1. GENERAL PROVISIONS 1.1. BASIC FUNCTIONS - microprocessor controlled. - simple change-over between sequential and combination timer. - 7-segment LED indications. - selectable 3 time ranges (SEC:MSEC, MIN:SEC, HRS:MIN) - cascade connection of several devices for extended total number of channels. - memorization of program and device mode after switching off and program operation restart from point of stoppage.
Characteristics of output channels Maximum current at Maximum current at сos ϕ Maximum capacity U~250V Uconst=24V 10 A 2500 VA 10 A 1000 VA Commutation resource of output contacts: - mechanical resource - electric resource 10A 250V AC, times, minimum 100 000 - electric resource 10A 24V DC, times, minimum 30 000...
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4. S1/S2 Inputs of timer start for program execution. For start of program processing inputs S1 and S2 should be closed for 150 milliseconds. Switch RUN/PROG should be in position RUN. 5. C1/C2 Inputs of looping execution of program. If inputs C1 and C2 are closed, the program is executed only one time.
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14. SEQ/COMB Selection of timer principle of operation: sequential or combination. 15. Buttons for selection of position and setting of values on Time indicator 16. 16. Time Indicator. 17. Indicator displaying closed/open mode of channel contacts. 18. Indicator of selected time range (see Table1.2). 19.
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II. Sequential timer, cycling mode (inputs C1 and C2 are not shorted): Diagram 1.2.
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III. Combination timer, mode of execution of one cycle of program (inputs C1 and C2 are shorted): Diagram 1.3. Where, for example, R2C5 means the fifth combination of the second channel (relay).
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IV. Combination timer, cycle mode (inputs C1 and C2 are not shorted): Diagram 1.4.
2. SETTING AND OPERATION 2.1. CONNECTION The Figure 2.1 represents the typical method of timer connection. Load is connected to output of channel RLY10 as an example. Figure 2.1. Typical method of timer connection.
The Figure 2.2 represents the method of cascade connection of three timers. Please, pay attention that inputs C1 and С2 are shorted. Figure 2.2. Cascade connection of timers. Method of cascade connection of timers with possibility of cycle work (upon completion of operation of last timer the first one starts operating) is represented at Figure 2.3: Figure 2.3.
2.3. TIMER PROGRAMMING 2.3.1. SEQUENTIAL TIMER PROGRAMMING 1. Fix switch RUN/PROG in position PROG. 2. For sequential timer selection fix switch SEQ/COMB in position SEQ. Supply power to inputs A1 and A2. 3. Using the button RELAY select the channel 1. 4.
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