Peripherals/Accessories - Siemens SINUMERIK 840D Description Of Functions

Peripherals/Accessories

7.1 Measuring systems
7.1.1 Encoders, linear scales
Encoder
specification
 Siemens AG 2000. All rights reserved
SINUMERIK 840D/SIMODRIVE 611 digital Descr. of Functions HLA Module (FBHLA) – 04.00 Edition
Note
For connector assignments, see Section 5.1.1.
The HLA module is designed to evaluate
S
incremental measuring system with sinusoidal signals (A, B) and a refer-
ence signal (R)
or
S
absolute measuring system with sinusoidal signals (A, B) and EnDat inter-
face for absolute position sensing
with the following signal limit data:
Signal
volt-
ages
0
Signal
volt-
ages
0
Signal
volt-
ages
Differential signal (R – *R)
0
Fig. 7-1 Required waveform 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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