Standard Connection Diagram And Setting The Absolute Data Request Signal (Sen) - YASKAWA SGMJV User Manual
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5 Operation
5.9.2 Standard Connection Diagram and Setting the Absolute Data Request Signal (SEN)
5.9.2 Standard Connection Diagram and Setting the Absolute Data Request Signal
(SEN)
A standard connection example for a servomotor with an absolute encoder, the SERVOPACK, and host con-
troller is shown below.
The absolute data request signal (SEN) must be input for the SERVOPACK to output absolute data. For
details, refer to (2) Setting the Absolute Data Request Signal (SEN).
(1) Standard Connection Diagram
The following diagram shows the standard connections for an absolute encoder.
7406
Applicable line receiver:
Texas Instruments's SN75ALS175 or MC3486
Terminating resistance R: 220 to 470 Ω
Note: The connection cable models and wiring pin numbers depend on the servomotor.
(2) Setting the Absolute Data Request Signal (SEN)
Type
Input
For the details of the absolute data reception sequence, refer to 5.9.6 Absolute Encoder Reception Sequence.
5-66
Host controller
+5V
SEN
SG
0V
Line receiver
PAO
R
/PAO
Phase A
PBO
R
/PBO
Phase B
PCO
R
/PCO
Phase C
SG
0V
• Maintain the high level for at least 1.3 seconds when the SEN signal is turned OFF
and then ON, as shown in the figure below.
SEN signal
OFF
ON (high level)
• SEN Signal cannot be received during Servo ON.
Connector
Signal Name
Pin Number
SEN
CN1-4
SERVOPACK
CN2
CN1
∗
PG5V
4
1
PG0V
2
2
BA
T (+)
3
BAT ( -
33
4
34
PS
5
35
/PS
6
36
Connector
shell
19
20
1
∗
Note: Set the SEN signal to low level when the main
circuit power to the SERVOPACK is turned OFF.
OFF
ON
1.3 s min.
15 ms min.
Setting
OFF (low level)
ON (high level)
Encoder
∗
+
Battery
)
-
Shield (shell)
: Represents twisted-pair wires.
Meaning
Input when power is turned ON
Input at absolute data request
ENC
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