Spindle Encoder Interface - X3 (Spindle) - Siemens Sinumerik 801 Technical Manual

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2.3.3 Spindle encoder interface – X3 (SPINDLE)
General
Connectable encoder types
Characteristics
2-18
The spindle encoder interface (X3) of the SINUMERIK 801 is a 15-pin SUB-D
socket connector.
Table 2-5 Spindle encoder interface X3
Pin Signal Type
1 n.c.
2 n.c.
3 n.c.
4 P5_MS
5 n.c.
6 P5_MS
7 M
8 n.c.
Signal
A; A_N
B; B_N
Z; Z_N
P5_MS
M
Signal level:
Signal type
VO
I
Incremental 5 V encoders can be connected directly.
The encoders must meet the following requirements:
Transmission method: Differential transmission with 5 V square-wave signals
Output signals:
Max. output frequency: 1.5 MHz
Phase offset between
tracks A and B:
Current consumption:
Pin Signal
9 M
10 Z
11 Z_N
VO 12 B_N
13 B
VO 14 A_N
VO 15 A
Description
Channel A
Channel B
Zero Reference Mark
+5,2V Supply Voltage
Ground
RS422
Voltage output (supply)
5V input (5V signal)
Track A as true and negated signal (U
Track B as true and negated signal (U
Zero signal N as true and negated signal (U
90º ± 30º
max. 300 mA
Type
VO
I
I
I
I
I
I
, )
U
a1
a1
, )
U
a2
a 2
,
a0
SINUMERIK 801
Start-Up
)
U
a 0