Omron MX2 Series User Manual

2 Design
2 - 14
Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1)
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 speci-
fications of each terminal.
Short-circuit bar
(for sink logic)
Short-circuit bar
(for disabling
STO function)
Item
Terminal
symbol
Terminal
name
Description
Specifications
Analog
Power supply
L
Input signal
Common terminal for the internal
common
power supply, digital input, and
analog I/O terminals.
H
Frequency
This is 10 VDC power supply for
Allowable current:
reference
the terminal O.
10 mA max.
power
supply
Frequency set-
ting input
O
Frequency
reference
This is 0 to 10 VDC analog volt-
age input.
Input impedance:
Approx. 10 k
input (Ana-
By default, this is adjusted so
Allowable input volt-
log voltage
input)
that the frequency reaches the
maximum at 9.8 V. (Adjustable in
age range:
−0.3 to +12 VDC
A012/A014)
OI
Frequency
reference
This is 4 to 20 mA analog DC
input.
Input impedance:
Approx. 100 
input (Ana-
By default, this is adjusted so
Allowable input range:
log current
that the frequency reaches the
0 to 24 mA
input)
maximum at 19.8 mA. (Adjust-
able in A102/A104)
Sensor input
5
External
Set the Multi-function Input 5
PTC type
(TH)
thermistor
Selection (C005) to 19 (TH: PTC
input (Multi-
thermistor thermal protection) to
function
enable this terminal.
input termi-
Connect an external thermistor
nal used in
between this terminal and L,
common)
and the inverter will trip if a tem-
perature error occurs. (The
inverter trips when the resistance
of the thermistor is approximately
3 k or higher.)
Output
AM
Multi-func-
This terminal can output the
Allowable current:
tion analog
specified signal as a 0 to 10-VDC
2 mA max.
output
voltage signal.
(Voltage)
SP
SN
H
O
OI
L
EO
AM
CM2
12
11
AL2
AL1
AL0
GS1
CMS
GS2
EA
7
6
5
4
3
2
1
L
PLC
P24
P24S
Control Circuit Terminal Block

Omron MX2 Series Specifications

General

Cooling Method	Fan cooling
Output Frequency Range	0.1 to 400 Hz
Control Method	V/f control, Sensorless vector control
Protection Functions	Overcurrent, overvoltage, undervoltage, overload, overheating, short circuit
Communication Options	Modbus RTU
Overload Capacity	150% for 60 seconds
Braking Unit	Built-in
Ambient Operating Temperature	-10°C to +50°C
Enclosure	IP20
Storage Temperature	-20°C to +65°C
Humidity	5 to 95% RH (non-condensing)
Altitude	Up to 1000m
Power Supply Voltage	200-240V AC
Input Voltage	3-phase 200-240V AC