Peripherals/Accessories - Siemens Sinumerik 840D Series Function Manual

Peripherals/Accessories

7.1 Measuring systems
7.1.1 Encoders, linear scales
Encoder
specification
 Siemens AG, 2003. All rights reserved
SINUMERIK 840D/SIMODRIVE 611 digital, HLA Module (FBHLA) - 10.03 Edition
Note
For connector assignments, see Subsection 5.1.1.
The HLA module is designed to evaluate
S
Incremental measuring systems with sinusoidal signals (A, B) and a
reference signal (R)
Or
S
Absolute measuring systems with sinusoidal signals (A, B) and EnDat
interface for absolute position sensing
with the following signal limit data:
Signal
voltages
0
Signal
voltages
0
Signal
voltages
Differential signal (R - *R)
0
Fig. 7-1 Required signal chart of measuring system signals for data definition
7
Track signal A
U
M(A)
Track signal *A
Mech. angle ϕ
Differential signal (A - *A)
Track signal B
U
M(B)
Track signal *B
Mech. angle ϕ
Differential signal (B - *B)
Track signal R
U
M(R)
Track signal *R
Mech. angle ϕ
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