(2) Absolute Encoders
Absolute encoder
∗1
ENC
(Shell)
∗1. The pin numbers for the connector wiring differ depending on the servomotors.
∗2.
: represents twisted-pair wires.
∗3. When using an absolute encoder, install a battery in a battery case (JZSP-BA01)
of encoder cable, or install a battery on the host controller side to supply power.
∗4. Applicable line receiver: SN75ALS175 manufactured by Texas Instruments or MC3486, or the equivalent.
3.5.2 CN2 Encoder Connector Terminal Layout
1
PG 5 V
3
BAT (+)
5
PS
SHELL Shield
SERVOPACK
Phase A
Phase B
∗2
CN2
Light blue
Phase C
5
PS
White/
6
/PS
light blue
Output line-driver SN75ALS174
or the equivalent.
PG5V
Red
1
Black
2
PG0V
BAT(+)
3
Orange
BAT(-)
4
White/
orange
Connector
shell
Shield wire
Encoder power supply
+5 V
Battery (+)
(For an absolute encoder)
Serial encoder signal input (+)
-
3.5 Examples of Encoder Connection
∗2
CN1
33
PAO
34
/PAO
R
35
PBO
36
/PBO
R
19
PCO
20
/PCO
R
CN1
SEN
4
2
SG
1
SG
CN1
21
BAT
+
-
22
BAT
R (terminal resistance): 220 to 470 Ω
Connector
C (Decoupling Capacitor) 0.1 μF
shell
Encoder power supply
2
PG 0 V
0 V
Battery (-)
4
BAT (-)
(For an absolute encoder)
6
/PS
Serial encoder signal input (-)
Host controller
∗4
Line receiver
2
3
Phase
A
1
6
5
Phase
B
7
10
11
Phase
9
C
8
16
C
+5V
0V
Choke
coil
+5V
+5V
+
-
0V
Smoothing
capacitor
∗3
+
Battery
-
3
3-37
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