Terminal symbol Terminal name Description
U Inverter output terminal Connect a three-phase motor.
V
W
P1 DC reactor connection terminal Remove the short-circuit bar between the terminals
P1 and P(+), and connect a DC reactor
.
P(+)
P(+) Braking resistor connection termi-
nal
Connect a braking resistor (if a braking torque is re-
quired).
DB
P(+) Regenerative braking unit con-
nection terminal
Connect regenerative braking units (if a braking tor-
que is required and that produced by the built-in
braking circuit is insuf
ficient).
N(-)
R0, T0 Control power supply auxiliary in-
put
T
o hold a batch alarm signal when the protection
function is activated even if the main power supply
of the inverter is cut off or to display the data dis-
play on the front of the inverter
, connect these ter-
minals to the power supply (at a capacity of 1.85
kW or more, for details, refer to 2-3-4 Wiring for
Main Circuit Terminals on page 2-15).
G
Ground terminal This is the ground terminal. Connect this terminal to
the ground.
200-V class should be connected under type-D
grounding conditions; 400-V class should be con-
nected under type-C grounding conditions.
2-3-3
Arrangement and Function of Control Circuit Terminal Block
The table below shows the arrangement of the control circuit terminal block, and description and spec-
ifications of each terminal.
Control Circuit Terminal Block
PTC +10 AI1 AIC DI1 DI2 DI3 DI4
D
O1 DOC DI5 DI6 DI7 DIC
ROA ROB ROC PIA PIB PIZ DIC +24 +24 SF1 SF2
P24 0
2 Design
2-12
M1 Series EtherCAT Type User’s Manual (I670)
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