3.5 Presenting the Required Specifications to the Resistor Manufacturer
3-15
3
Selecting a Dynamic Brake Resistor
3.5
Presenting the Required Specifications to the Resistor Manufacturer
Provide the following information to the manufacturer of your resistors and select a dynamic
brake resistor that is appropriate for the required specifications.
Required Information for Resistor Selection
Reference
Resistance [Ω]
3.3 Determining the Resistance of the Dynamic
Resistor energy consumption for one operation of the
dynamic brake [J]
3.4 Calculating the Energy Consumption of the
Number of dynamic brake operations (estimated number of
emergency stops required during the product life of your
system)
−
Wire sizes and crimped terminals
Note: The applicable wire sizes depend on the SERVOPACK
model.
4.2.1 Terminal Symbols and Terminal Names
4.2.2 Wire Sizes and Tightening Torques
Resistor Selection Example for a Dynamic Brake That Operates 1,000 Times
Refer to the following manual for the external dimensions of the dynamic brake resistor and
other parts in the selection example.
Σ
-7-Series Peripheral Device Selection Manual (Manual No.: SIEP S800001 32)
Example
Resistor Energy
Consumption
Model
Inquiries
Manufacturer
1,000 J max.
RH120 Series
Yaskawa representative
Iwaki Musen Kenkyusho Co., Ltd.
2,000 J max.
RH220 Series
10,000 J max.
RH500 Series