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Electrical installation
4.9 Additional connections
Note
Only connect one encoder system
Only one encoder system may be connected to the encoder module, either at X520 or at
X521/X531. The corresponding unused interface must not be used.
Table 4- 59
Specification of measuring systems that can be connected
Parameter
High signal level
(TTL bipolar at X520 or X521/X531)
Low signal level
(TTL bipolar to X520 or X521/X531)
High signal level
(HTL unipolar)
Low signal level
(HTL unipolar)
High signal level
(HTL bipolar)
2)
Low signal level
(HTL bipolar)
2)
High signal level
(SSI bipolar at X520 or X521/X531)
Low signal level
(SSI bipolar at X520 or X521/X531)
Signal frequency
Edge spacing
Zero pulse inactive time
(before and after A=B=high)
Zero pulse active time
(while A=B=high and beyond)
Other signal levels according to the RS 422 standard.
1)
The absolute level of the individual signals varies between 0 V and V
2)
t
is not a specified value, but is the time between the falling edge of track A and the next but one rising edge of
3)
ALo-BHi
track B.
The threshold can be set via p0405.04 (switching threshold); the setting on delivery is "Low."
4)
164
Designation
U
Hdiff
1)
U
Ldiff
1)
U
H 4)
U
L 4)
U
Hdiff
U
Ldiff
U
Hdiff
1)
U
Ldiff
1)
f
S
t
min
t
Lo
t
Hi
Threshold
Min.
4)
2
-5
High
17
Low
10
High
0
Low
0
3
-V
CC
2
-5
-
100
640
640
of the measuring system.
CC
Operating Instructions, 11/2017, A5E36652151A
Max.
Unit
5
V
-2
V
V
V
CC
V
V
CC
7
V
2
V
V
V
CC
-3
V
5
V
-2
V
300
kHz
-
ns
(t
- t
)/2
ns
3)
ALo-BHi
Hi
t
- 2 x t
ns
3)
ALo-BHi
Lo
Converter cabinet units
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