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NX-ID/IA/OD/OC/MD – DC Input/ Transistor Output Unit – Omron Digital Mixed I/O Units

$ 188.37$ 228.16

Digital Mixed I/O Units

Product
Name
Specification Model
Number
of
points
Internal I/O
common
Maximum
value of load
current
I/O
refreshing
method
ON/OFF
response
time
DC Input/
Transistor
Output Unit

(MIL Connector,
30 mm Width)

Outputs:
16 points
Inputs:
16 points
Outputs: NPN
Inputs: For both
NPN/PNP
Outputs:
12 to 24 VDC
Inputs: 24 VDCV
Switching
Synchronous
I/O refreshing
and Free-Run
refreshing
Outputs: 0.1 ms max./
0.8 ms max.
Inputs: 20 μs max./
400 μs max.
NX-MD6121-5
Outputs: PNP
Inputs: For both
NPN/PNP
Outputs:
24 VDC
Inputs: 24 VDC
Outputs: 0.5 ms max./
1.0 ms max.
Inputs: 20 μs max./
400 μs max.
NX-MD6256-5
Transistor
Output Unit

(Fujitsu/OTAX
Connector,
30 mm Width)

Outputs:
16
points
Inputs:
16
points
Outputs: NPN
Inputs: For both
NPN/PNP
Outputs:
12 to 24 VDC
Inputs: 24 VDC
Switching
Synchronous
I/O refreshing
and Free-Run
refreshing
Outputs: 0.1 ms max./
0.8 ms max.
Inputs: 20 μs max./
400 μs max.
NX-MD6121-6

 

General Specifications

Item Specification
Enclosure Mounted in a panel
Grounding method Ground to 100 Ω or less
Operating
environment
Ambient operating temperature 0 to 55°C
Ambient operating humidity 10% to 95% (with no condensation or icing)
Atmosphere Must be free from corrosive gases.
Ambient storage temperature -25 to 70°C (with no condensation or icing)
Altitude 2,000 m max.
Pollution degree 2 or less: Meets IEC 61010-2-201.
Noise immunity 2 kV on power supply line (Conforms to IEC61000-4-4.)
Overvoltage category Category II: Meets IEC 61010-2-201.
EMC immunity level Zone B
Vibration resistance *1 Conforms to IEC 60068-2-6.
5 to 8.4 Hz with 3.5-mm amplitude, 8.4 to 150 Hz, acceleration of
9.8 m/s2, 100 min each in X, Y, and Z directions
(10 sweeps of 10 min each = 100 min total)
Shock resistance *1 Conforms to IEC 60068-2-27. 147 m/s2, 3 times each in X, Y, and
Z directions
Applicable standards *2 cULus: Listed (UL508) or Listed (UL 61010-2-201), ANSI/ISA
12.12.01 or UL121201,
EU: EN 61131-2 or EN 61010-2-201, C-Tick or RCM, KC: KC
Registration, NK, LR

 

*1. For the Relay Output Unit, refer to the Digital Input Unit Specifications.
*2. Consult your OMRON representative for the most recent applicable standards for each model.

 

Unit name DC Input/Transistor Output
Unit
Model NX-MD6121-5
Number of points 16 inputs/16 outputs External connection
terminals
2 MIL connectors (20 terminals)
I/O refreshing method Switching Synchronous I/O refreshing and Free-Run refreshing
Output
section
(CN1)
Internal I/O
common
NPN Input
section
(CN2)
Internal I/O
common
For both NPN/PNP
Rated voltage 12 to 24 VDC Rated input
voltage
24 VDC (15 to 28.8 VDC)
Operating load
voltage range
10.2 to 28.8 VDC Input current 7 mA typical (at 24 VDC)
Maximum value
of load current
0.5 A/point, 2 A/Unit ON voltage/
ON current
15 VDC min./3 mA min.
(between COM and each signal)
Maximum
inrush current
4.0 A/point, 10 ms max. OFF voltage/
OFF current
5 VDC max./1 mA max.
(between COM and each signal)
Leakage
current
0.1 mA max. ON/OFF
response time
20 μs max./400 μs max.
Residual
voltage
1.5 V max. Input filter
time
No filter, 0.25 ms, 0.5 ms, 1 ms
(default), 2 ms, 4 ms, 8 ms,
16 ms, 32 ms, 64 ms, 128 ms,
256 ms
ON/OFF
response time
0.1 ms max./0.8 ms max.
Indicators TS indicator, I/O indicators
3185_sp_38_1
Dimensions 30 (W) x 100 (H) x 71 (D)
Isolation method Photocoupler isolation
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)
Dielectric strength 510 VAC between isolated
circuits for 1 minute at a
leakage current of 5 mA max.
I/O power supply
method
Supply from external source
Current capacity of
I/O power supply
terminal
Without I/O power supply
terminals
NX Unit power
consumption
• Connected to a CPU Unit or
Communication Control Unit
1.00 W max.
• Connected to a Communica-
tions Coupler Unit
0.70 W max.
Current consumption
from I/O power supply
30 mA max.
Weight 105 g max.
Circuit layout 3185_sp_38_2
Installation orientation
and restrictions
Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: As shown in the following.
3185_sp_38_3
Terminal connection
diagram
3185_sp_38_4
Disconnection/Short-
circuit detection
Not supported. Protective function Not supported.

 

Unit name DC Input/Transistor Output
Unit
Model NX-MD6256-5
Number of points 16 inputs/16 outputs External connection
terminals
2 MIL connectors (20 terminals)
I/O refreshing method Switching Synchronous I/O refreshing and Free-Run refreshing
Output
section
(CN1)
Internal I/O
common
PNP Input
section
(CN2)
Internal I/O
common
For both NPN/PNP
Rated voltage 24 VDC Rated input
voltage
24 VDC (15 to 28.8 VDC)
Operating load
voltage range
20.4 to 28.8 VDC Input current 7 mA typical (at 24 VDC)
Maximum value
of load current
0.5 A/point, 2 A/Unit ON voltage/
ON current
15 VDC min./3 mA min.
(between COM and each signal)
Maximum
inrush current
4.0 A/point, 10 ms max. OFF voltage/
OFF current
5 VDC max./1 mA max.
(between COM and each signal)
Leakage
current
0.1 mA max. ON/OFF
response time
20 μs max./400 μs max.
Residual
voltage
1.5 V max. Input filter
time
No filter, 0.25 ms, 0.5 ms, 1 ms
(default), 2 ms, 4 ms, 8 ms,
16 ms, 32 ms, 64 ms, 128 ms,
256 ms
ON/OFF
response time
0.5 ms max./1.0 ms max.
Indicators TS indicator, I/O indicators
3185_sp_39_1
Dimensions 30 (W) x 100 (H) x 71 (D)
Isolation method Photocoupler isolation
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)
Dielectric strength 510 VAC between isolated
circuits for 1 minute at a
leakage current of 5 mA max.
I/O power supply
method
Supply from external source
Current capacity of
I/O power supply
terminal
Without I/O power supply
terminals
NX Unit power
consumption
• Connected to a CPU Unit or
Communication Control Unit
1.10 W max.
• Connected to a Communica-
tions Coupler Unit
0.75 W max.
Current consumption
from I/O power supply
40 mA max.
Weight 110 g max.
Circuit layout 3185_sp_39_2
Installation orientation
and restrictions
Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: As shown in the following.
3185_sp_39_3
Terminal connection
diagram
3185_sp_39_4
Disconnection/Short-
circuit detection
Not supported. Protective function With load short-circuit
protection.

 

DC Input/Transistor Output Unit (Fujitsu/OTAX Connector, 30 mm Width)

 

Unit name DC Input/Transistor Output Unit Model NX-MD6121-6
Number of points 16 inputs/16 outputs External connection
terminals
2 Fujitsu/OTAX connectors
(24 terminals)
I/O refreshing method Switching Synchronous I/O refreshing and Free-Run refreshing
Output
section
(CN1)
Internal I/O
common
NPN Input
section
(CN2)
Internal I/O
common
For both NPN/PNP
Rated voltage 12 to 24 VDC Rated input
voltage
24 VDC (15 to 28.8 VDC)
Operating load
voltage range
10.2 to 28.8 VDC Input current 7 mA typical (at 24 VDC)
Maximum value
of load current
0.5 A/point, 2 A/Unit ON voltage/
ON current
15 VDC min./3 mA min.
(between COM and each signal)
Maximum
inrush current
4.0 A/point, 10 ms max. OFF voltage/
OFF current
5 VDC max./1 mA max.
(between COM and each signal)
Leakage
current
0.1 mA max. ON/OFF
response time
20 μs max./400 μs max.
Residual
voltage
1.5 V max. Input filter
time
No filter, 0.25 ms, 0.5 ms, 1 ms
(default), 2 ms, 4 ms, 8 ms,
16 ms, 32 ms, 64 ms, 128 ms,
256 ms
ON/OFF
response time
0.1 ms max./0.8 ms max.
Indicators TS indicator, I/O indicators
3185_sp_40_1
Dimensions 30 (W) x 100 (H) x 71 (D)
Isolation method Photocoupler isolation
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)
Dielectric strength 510 VAC between isolated
circuits for 1 minute at a
leakage current of 5 mA max.
I/O power supply
method
Supply from external source
Current capacity of
I/O power supply
terminal
Without I/O power supply
terminals
NX Unit power
consumption
• Connected to a CPU Unit or
Communication Control Unit
1.00 W max.
• Connected to a Communi-
cations Coupler Unit
0.70 W max.
Current consumption
from I/O power supply
30 mA max.
Weight 95 g max.
Circuit layout 3185_sp_40_2
Installation orientation
and restrictions
Installation orientation:
• Connected to a CPU Unit or Communication Control Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: As shown in the following.
3185_sp_40_3
Terminal connection
diagram
3185_sp_40_4
Disconnection/Short-
circuit detection
Not supported. Protective function Not supported.

Additional information

Weight N/A
Dimensions N/A
Model

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