5 Specifications and Dimensional Drawings of Cables and Peripheral Devices
5.8.6 External Regenerative Resistor
5-66
The external regenerative resistor must be purchased by customers. Refer to the table below for selecting an
external regenerative resistor. Refer to 6.5 Connecting Regenerative Resistors for the connection.
(1) References for External Regenerative Resistor
(2) Model Designation
(3) Specifications
Regenerative
Resistor Model
Specifications Manufacturer
RH120 70 W, 1 to 100 Ω
Iwaki Wireless
Research Institute.
RH150 90 W, 1 to 100 Ω
RH220 120 W, 1 to 100 Ω
RH300C 200 W, 1 to 10 kΩ
RH500 300 W, 1 to 30 Ω
RH120 10Ω J
Model Resistance Tolerance
Resistance
Code
K
J
H
±10%
±5%
±3%
Specifications
Resistance Tolerance K: ± 10%, J: ± 5%, H: ± 3%
Temperature Resistance
Characteristics
± 400 PPM / °C (less than 20Ω) , ± 260 PPM / °C (20Ω or more)
Withstand Voltage
2000 VAC/min.
ΔR: ± (0.1% + 0.05Ω)
Insulation Resistance 500 VDC, 20 MΩ or more
Short-time Overload
When 10 times of rated power is applied for five seconds,
ΔR: ±(2% + 0.05Ω)
Life
1000 hours of repeating the operation ON for 90 minutes and OFF for 30 min-
utes, ΔR: ±(5% + 0.05Ω)
Heat Resistance Not ignite after having applied 10 times of rated electric power for one minute
Surrounding Air Temperature -25 to 150°C
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