YASKAWA SGD7S Product Manual page 123

• 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
Important
-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
When Using an Incremental Encoder or Batteryless Abso-
lute Encoder
Incremental encoder
or batteryless
absolute encoder
*2
*1
ENC
(Shell)
Shield
*1.
The encoder pin numbers for wiring the connector depend on the Servomotor that you use.
*2.
represents a shielded twisted-pair cable.
When Using an Absolute Linear Encoder
The wiring depends on the manufacturer of the linear encoder.
 Connections to Linear Encoder from Mitutoyo Corporation
Absolute linear encoder
from Mitutoyo Corporation
2
6
1
5
Connector
shell
Shield
*
represents a shielded twisted-pair cable.
Required Component Specifications
• Schottky Diode
Reverse Voltage: Vr ≥ 40 V
Forward Voltage: Vf ≤ 0.37 V
+
- Battery
Reverse current: Ir ≤ 5 μA
Junction temperature: Tj ≥ 125℃
SERVOPACK
CN2
PS 5
/PS 6
PG5V 1
PG0V 2
Connector
shell
SERVOPACK
CN2
*
5
PS
U
6 V
/PS
W
PG5V 1
PG0V 2
Connector
shell
4.4.3 Wiring the SERVOPACK to the Encoder
• Resistor
Resistance: 22
Tolerance: ±5% max.
Rated power: 0.25 W min.
U
V M
W
M
4.4 Wiring Servomotors
Ω
4-27
4