Timers Symmetrical Recycler and Delay on Operate Type ECA • • • • • • • • • Dual-function timer Time range 0.1 s to 10 h Automatic start (ON or OFF time first) Knob-adjustable time setting Knob selection of time range and function Oscillator-controlled time circuit Repeatability deviation: ≤ 0.2% Output: 5A SPDT For mounting on DIN-rail in accordance with DIN/EN 50 022 • 22.5 mm Euronorm housing • LED-indication for relay and power supply ON • Combined AC and DC power supply Product Description Ordering Key Dual-function timer, combined symmetrical and delay on operate function with 3 selectable time ranges within 0.1 s to 1 m or 1 m to 10 h. For mounting on DIN-rail. Often used in applications e.g. where water has to be applied to selected areas for a set period of time. Housing Function Type Output Power supply Time range ECA C T23 1M Type Selection Mounting Output Time range Supply: 24 VAC/DC & 115-230 VAC For DIN-rail SPDT SPDT 0.1 s - 1 m 1 m - 10 h ECA C T23 1M ECA C T23 10H Time Specifications Output Specifications Time ranges Type 1 M Selectable by rotary switch Output Rated insulation voltage Contact ratings (AgCdO) AC 1 Resistive loads DC 1 Small inductive loads AC 15 DC 13 Mechanical life Electrical life Type 10 H Selectable by rotary switch Time range accuracy Repeatability deviation Time variation Within rated power supply and ambient temperature Reset Time and relay 0.1 s - 1 s 1 s - 10 s 0,1 m - 1 m 1 m - 10 m 0.1 h - 1 h 1 h - 10 h ±10% on max. min. actual time ≤ min. set time ≤ 0.2% ≤ 0.05%/V ≤ 0.2%/°C Operating frequency Dielectric strength Dielectric voltage Rated impulse withstand volt. SPDT relay 250 VAC (contact/elect.) µ (micro gap) 5 A, 250 VAC 5 A, 24 VDC 2 A, 250 VAC 3 A, 24 VDC ≥ 40 x 106 operations ≥ 105 operations (at max. load) ≤ 7200 operations/h 2 kVAC (rms) 4 kV (1.2/50 µs) Power supply interruption ≥ 200 ms Specifications are subject to change without notice (25.10.99) 1 ECA Supply Specifications General Specifications Power supply Rated operational voltage Through term. A1 & A2 T23 Frequency Through term. A2 & A3 T23 Frequency Voltage interruption Dielectric voltage Rated impulse withstand voltage Rated operational current EMC Overvoltage cat. III (IEC 60664) (IEC 60038) 115-230 VAC, -10/+15% 50/60 Hz, -5/+5 Hz 24 VAC/DC, -10/+15% 50/60 Hz, -5/+5 Hz ≤ 40 ms None 4 kV (1.2/50 µs) 20 mA @ 24 VDC 40 mA @ 24 VAC 20 mA @115 VAC 40 mA @ 230 VAC Immunity Power ON delay Power OFF delay Indication for Power supply ON Output ON Environment Degree of protection Pollution degree Operating temperature Storage temperature Weight Screw terminals Tightening torque Approvals Electromagnetic Compatibility Acc. to IEC 60801-4 Acc. to IEC 60801-5 ≤ 200 ms ≥ 200 ms LED, green LED, yellow IP 20 3 -20° to +50°C (-4° to +122°F) -50° to +85°C (-58° to +185°F) 125 g Max. 0.5 Nm acc. to IEC 60947 UL, CSA, SEV Mode of Operation Function 1 (F1) Delay on operate timer The delay period begins when power supply is applied. At the end of the set delay, the relay will operate and will not release until power supply is interrupted for at least 200 ms. is reset to zero, and the relay is ready for a new time period. Function 2 (F2) Recycler, OFF-time period first. The time period begins when power supply is applied. At the end of the first time period, the relay operates. When the second time period (equal to the first) has expired, the relay releases. If power supply is interrupted for at least 200 ms before the relay operates, the time circuit Wiring Diagram 115-230 V This sequence continues with equal time periods until power supply is interrupted for at least 200 ms. riod, the relay releases. When the second time period (equal to the first) has expired, the relay operates. Function 3 (F3) Recycler, ON-time period first The relay operates and the time period begins when power supply is applied. At the end of the first time pe- This sequence continues with equal time periods until power supply is interrupted for at least 200 ms. Time Setting ~ 24 V L Selection of time ranges Upper knob: Selectable on 3-position rotary switch. ~ µ Time setting Lower knob: Knob-adjustable on relative scale 1-10. Selection of mode of operation Centre knob: Selectable on 3-position rotary switch. N Operation Diagram Power supply F1 Relay ON F2 Relay ON F3 Relay ON 2 Specifications are subject to change without notice (25.10.99)