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MDS-E/EH Series Instruction Manual
2 Wiring and Connection
2.2 Main Circuit Terminal Block/Control Circuit Connector
2.2.1 Names and Applications of Main Circuit Terminal Block Signals and Control Circuit
Connectors
The following table shows the details for each terminal block signal.
Name
Signal name
Main circuit power
L1, L2, L3
supply
Control circuit
L11, L21
power supply
MC1, MC2
Contactor control
Motor output
LU, LV, LW
(Single-axis unit)
LU, LV, LW
Motor output
MU, MV, MW
(Dual-axis unit)
LU, LV, LW
Motor output
MU, MV, MW
(Triple-axis unit)
SU, SV, SW
Protective
grounding (PE)
CAUTION
1. Always use one AC reactor per power supply unit. Failure to observe this lead to unit damage.
2. When sharing a circuit protector for several power supply units, of a short-circuit fault occurs in a small capacity unit, the
circuit protector could trip. This can be hazardous, so do not share the circuit protector.
3. Be sure to use the circuit protector of proper capacity for each unit.
IB-1501229-F
Main circuit power supply input terminal
For MDS-E : Connect a 3-phase 200 to 240VAC (50Hz/60Hz) power supply.
For MDS-EH : Connect a 3-phase 380 to 480VAC (50Hz/60Hz) power supply.
Control circuit power supply input terminal
For MDS-E : Connect a single-phase 200 to 240VAC (50Hz/60Hz) power supply.
For MDS-EH : Connect a single-phase 380 to 480VAC (50Hz/60Hz) power supply.
Contactor control terminal
Servo/spindle motor power output terminal
The servo/spindle motor power terminal (U, V, W) is connected.
Servo/spindle motor power output terminal (L-axis/M-axis)
The servo/spindle motor power terminal (U, V, W) is connected.
Servo motor power output terminal (L-axis/M-axis/S-axis)
The servo/spindle motor power terminal (U, V, W) is connected.
Grounding terminal
The servo motor/spindle motor grounding terminal is connected and grounded.
48
Description
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