VB230/400-6/25/30L (LP) 19
12.3 Permissible braking frequency
The braking frequency depends on the adjusted braking current.
The braking devices of the VB …-25 L (LP) type allow the following braking frequencies:
For intermediate values please refer to table 3.
Warning:
When setting up a machine or during commissioning, it is possible to carry
out 4 braking operations in succession, i.e., with rated device current and at
a braking time of 10s. After such operating conditions, however, the device
needs a recovery time of 15 minutes.
Braking current Braking time Braking frequency
VB ...-6 L 6A 5s
10s
1 braking operation per 8s
1 braking operation per 16s
VB ...-6 L 3A 5s
10s
1 braking operation per 5s
1 braking operation per 10s
VB ...-30 L 30 5s
10s
1 braking operation per 90s
1 braking operation per 180s
VB ...-25,30 L 25A 5s
10s
1 braking operation per 60s
1 braking operation per 120s
VB ...-25,30 L 20A 5s
10s
1 braking operation per 40s
1 braking operation per 80s
VB ...-25,30 L 15A 5s
10s
1 braking operation per 25s
1 braking operation per 50s
VB ...-25,30 L 10A 5s
10s
1 braking operation per 17s
1 braking operation per 35s
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