Siemens SLI-5310 Instruções de Operação Página 82

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Position values
The EnDat interface is a digital, bidirec-
tional interface for encoders. It is capable
both of transmitting position values as
well as transmitting or updating information
stored in the encoder, or saving new infor-
mation. Thanks to the serial transmission
method, only four signal lines are re-
quired. The DATA data is transmitted in
synchronism with the CLOCK signal from
the subsequent electronics. The type of
transmission (position values, parameters,
diagnostics, etc.) is selected through mode
commands that the subsequent electron-
ics send to the encoder. Some functions
are available only with EnDat 2.2 mode
commands.
Ordering designation Command set Incremental signals
EnDat01
EnDat 2.1 or
EnDat 2.2
With
EnDat21 Without
EnDat02 EnDat 2.2 With
EnDat22
EnDat 2.2 Without
Versions of the EnDat interface
Absolute encoder Subsequent
electronics
1 V
PP
A*)
1 V
PP
B*)
Operating
parameters
Operating
status
Parameters of
the OEM
Parameters of the encoder
manufacturer for
EnDat 2.1 EnDat 2.2
*) Depends on
encoder
Absolute
position value
EnDat interface
Incremental
signals *)
Comprehensive descriptions of all
available interfaces as well as general
electrical information is included in the
Interfaces for HEIDENHAIN Encoders
brochure, ID 1078628-xx.
Pin layout
17-pin
coupling or
ange socket
M23
12-pin
PCB connector
15-pin
PCB connector
Power supply Incremental signals
1)
Position values
7 1 10 4 11151612131417 8 9
1b 6a 4b 3a / 2a 5b 4a 3b 6b 1a 2b 5a
13 11 14 12 / 1 2 3 4 7 8 9 10
U
P
Sensor
U
P
0 V Sensor
0 V
Internal
shield
A+ A– B+ B– DATA DATA CLOCK CLOCK
Brown/
Green
Blue White/
Green
White / Green/
Black
Yellow/
Black
Blue/
Black
Red/
Black
Gray Pink Violet Yellow
Other signals Cable shield connected to housing; U
P
= power supply voltage; T = Temperature
Sensor: The sensor line is connected in the encoder with the corresponding power line.
Vacant pins or wires must not be used!
1)
Only with ordering designations EnDat 01 and EnDat 02
2)
Only with output cables inside the motor
56
//
//
T+
2)
T–
2)
Brown
2)
White
2)
Antriebsgeber_en_2013.indd 82 12.11.2013 06:56:15
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