3.8 Special Wiring
147
5) Connecting a Regenerative Unit (JUSP−RG08C type)
Single-phase
200-230 VAC or
100-115 VAC
Alarm
Regenerative unit
(JUSP−RG08C)
Servopack
Servomotor
Regenerative unit
(JUSP−RG08C)
External resistor
Shorting jumper (Remove when
external resistor is used.)
Regenerative unit
(JUSP−RG08C)
PN
Servo alarm
Servo alarm
Alarm
a) A regenerative unit has the following fault detection functions:
• Detecting disconnection in a regenerative resistor
• Detecting faults in a regenerative transistor
• Detecting overvoltage
b) When one of these fault detection functions operates, the internal alarm relay is actu-
ated. Then, the circuit between output terminals C1 and C2 is opened.
c) When an external resistor is used, remove the shorting jumper between Y4 and Y5.
Then, connect the resistor between P/Y3 and Y4.
d) The resistance value of the external resistor should be 50Ω min.
3
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