Fig. 3. Schematic diagram of the operating principle of the BISTABLE RELAY BR-11.
1. Reaction of the BR-11 RELAY to the TEST button. Tx impulse time <5 s.
3. Selecting the method of starting function I and function II. Impulse time T1> 10 s.
Red LED is on
Blue LED is on
t
t
t
t
t
t
t
t
S
S
TEST
MODE
TEST
MODE
TEST
MODE
T1
T1
T3
T5
T1
T3
T2
T2
T4
T6
T4
T < 2 s
T > 2 s
T > 2 s
T < 2 s
T > 2 s
T < 2 s
T < 2 s
T > 2 s
1s < TP < 60 min
1s < TP < 60 min
2. Selection of switch-off delay time ranges. Impulse time 5 s <T1 <10 s.
> Red LED - range 60 s
> Blue LED - range 6 min
> LED red and LED blue - range 60 min
t < 10 s
t < 10 s
t < 10 s
t < 10 s
t < 10 s
t < 10 s