Function diagram
87654321
fp_mc_470_e.vsd
Braking control
MASTERDRIVES MC
08.01.02
-470 -
V2.5
0
1
x
y
Limit val. monitor
1
T0
0
1
x
y
(K242 = Absolute current (500.7)
x
.01 (104) (B104="operation"[200.6]
.02 (1)
(KK091 = Act. speed value
from motor encoder)
x
y
"OFF command" from sequence control
(e.g. OFF1, 2 or 3=0) [180.7]
"Fault" from status word 1, bit 3 [200.6]
.01 (105) (B105 = no "operation" [200.7]
.02 (0)
.03 (0)
.04 (0)
[710.5] POWER ON
(to digital output)
<1>
Brake with checkback msg
(P605=2) [470.7]
Alarm A037 Brake cannot be closed
0
2
1
0
2
1
Alarm A036
Brake cannot be opened
T0
T0
<1>
Brake with checkback message P605.2 [470.7]
1
Limit value monitor
Machine magnetized
SET
(Q=1) Q
RESET
(Q=0) Q
Priority
1 RESET
2 SET
(e.g. from digital input)
<1>
Warning: If braking control is used, B0277 and B0278 must be connected up!
Example of connecting up the braking control:
P605=2 Brake with checkback message (NO contact switches if brake closes) [470.7]
P561=278 Inverter release from B0278 [180.3]
P564=277 Setpoint release from B0277 [180.3]
P654=275 Open brake via digital output 4 [90.6]
P613=20 Checkback "Brake Closed" from dig. input 6 [90.5], [470.4]
P612=21 Checkback "Brake Opened" from dig. input 6 [90.5], [470.5]
<1>
Sampling time for braking control
(factory setting: T7=128*T0
T
Delay
Pulse disabling and
brake [480.6]
Delay
<1> <2>
<2> Attention: If braking control is used, withdrawal of the inverter release B278
has to be effected prior
to the gating pulse block on sheet [480],
i.e. the following 2 conditions must be satisfied:
P801 > P617 + P607 and P800 < P616.
B
P608
"Brake open" command
B
B
P609
"Immediately
close brake"
command
B
B
B
B
P613 (0)
Checkback 1=Brake closed
K
P610 (242)
Criterion for "Brake open"
Src BrakeThresh1
B0281
BrakeThr1 over
B0282
BrakeThr2 under
B
P614 (0)
"Close holding brake" command"
B0275
Open Brake
B0276
Close Brake
B0280
Chkbk BrakeOp
B0278
Inverter release
from brake
B0277
Setp release from
brake
B0279
Chkbk BrakeCl
B
P612 (1)
Checkback msg
1=Brake open
(e.g. from dig. input)
K
P615 (91)
Criterion for
"Close holding brake"
Src BrakeThresh2
BrakeOpenTime
0.00 ... 10.00 s
P606 (0.20)
BrakeThresh2Time
0.00 ... 100.00 s
P617 (0.00)
BrakeCloseTime
0.00 ... 10.00 s
P607 (0.10)
BrakeThresh2
0.0 ... 200.0 %
P616 (0.5)
Brake Thresh1
0.0 ... 200.0 %
P611 (0.0)
U953.48 = ___(7)
"Braking control" operating mode
0 = No brake
1 = Brake without checkback
2 = Brake with checkback
P605 (0)
To Next Page
Loading...
