Incremental Encoders - Siemens 1FT7 Configuration Manual

Motor components
5.2 Encoder (option)
5.2.4

Incremental encoders

Function:
● Angular measuring system for the commutation
● Speed actual value sensing
● Indirect incremental measuring system for the position control loop
● One zero pulse (reference mark) per revolution
Table 5- 2 Technical data for incremental encoders
Properties
Mech. limiting speed
Operating voltage
Current consumption
A-B track: Incremental resolution
C-D track: Rotor/commutation position
Reference signal
Angular error
Figure 5-1
206
Incremental encoder, sin/cos 1 Vpp,
2,048 S/R with C and D track
(encoder IC2048S/R)
12000 RPM
5 V ± 5 %
150 mA, maximum
2,048 S/R (1 Vpp)
(sin/cos periods per revolution)
1 S/R (1 Vpp)
(sin/cos periods per revolution)
1 per revolution
± 40"
Signal sequence and assignment for encoder IC2048S/R when the
drive is rotating clockwise
Incremental encoder, 22-bit, with
commutation position
(encoder IC22DQ)
12000 RPM
24 V
180 mA, maximum
22 bit
11-bit
1 per revolution
± 40"
Configuration Manual, (PFT7S) 01/2009, 6SN1197-0AD13-0BP2
1FT7 Synchronous Motors