2-10
2-2 Wiring
2
Design
Note 2: Connect securely to the ground as specified (type-D grounding for 200-V class, and
type-C grounding for 400-V class). Do not share the grounding electrode with other strong
electrical devices.
Wiring the Control Circuit Terminals and Relay Terminals
Inverter
Inverter
Inverter
Ground bolt
Inverter
Inverter
Inverter
Example of incorrect grounding Example of correct grounding
MB MA MC
Relay
output
AM
FS FV FI FC S5 S4 S3 S2 S1 SC
PSC
P24
PC
P1
Analog
monitor
output
Multi-function input
Multi-function
output
Short-circuit bar
Frequency
reference
input