HEIDENHAIN PWM 20 User Manual
Page 28
Operating Instructions
en
PWM 20
30
Test limits 1 V
PP
Measuring range for all input frequencies: 1.54 V
PP
.
The extended measuring range 2 (9.6 V
PP
) has increased
tolerances. On some specific encoders (e.g. with 3 V
PP
interface), measuring range 2 is set automatically by the
ATS software.
Parameters
Input frequency in kHz
< 1
1 to 250
250 to 500
Signal amplitude
(A, B, R)
±2 %
±3 %
±4 %
Asymmetry
±0.002
±0.006
–
Signal amplitude
ratio
±0.5 %
±0.5 %
–
On-off ratio error
TV1 or TV2
±0.5°
±1°
±1.5°
Phase angle error
±0.5°
±1°
±1.5°
Reference pulse
width
±2°
–
–
Reference pulse
position
±2°
–
–
Test limits 11 µA
PP
Measuring range for all input frequencies: 15.4 µA
PP
The extended measuring range 2 (96 µA
PP
has increased
tolerances. On some specific encoders (e.g. with 25 µA
PP
interface), measuring range 2 is set automatically by the
ATS software.
Parameters
Input frequency in kHz
< 1
1 to 300
Signal amplitude (A, B, R)
±3 %
±5 %
Asymmetry
±0.006
±0.006
Signal amplitude ratio
±2 %
±2 %
On-off ratio error TV1 or TV2
±1.5°
±1.5°
Phase angle error
±0.5°
±1.0°
Reference pulse width
±6.0°
–
Reference pulse position
±3.0°
–
Test limits TTL
Measuring range for all input frequencies: 5 V
Parameters
Input frequency in kHz
< 100
100 to 500 500 to 1000
Signal amplitude
1
Low level
High level
±0.05 V
±2 %
–
–
On-off ratio error
TV1 or TV2
±0.5°
±1.5°
±2.5°
Phase angle error
±0.5°
±1.5°
±2.5°
Reference pulse
width
±0.5°
±1.5°
±2.5°
Reference pulse
position
±0.5°
±1.5°
±2.5°
1
Signal amplitude (U
a1
, U
a1
, U
a2
, U
a2
, U
a0
, U
a0
, U
aS
)
Test limits HTL
Measuring range for all input frequencies: 10 V to 30 V.
Parameters
Input frequency in kHz
< 100
100 to 500
Signal amplitude
1
Low level
High level
±0.1 V
±3 %
–
On-off ratio error
TV1 or TV2
±0.5°
±1.5°
Phase angle error
±1.5°
±4°
Reference pulse
width
±1.5°
±2.5°
Reference pulse
position
±1.5°
±2.5°
1
HTL only for service purposes via external signal adapter, ID
1093210-01
Ambient conditions
Operating
temperature
0 °C to 45 °C, no condensation
Storage
temperature
0 °C to 70 °C, no condensation
Max. contaminati-
on level
II
Protection
EN 60529
IP 20
Dimensions
See dimension drawings "D".
All dimensions are in millimeters [mm].