MICROPROCESSOR TIMER

336 steps (including on/off, 2 sleep functions and enable/disable) may be stored in memory. The sleep times may be programmed independently from 1 second to 99’99”. In addition, memory is protected against accidental deletion, and can be internally protected. The kit comes complete with housing, keyboard and relays (transformer, not included). Specifications Flat keyboard with key beep and visual LED control C-MOS memory for 336 functions (560 without date) Memory backup with Ni-Cd batteries, protected memory and clock for several months 4 relay outputs: 3A / 240V Power supply: 8VAC / 1A or 12VDC / 1A non-regulated Dimensions: 242 x 116 x 59mm (9.5″ x 4.6″ x 2.3″) Extras Hints When due to low mains voltage the timer goes in reset, change ZD1 6V8 by a 5V2 type. To eliminate noise problems coming from RY4, put a 100nF capacitor between the points 15 and 16 of IC2.