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5.2.2 Electric connection, brake
actuation times
1) Brake size B140 may only be operated up to a brake torque of 37 Nm.
2) For ZBF travel motors fitted with the B003 as standard, the B007 is used for the manual brake release and/or brake monitoring options.
3) Definition: The brake release time is the period which elapses until the full motor acceleration torque is attained.
Separate brake control with 24 V DC, temperature range: -20 °C to +60 °C
Size
B003
B007
B020
B050
1)
B140
Depending on the type of connection, the release and braking operation of B003
to B680 DC brakes can generally be characterised by the following values:
ZBA/ZBE/ZBP motor brake actuation times
Size
Release times [ms]
t
11
B003
75
B007
120
B020
130
B050
120
B140
–
B280
–
B680
–
ZBF motor brake actuation times
Size
Release times [ms]
t
11
B003
75
2)
B007
60
B020
60
B050
80
B140
110
The brake release and application times given are guide values for the maximum
brake torque. In the case of lower brake torques, these values may change,
particularly t
for switch-off in the AC circuit.
21
t
= brake release time with normal excitation (GE, GP, GF, GU)
11
t
= brake release time with high-speed excitation (GS)
12
t
= brake application time for switch-off in the AC circuit
21
t
= brake application time for switch-off in the DC circuit (contact, GU)
22
t
= brake application time for switch-off in the DC circuit (SE, VE, GF)
23
Brake release times may be reduced using GS high-speed excitation modules with
which a higher voltage is temporarily applied to the brake coil when the brake is
turned on and the magnetic field is built up more quickly. Brake sizes B140 to B680
are generally controlled using a GS rectifier on ZBA, ZBE and ZBP motors.
Brake application times are highly dependent on the way in which the brake is
connected.
Power consumption I / A
Application times [ms]
t
t
12
21
60
175
60
90
90
40
100
90
110
60
140
300
140
300
Application times [ms]
t
t
12
21
60
175
35
200
40
300
65
300
90
350
3)
0,98
0,90
1,19
1,75
1,73
t
t
22
23
55
75
30
40
20
30
30
60
30
40
90
130
150
190
t
t
22
23
55
75
30
40
50
60
60
70
100
100
3)
19
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