX0-T0 Model Number Legend -######-####. Function None: Emergency stop EX: Expansion Unit TH: Two-hand ler. Contact Configuration (Safety Output) 0: None : PST-NO : PST-NO. Contact Configuration (OFF-delay Output) 0: None : DPST-NO : PST-NO. Contact Configuration (Auxiliary Output) 0: None : SPST-NC. Input Configuration (for -0/0/) None: -channel or -channel input possible. OFF-delay Time (Max. setting time) None: No OFF-delay T07: 7. seconds T: seconds T0: 0 seconds D-9
Specifications Ratings Power Input Power supply voltage Note: When an Expansion Unit is connected, the power consumption is increased by VA/ W max. Inputs Note: When an Expansion Unit is connected, the input current is increased by 0 ma max. Contacts Item -0/TH0-0 --T# Operating voltage range Power consumption (See note.) VAC/VDC: VAC, 0/0 Hz, or VDC 00 to 0 VAC:00 to 0 VAC, 0/0 Hz 8% to 0% of rated power supply voltage VAC/VDC:.8 VA/.7 W max. 00 to 0 VAC: 9 VA max. VAC/VDC:.8 VA/. W max. 00 to 0 VAC: VA max. Item -0/-T#/TH0-0 Input current (See note.) 0 ma max. 0 ma max. VAC/VDC:. VA/. W max. 00 to 0 VAC:. VA max. Rated load Item Rated carry current -0/0/-T#/TH0/EX0/EX0-T# Resistive load (cos f =) 0 VAC, A A Characteristics Item -0/TH0-0/-T# -EX0/EX0-T# Contact resistance (see note ) Operating time Response time (see note ) 00 mw 0 ms max. (not including bounce time) 0 ms max. (not including bounce time) Insulation resistance (see note ) 00 MW min. (at 00 VDC) Between different outputs Between inputs and outputs Dielectric Between power inputs and outputs strength,00 VAC, 0/0 Hz for min Between power inputs and other inputs (only for 00 to 0-V models) Vibration resistance 0 to Hz, 0.7-mm double amplitude Shock Destruction 00 m/s resistance Malfunction 00 m/s Durability Mechanical,000,000 operations min. (at approx. 7,00 operations/hr) Electrical 00,000 operations min. (at approx.,800 operations/hr) Minimum permissible load (reference value) VDC, ma Ambient temperature Operating:- C to C (with no icing or condensation) Storage:- C to 8 C (with no icing or condensation) Ambient humidity Operating:% to 8% Storage:% to 8% Terminal tightening torque 0.98 N m Weight (see note ) Approx. 0 g Approx. 70 g Approx. 0 g Approved standards EN9-, EN00-, EN7 (-TH0), UL08, CSA C. No. EMC EMI: EN0 group class A EMS: EN008- group Note:. The contact resistance was measured with A at VDC using the voltage-drop method.. The response time is the time it takes for the main contact to open after the input is turned OFF.. The insulation resistance was measured with 00 VDC at the same places that the dielectric strength was checked.. Weight shown is for -VAC/VDC type. For 00 to 0-VAC type, add approximately 0 g. D-0 Safety Sensors / Components
Application Examples -0 ( VAC/VDC) with -channel Limit Switch Input/Auto-reset Limit switches S and S and and Open S: Safety Limit Switch (DD or DB) S: Limit switch : Magnetic Contactor M: -phase motor Note: This achieves EN9- Safety Category. -0 ( VAC/VDC) with -channel Limit Switch Input/Manual-reset Open Limit switches S and S Reset switch S and and PC input PC output KM S: Safety Limit Switch (DD or DB) S: Limit switch S: Reset switch : Magnetic Contactor KM: GJ Solid-state Contactor (GJ) M: -phase motor Note: This achieves EN9- Safety Category. D-
-0 (00 to 0 VAC) with -channel Limit Switch Input/Auto-reset Limit switches S and S and and Open S: Safety Limit Switch (DD or DB) S: Limit switch : Magnetic Contactor M: -phase motor Note: This achieves EN9- Safety Category. -0 ( VAC/VDC) with -channel Emergency Stop Switch Input/Manual-reset Emergency stop switch S Reset switch S and and PC input PC output KM S: Emergency stop switch (AE or AE) S: Reset switch : Magnetic Contactor KM: GJ Solid-state Contactor (GJ) M: -phase motor Note: This achieves EN9- Safety Category. D- Safety Sensors / Components
--T# ( VAC/VDC) with -channel Limit Switch Input/Manual-reset Open Off delay timer S: Safety Limit Switch (DD or DB) S: Limit switch S: Reset switch : Magnetic Contactor M: -phase motor Operation instruction Motor controller Limit switches S and S Reset switch S and and K and K K and K Operation instruction Motor rotation OFF-delay time Note: This achieves EN9- Safety Category. The OFF-delay output, however, achieves EN9- Safety Category. D-
--T# ( VAC/VDC) + -EX0-T# with -channel Limit Switch Input/Manual-reset Open Off delay timer Off delay timer S: Safety Limit Switch (DD or DB) S: Limit switch S: Reset switch KM, KM, KM, and KM: Magnetic Contactor M, M: -phase motor Limit switches S and S Reset switch S --T# and --T# and --T# K and K --T# K and K Operation instruction Motor M rotation -EX0 and -EX-0 and KM and KM KM and KM Operation instruction Motor M rotation OFF-delay time OFF-delay time Operation instruction Motor controller Operation instruction Note: This achieves EN9- Safety Category. The OFF-delay output, however, achieves EN9- Safety Category. Motor controller D- Safety Sensors / Components
-0 ( VAC/VDC) with -channel Safety Area Sensor/Manual-reset KM D-
-TH0 ( VDC) with -hand Inputs/Auto-reset (See note.) S S S S 0. s max. Input time difference operates only when the difference is 0. s max. S, S: Two-hand pushbutton switches : Magnetic Contactor Note:. Use a NC+NO switch for S and S.. This achieves EN9- Safety Category. Typ III C (EN 7) D- Safety Sensors / Components
-0 ( VAC/VDC) and -EX0 with -channel Limit Switch Input/Manual-reset Open S: Safety Limit Switch (DD or DB) S: Limit switch S: Reset switch : Magnetic Contactor M: -phase motor Limit switches S and S Reset switch S -0,, K and K -0,, K, and K -EX0 and -EX0 and Note: This achieves EN9- Safety Category. D-7
Dimensions Note: All units are in millimeters unless otherwise indicated. The diagrams are drawn in perspective. -0-0 --T# -TH0-0 Terminal Arrangement -0 --T# -TH0 OFFdelay time setting switch (see note) C D. dia. -0: Twenty, M -0: Twenty-four, M --T#: Twenty-four, M -TH0: Twenty-one, M Mounting Holes Two,. dia. or M 7 max. OFF-delay time setting switch (see note) Connector cover Note: The OFF-delay time setting switch is found on the --T# only. max. max. -EX0 -EX0-T# Mounting Holes Two,. dia. or M Terminal Arrangement -EX0 -EX0-T# Eight, M OFF-delay time setting switch (see note). dia. 7 max. OFF-delay time setting switch (see note) Note: The OFF-delay time setting switch is found on the -EX0-T# only. 7. max. max. D-8 Safety Sensors / Components
Installation Internal Connections -0 ( VAC/VDC) A A T T T T a b a b JP -0 (00 to 0 VAC) PE T T T AB (See note.) (See note.) (See note.)(see note.) -0 ( VAC/VDC) -0 (00 to 0 VAC) A A T T T T a K K b a b K K JP A A T PE T T T T (See note.) (See note.) --T# ( VAC/VDC) A B T T (See note.)(see note.) --T# (00 to 0 VAC) a b K K Off delay timer a b K K JP Off delay timer PE T T T A B (See note.) (See note.) (See note.) (See note.) -TH0 ( VAC/VDC) A A T T T T T -TH0 (00 to 0 VAC) JP PE T T T C D -EX0 -EX0-T# Off delay timer (See note.) (See note.) Note:. Use terminals A and B to switch reset mode. A to B open: Manual reset A to B closed: Auto-reset. Use terminals C and D to switch input conditions. C to D open: DPDT input. C to D closed: DPST-NC input. (Make sure T and T are open.). Use terminal T with + common -channel input. When using T, make sure that T and T are open. For -channel input, make sure T and T are closed.. With 00 to 0-VAC type, be sure to connect PE to a protective ground. With -VAC/VDC type, if the power supply is not connected to a protective ground, be sure to connect PE to a protective ground.. With -VAC/VDC type, the power supply terminals A and A have polarities. A is the negative pole. D-9
Precautions Caution Do not touch the terminal area of the Relays or the socket terminal area (charged area) while power is ON. Electric shock will result. Wiring Turn OFF the before wiring the. Do not touch the terminals of the while the power is turned ON, because the terminals are charged and may cause an electric shock. Use the following to wire the. Stranded wire: 0.7 to. mm Solid wire:.0 to. mm Tighten each screw to a torque of 0.78 to.8 N m, or the may malfunction or generate heat. External inputs connected to T and T or T and T of the -0 must be no-voltage contact inputs. PE is a ground terminal. When a machine is grounded at the positive, the PE terminal should not be grounded. Applicable Safety Category (EN9-) -series Relays meet the requirements of Safety Category of the EN9- standards when they are used as shown in the examples provided by OMRON. The Relays may not meet the standards in some operating conditions. The OFF-delay output of models --T# and EX0-T#, however, conform to Safety Category. The applicable safety category is determined from the whole safety control system. Make sure that the whole safety control system meets EN9- requirements. Mounting Multiple Units When mounting multiple Units close to each other, the rated current will be A. Do not apply a current higher than A. Connecting Inputs If using multiple models, inputs cannot be made using the same switch. This is also true for other input terminals. Mounting Expansion Units Turn OFF the before connecting the Expansion Unit. When an Expansion Unit is being used, remove the connector cover from the Safety Relay Unit (-0, -0, - #, or -TH0) and insert the connector of the Expansion Unit s connector cable. Earth Short A positive thermistor is built into the s, so you can detect earth short breakdowns and breakdown shorts between channel and channel. If the short breakdown is canceled, reset is automatic. D-0 Safety Sensors / Components