2-6
2-2 Wiring
SYSDRIVE MX2 Series USER'S MANUAL (3G3MX2-Axxxx)
   2
Design
2-2 Wiring
Connection Diagram
Single-phase
3-phase 
power 
supply
Shorting 
bar
Shorting bar
Motor
ELB
MC
R/L1
S/L2
T/L3
24VDC
MC
S7/EB
S5/TH
S4/GS2
S3/GS1
S2
S1
FS
FV
FI
RP
AM
MP
RS−
RS+
PC
P1/EDM
P2
MB
MA
N/−
SC
S6
P24P24
DC reactor
PSC
SC
If any external source-logic 
output equipment or power 
supply is used, refer to 
"Connection to 
Programmable Controllers 
(PLC)" on page 2-22. 
Multi-function 
input 
(7 contact 
points)
Multi-function output 
(2 terminals)
Multi-function 
relay output
Braking Resistor*1
*1 Option
2 kΩ or more
10 VDC power 
supply (7 mA Max.)
Analog voltage input 
0 to 10 V (10 bits)
Analog voltage 
output 0 to 10 V 
(10 bits)
Class D (200 V class)
Class C (400 V class)
Analog current input 
4 to 20 mA (10 bits)
Pulse input 
5 to 24 VDC 
(32 kHz Max.)
Pulse output 
0 to 10 VDC 
(32 kHz Max.)
Serial communication port
(RS-485/Modbus-RTU)
RB
P/+2
+1
W/T3
V/T2
U/T1
M
To connect the DC 
reactor, remove 
the shorting bar. 
RB
N/
−
P/+2
Regenerative 
Braking Unit*1
P
RB
Braking Resistor*1
When using a Regenerative Braking Unit
P
N
Note 1: Connect a single-phase 200 V AC input to terminals L1 and N.
Note 2: Factory default settings for relay output are NC contact for MA and NO contact for MB.