Yaskawa R1000 Series Power Regenerative Unit - Manual (Page 66)

66 YASKAWA ELECTRIC TOEP C710656 08B YASKAWA Power Regenerative Unit - R1000 Instruction Manual
3.11 Wiring Checklist
3.11 Wiring Checklist
No. Item Page
Regenerative Unit, Peripherals, Option Cards
1 Check regenerative unit model number to ensure receipt of correct model. 19
2 Make sure you have the correct peripheral devices. –
3 Check the option card model number. –
Installation Area and Physical Setup
4 Ensure that the area surrounding the regenerative unit complies with specifications. 25
Power Supply Voltage, Output Voltage
5
The voltage from the power supply should be within the input voltage specification range of the
regenerative unit.
–
6 The total load must be within the output specifications of the regenerative unit. 20
7
A power supply with a capacity (kVA) that is larger than the rated input capacity of the regenerative
unit must be used.
–
8 The ratings must be correct. 20
Main Circuit Wiring
9 Confirm proper branch circuit protection as specified by national and local codes. –
10 Properly wire the regenerative unit. 41
11 Suitable wires must be used to wire the power supply and regenerative unit. 50
12 Properly ground the regenerative unit. Review page 55 . 55
13
Tighten control circuit and grounding terminal screws.
Refer to
Wire Gauges and Tightening Torque on page 50
50
Control Circuit Wiring
14 Use twisted-pair line for all regenerative unit control circuit wiring. 61
15 Ground the shields of shielded wiring to the GND terminal. 39
16 Properly wire any option cards. –
17 Check for any other wiring mistakes. Only use a multimeter to check wiring. –
18
Properly fasten regenerative unit control circuit terminal screws. Refer to Wire Size and Torque
Specifications on page 60 .
60
19 Pick up all wire clippings. –
20 Ensure that no frayed wires on the terminal block are touching other terminals or connections. –
21 Properly separate control circuit wiring and main circuit wiring. –
22
The line between the input-side AC reactor and regenerative unit must be 10 m or shorter and the DC
bus line between the regenerative unit and drive must be 5 m or shorter.
–
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