Solid-state Timer H3FA Please read and understand this catalog before purchasing the products. Please consult OMRON representative if you have any questions or comments. Refer to Warranty and Application Considerations on page 12 and Safety Precautions on page 9. DIP Model Timer for PC Board Use Provides Contact and Solid-state Output Four time ranges are selectable. Models suffixed - A : 1 s, 10 s, 1 min, 10 min. Models suffixed - B : 6 s, 60 s, 6 min, 60 min. Timer operation may also be controlled through an external variable resistor. Timer can be cleaned while mounted on a PC Board with the sealing tape affixed. Twenty-four-pin IC socket can be used for mounting the Timer. Mountable on a 1-inch pitch rack. (H 19.5 W 36.9 D 17.75 mm) Model Number Structure Note: This model number legend includes combinations that are not available. Before ordering, please check the List of Models on page 2 for availability. H3FA- 12 3 4 1. Time-limit contact 4. Supply voltage None: Contact outputs (SPST-NO + SPST-NC) For contact output models S: Solid-state outputs 5DC: 5 V DC 2. Time range 6DC: 6 V DC A: 1 s to 10 min 12DC: 12 V DC B: 6 s to 60 min 24DC: 24 V DC 3. Operation/resetting system For solid-state output models None: Time-limit operation/power-OFF resetting and external 5/6DC: 5/6 V DC resetting, Integrating operation/power-OFF resetting and 12/24DC: 12/24 V DC external resetting U: Instantaneous operation, time-limit resetting/external resetting Solid-state Timer H3FA 1Ordering Information List of Models Item Model H3FA-A H3FA-B H3FA-SA H3FA-SB H3FA-AU H3FA-BU H3FA-SAU H3FA-SBU Operation/resetting Time-limit operation/power-OFF resetting and external Instantaneous operation, time-limit resetting/external system (See note.) resetting, resetting Integration operation/power-OFF resetting and external resetting Time-limit contact Contact output Solid-state output Contact output Solid-state output (SPST-NO + SPST-NC) (SPST-NO + SPST-NC) Instantaneous --- contact Mounting method Surface mounting (with IC socket or direct mounting on PC Board) Time range 1 s to 10 min 6 s to 60 min 1 s to 10 min 6 s to 60 min 1 s to 10 min 6 s to 60 min 1 s to 10 min 6 s to 60 min Supply 5 V DC H3FA-A 5DC H3FA-B 5DC --- --- H3FA-AU H3FA-BU --- --- voltage 5DC 5DC 6 V DC H3FA-A 6DC H3FA-B 6DC --- --- H3FA-AU --- --- --- 6DC 12 V DC H3FA-A H3FA-B --- --- H3FA-AU H3FA-BU --- --- 12DC 12DC 12DC 12DC 24 V DC H3FA-A H3FA-B --- --- H3FA-AU H3FA-BU --- --- 24DC 24DC 24DC 24DC 5/6 V DC --- --- H3FA-SA H3FA-SB --- --- H3FA-SAU H3FA-SBU 5/6DC 5/6DC 5/6DC 5/6DC 12/24 V DC --- --- H3FA-SA H3FA-SB --- --- H3FA-SAU H3FA-SBU 12/24DC 12/24DC 12/24DC 12/24DC Note: The desired operation/resetting system is selected by short-circuiting and opening the specified terminals. Specifications Time Ranges Model Rated time Time setting range H3FA-A 1 s 0.1 to 1 s H3FA-AU 10 s 1 to 10 s H3FA-SA 1 min 0.1 to 1 min H3FA-SAU 10 min 1 to 10 min H3FA-B 6 s 0.6 to 6 s H3FA-BU 60 s 6 to 60 s H3FA-SB 6 min 0.6 to 6 min H3FA-SBU 60 min 6 to 60 min Note: 1. The above timing ranges apply when the internal variable resistor of H3FA is used. 2. The external variable resistor may also be used by opening the terminal connected to the internal variable resistor. 3. Wire the appropriate terminal to select a time setting range. Refer to Rated Time and Terminal Connections on page 4 for details. 2 Solid-state Timer H3FA