YASKAWA SGD7S-****20A Series Product Manual page 118

4.4 Wiring Servomotors
4.4.3 Wiring the SERVOPACK to the Encoder
Important
When Using an Incremental Encoder or Batteryless Abso-
lute Encoder
Incremental encoder
or batteryle
ab olute encoder
ENC
*1.
The encoder pin numbers for wiring the connector depend on the Servomotor that you use.
*2.
When Using an Absolute Linear Encoder
The wiring depends on the manufacturer of the linear encoder.
 Connections to Linear Encoder from Mitutoyo Corporation
Ab olute linear encoder
from Mitutoyo Corporation
*
4-28
• When Installing a Battery on the Encoder Cable
Use the Encoder Cable with a Battery Case that is specified by Yaskawa.
Refer to the following manual for details.
Σ
-7-Series Peripheral Device Selection Manual (Manual No.: SIEP S800001 32)
• When Installing a Battery on the Host Controller
Insert a diode near the battery to prevent reverse current flow.
Circuit Example
+
- Battery
*2
*1
P
/P
PG5V
PG0V
( hell)
hield
represents a shielded twisted-pair cable.
*
2 P
6 /P
1 PG5V
5 PG0V
Connector
hell
hield
represents a shielded twisted-pair cable.
Required Component Specifications
• Schottky Diode
Reverse Voltage: Vr ≥ 40 V
Forward Voltage: Vf ≤ 0.37 V
Reverse current: Ir ≤ 5 μA
Junction temperature: Tj ≥ 125℃
ERVOPACK
U
CN2
V
5
W
6
1
2
Connector
hell
ERVOPACK
CN2
5
U
6 V
W
1
2
Connector
hell
• Resistor
Ω
Resistance: 22
Tolerance: ±5% max.
Rated power: 0.25 W min.
M
M