3
05.01
3.6 High–resolution position (HGL)
3-75
Siemens AG 2001 All rights reserved
SIMODRIVE 611 Planning Guide (PJU) – 05.01 Edition
3.6 High–resolution position (HGL)
3.6.1 Features and technical data
HGL is an optional hardware expansion for SIMODRIVE 611 for C axis
operation.
HGL allows the toothed–wheel encoder to be independently used as spindle
encoder for conventional spindle drives.
The analog sinusoidal signals of the toothed–wheel encoder are fed to the con-
verter motor encoder connector for the closed–loop speed control.
The encoder signals are multiplied and converted into square–wave signals for
the higher–level closed–loop position control. These are fed to the numerical
control, once for spindle operation and once for C–axis operation.
Various multiplication factors can be selected using a rotary switch. In addition,
the phase sequence of the square–wave signals can be defined using the ro-
tary switch. This allows the direction of rotation of the encoder to be adapted to
the motor direction of rotation.
Note
When configuring SIMODRIVE 611 analog:
Assessment factor for the electronics: EP = 2
Assessment factor for control: AP = 0
SIMODRIVE 611 analog: 6SN1115–0AA11–0AA0 (module).
The Instruction Manual is included with the equipment.
Output signals resolution
Set via rotary switch S1:
Table 3-6 Resolution
Number of
teeth
C–axis track Standard track Standard en-
coder phase
position
Inverted
encoder phase
sequence
512
512
512
512
90 000
90 000
90 000
90 000
512
1 024
2 048
4 096
0
1
2
3
8
9
A
B
512
512
512
512
180 000
180 000
180 000
180 000
512
1 024
2 048
4 096
4
5
6
7
C
D
E
F
256
256
256
256
45 000
45 000
45 000
45 000
256
512
1 024
2 048
0
1
2
3
8
9
A
B
256
256
256
256
90 000
90 000
90 000
90 000
256
512
1 024
2 048
4
5
6
7
C
D
E
F
Applications
Mode of operation
Order
designation
Technical data
3 Motor Selection, Position/Speed Sensing
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