User Manual 08/2003 Edition

02.99 05.03
Siemens AG 2003 All rights reserved
SIMODRIVE POSMO A User Manual (POS1) – 08.03 Edition
4.2 Process data (PZD area)
Table 4-7 Description of the individual signals in the control word (STW) n-set mode, continued
Bit Signal name
Signal status, signal description
3
4
Enable operation /
inhibit operation
1 Enable operation
Ready
0 Inhibit operation
Power disconnected from the motor, motor coasts down,
”operation inhibited” status
1 Enable ramp–function generator
The motor accelerates to the speed setpoint along the parameterized
ramp
Ramp–function generator
enable 0 Standstill
The motor does not accelerate up to its speed setpoint
During motion,
motor brakes with the maximum deceleration
Ramp–function generator
5 start/ramp–function
generator stop
6
Enable setpoint /
inhibit setpoint
7 Reset fault memory
8, 9 Reserved
10 Control from PLC requested
11
to
14
15
Reserved
Open holding brake /
brake sequence control
effective
(from SW 1.4)
1 Motor accelerates corresponding to the parameterized ramp
0 The speed is kept at the actual value
0/1 Setpoint enable (acceleration along the ramp)
1/0 Setpoint inhibit
No ramp–up at standstill
During motion,
motor brakes along the ramp
1 Acknowledge faults (0/1 edge)
Refer to Chapter 6.2
0 –
1 Not used or permanent 1 signal
0 –
1 Open holding brake
The integrated holding brake can be controlled using this
signal.
The signal corresponds to P56.4 (open holding brake).
Note:
If the holding brake is controlled using an input terminal with
function number 26 (open holding brake), then this signal
has no effect.
––> Refer to Chapter 5.5.13
0 Brake sequence control effective
4 Communications via PROFIBUS DP
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