Siemens SINAMICS G Series User Manual

3 Function Principle of the Application Example
Drehzahlachse mit SINA_SPEED
Entry-ID: 109485727, V1.0, 06/2017
9
 Siemens AG 2017 All rights reserved
Control word (STW1) and status word (ZSW1)
The “SINA_SPEED” function block is used to cyclically control a SINAMICS G120
drive with the standard telegram 1.
Table 3-1: Transmission telegram to the drive
Address
Name
Content
PZD 1
STW1
Control word 1
PZD 2
NSOLL_A
Setpoint speed value
Table 3-2: Receive telegram from the drive
Address
Name
Content
PZD 1
ZSW1
Status word 1
PZD 2
NIST_A
Setpoint speed of the motor
The following bits in the control word or the status word are influenced or displayed
in this application example.
Table 3-3: Used bits from control word 1
Bit
Value
Meaning
Remark
0
0
OFF1
Motor brakes with deceleration ramp p1121, the motor is
switched off at standstill (f < f
min
)
1
ON
Upon positive edge, the converter switches to “Ready
for operation”. If "Bit 3" = 1, the converter switches on
the motor.
1
0
OFF2
Electrical supply of the motor is switched off. The motor
coasts.
1
No OFF2
-
2
0
Quick stop (OFF3)
Quick stop: The motor brakes with OFF3 deceleration
ramp p1135 until standstill.
1
No quick stop (OFF3)
-
3
0
Lock operation
Switch off motor
1
Enable operation
Motor ready for switch on
4
0
Lock ramp-function generator
Ramp-function generator output is set to 0 (quickest
possible brake operation)
1
Enable ramp-function
generator
Possible to enable ramp-up function generator
5
0
Stop ramp-function generator
The ramp-function generator output is “frozen”
1
Continue ramp-function
generator
The value of the ramp-function generator is updated
6
0
Lock setpoint
The motor brakes with deceleration ramp p1121
1
Enable setpoint
Motor can accelerate to the setpoint value with ramp-up
time p1120
7
0
No fault acknowledgement
Pending faults are not acknowledged
1
Acknowledge fault
Pending faults are acknowledged with a positive edge
10
0
No control by PLC
Process data invalid
1
Master control by PLC
Process data valid, master control via field bus
11
0
No inversion of direction
No inversion of the setpoint value
1
Inversion of direction
The setpoint value is inverted

Siemens SINAMICS G Series Specifications

General

Brand	Siemens
Model	SINAMICS G Series
Category	Controller
Language	English