7PV datasheet(45/114 Pages) ETC2

45 / 114 page

3RP, 7PV Timing Relays

7/45

Siemens LV 1 T · 2006

General data

■Function

3RP15/3RP20/7PV function table

1) Note on function with start contact: A new control signal at terminal B,

after the operating time has started, resets the operating time to zero. This

does not apply to G, G! and H, H!, which are not retriggerable.

2) This function is indicated on the unit with the identification letter C.

3) For the flashing function, the start between interval D and pulse Di is

selectable.

4) This function is indicated on the unit with the identification letter H.

5) This function is indicated on the unit with the identification letter B.

Function

Function chart

3RP20 timing re-

lay and 3RP19 01

label set

3RP15 timing relay and

3RP19 01 label set

7PV timing

relay

Timing relay energized

Contact closed

Contact open

1 CO contact

ON-delay

OFF-delay

with auxiliary voltage

B1)

72)

OFF-delay

without auxiliary voltage

ON-delay and

OFF-delay with

auxiliary voltage

(t = ton = toff)

C1)

Flashing,

starting with interval

(pulse/interval 1:1)

73)

Clock-pulse,

starting with interval

(dead interval, pulse time, and

time setting ranges each

separately adjustable)

Passing make contact

74)

Passing break contact

with auxiliary voltage

F1)

Pulse-forming with

auxiliary voltage

(pulse generation

at the output does not depend

on duration of energizing)

G1)

75)

Additive ON-delay

with auxiliary voltage

H1)

1 NO contact (semiconductor)

ON-delay

The two-wire timing relay is connec-

ted in series with the load. Timing

begins after application of the excit-

ing voltage. The semiconductor

output then becomes conducting,

and the load is energized.

15/16

A1/A2

15/18

A1/A2

15/18

15/16

35 ms

B1/A2

15/16

A1/A2

200 ms

15/18

15/16

A1/A2

15/18

B1/A2

15/16

A1/A2

15/18

15/16

A1/A2

15/18

Interval

Pulse period

A1/A2

15/18

15/16

35 ms

A1/A2

15/18

15/16

B1/A2

A1/A2

15/18

15/16

B1/A2

35 ms

A1/A2

15/18

15/16

B1/A2

A1/A2

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