H8GN Pre-set counters World’s smallest compact preset counter/timer The H8GN is a 1/32 DIN timer and counter in one. It is simple to switch between the timer and counter functions. During operation it is also possible to switch the display to monitor the totalising count value in 8 digits. Many sophisticatedfunctions come as standard with H8GN. • Size in mm (H×W×D) 24×48×83, 1/32 DIN sizehousing • 8 digit display, 4 value and 4 set value • Front mounting • –999 to 9999 • 24 VDC Ordering information Functions Supply voltageOutputOrder code Communications Counter TimerNo communicationsRS-485 Counter: Up/down/reversible, 4 digits,N, F, C or K output modes Total counter: 8 digits A: ON-delay B: Flicker D: SignalOFF-delay E: Interval F: Accumulative Z: ON/OFF-duty adjustable flicker 24 VDCContact output (SPDT) H8GN-ADH8GN-AD-FLK Specifications Rated supply voltage24 VDC Operating voltage range85 to 110% of rated supply voltage Power consumption 1.5 W max. (for max. DC load) (inrush current: 15 A max.) Mounting methodFlush-mounting External connectionsScrew terminals (M3 screws) Terminal screw tightening torque0.5 Nm max. AttachmentWaterproof packing, flush-mounting bracket Display 7-segment, negative transmissive LCD time display (h, min, s) CMW, OUT, RST, TOTAL Present value (red, 7 mm high characters) set value (green, 3.4 mm high characters) Digits PV: 4 digits, SV: 4 digits, when total count value is displayed: 8 digits (zeros suppressed) Memory backup EEPROM (non-volatile memory) (number of writes: 100,000 times) Counter Maximum counting speed30 Hz or 5 kHz Counting range –999 to 9,999 Input modesIncrement, decrement, individual, quadrature inputs Timer Timer modes Elapsed time (up), remaining time (down) Inputs Input signals For counter: CP1, CP2, and reset For timer: Start, gate, and reset Input methodNo-voltage input (contact short-circuit and open input) Short-circuit (ON) impedance: 1 k max. (approx. 2 mA runoff current at 0 ) Short-circuit (ON) residual voltage: 2 VDC max. Open(OFF) impedance: 100 k min. Applied voltage: 30 VDC max. Start, reset, gateMinimum input signal width: 1 or 20 ms (selectable) Power reset Minimum power-opening time: 0.5 s Control outputSPDT contact output: 3 A at 250VAC/30VDC, resistive load (cos = 1) Minimum applied load 10 mA at 5 VDC (failure level: P, reference value) Reset systemExternal, manual, and power supply resets (for timer in A, B, D, E, or Z modes) Sensor waiting time 260 ms max. (inputs cannot be received during sensor wait time if controloutputs are turned OFF) Timer functionAccuracy of operating time and setting error (including temperature and voltage effects) Signal start: ±0.03% ±30 ms max. Power-ON start: ±0.03% ±50 ms max. Ambient temperature Operating storage –10 to 55°C (with no icing or condensation) –25 to 65°C (with no icing or condensation) Case color Rear section: Grey smoke front section: N1.5 (black) Degree of protectionPanel surface: IP66 and NEMA Type 4X (indoors) rear case: IP20, terminal block: IP20 Size in mm (H×W×D)24×48×83 571
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