5 noise filter, 6 surge suppressor, 7 variable resistor for speed and torque setting – Yaskawa Sigma II Series DC Power Input SGMAJ User Manual
Page 118: 25hp-10b, 1) surge suppressor for magnetic contactor, 1) model

5.6 Peripheral Devices
5-21
5
5.6.5 Noise Filter
The noise filters manufactured by Okaya Electric Industries Co., Ltd. are recommended. Contact Yaskawa Con-
trols Co., Ltd.
Select one of the following noise filters according to SERVOPACK capacity. For more details, refer to 2.5.4
Noise Filters, Surge Suppressors, Magnetic Conductors, and Brake Power Supply.
Refer to 6.1.3 Typical Main Circuit Wiring Examples for the connection method.
5.6.6 Surge Suppressor
(1) Surge Suppressor for Magnetic Contactor
Contact Okaya Electric Industries Co., Ltd.
When using a servomotor with holding brake, install a surge suppressor near the brake coil.
(a) Model: CR50500BL
(b) Specifications
5.6.7 Variable Resistor for Speed and Torque Setting
(1) Model
: 25HP-10B
The multiturn type winding variable resistors with dial MD10-30B4 are manufactured by Sakae Tsushin Kogyo
Co., Ltd. Contact Yaskawa Controls Co., Ltd.
(2) Dimensional Drawings
(3) Example of Connection to an External Power Supply
Power supply: 250 VAC
Capacitance: 0.5
µF ± 20%
Resistance: 50
Ω(1/2 W) ± 30%
MD multi-dial
25 HP Helicolumn
(Panel driling diagram)
Panel
11.5
±1 (0.45±0.04)
37.5
±1 (1.48±0.04)
24
±1
(0.94
±0.04)
14.5
±1
(0.57
±0.04)
φ25
±1 (
φ0.98
±0.04)
φ31
±1
(φ
1.22
±0.04)
21 (0.83) max.
2
3
1
4.5 (0.18)
φ2.5
(
φ0.10)
hole
φ7.5 (φ0.30) hole
10 (0.39)
Units: mm (in)
12V
1.8 k
Ω (1/2 W) min.
25HP-10B
2 k
Ω
3
1
2
SERVOPACK
3
4
(1)
(2)
CN1
V-REF
(T-REF)
SG