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GX-[]D16[]8 / []D32[]8

Digital I/O Terminal e-CON Connector Type

GX-[]D16[]8 / []D32[]8

Easy wiring using industry standard e-CON connectors. Special wiring tool is not necessary.

Related Contents

last update: May 9, 2019

General Specifications

Item Specification
Unit power supply voltage 20.4 to 26.4 VDC (24 VDC -15% to +10%)
I/O power supply voltage 20.4 to 26.4 VDC (24 VDC -15% to +10%)
Noise resistance Conforms to IEC 61000-4-4, 2 kV (power line)
Vibration resistance 10 to 60 Hz with amplitude of 0.7 mm, 60 to 150Hz and 50 m/s2 in
X, Y, and Z directions for 80 minutes
＜Relay Output Unit GX-OC1601 only＞
10 to 55 Hz with double-amplitude of 0.7 mm
Impact resistance 150 m/s2 with amplitude of 0.7 mm
＜Relay Output Unit GX-OC1601 only＞
100 m/s2 (3 times each in 6 directions on 3 axes)
Dielectric strength 600 VAC (between isolated circuits)
Isolation resistance 20 MΩ or more (between isolated circuits)
Ambient operating temperature -10 to 55 °C
Operating humidity 25% to 85% (with no condensation)
Operating atmosphere No corrosive gases
Storage temperature -25 to 65 °C
Storage humidity 25% to 85% (with no condensation)
Terminal block screws
tightening torque *		 M3 wiring screws: 0.5 Nm
M3 terminal block mounting screws: 0.5 Nm
Mounting method 35-mm DIN track mounting

* Applicable only to 2-tier terminal block and 3-tier terminal block type slaves.

Input Section Specifications

16-point Input Terminals

Item Specification
GX-ID1618 GX-ID1628
Input capacity 16 points
Internal I/O common NPN PNP
ON voltage 15 VDC min. (between each input
terminal and the V terminal)		 15 VDC min. (between each input
terminal and the G terminal)
OFF voltage 5 VDC max. (between each input
terminal and the V terminal)		 5 VDC max. (between each input
terminal and the G terminal)
OFF current 1.0 mA max.
Input current 6.0 mA max./input (at 24-VDC)
3.0 mA min./input (at 17-VDC)
ON delay 0.1 ms max.
OFF delay 0.2 ms max.
Input filter value Without filter, 0.5 ms, 1 ms, 2 ms, 4 ms, 8 ms, 16 ms, 32 ms (Default setting:
1 ms)
Number of circuits per common 16 points/common
Input indicators LED display (yellow)
Isolation method No isolation
I/O power supply method Supplied from unit power supply
Input device supply current 50 mA/point
Unit power supply current
consumption		 150 mA max. (for 20.4 to 26.4-VDC power supply voltage)
e-CON Connector insertion
durability		 50 times
Weight 140 g max.
Expansion functions No
Short-circuit protection function Available (Operates at 50 mA/point min.)

Note: For the I/O power supply current value to V and G terminals, refer to GX Series Operation Manual (Cat. No. W488).

32-point Input Terminals

Item Specification
GX-ID3218 GX-ID3228
Input capacity 32 points
Internal I/O common NPN PNP
ON voltage 15 VDC min. (between each input
terminal and the V terminal)		 15 VDC min. (between each input
terminal and the G terminal)
OFF voltage 5 VDC max. (between each input
terminal and the V terminal)		 5 VDC max. (between each input
terminal and the G terminal)
OFF current 1.0 mA max.
Input current 6.0 mA max./input (at 24-VDC)
3.0 mA min./input (at 17-VDC)
ON delay 0.1 ms max.
OFF delay 0.2 ms max.
Input filter value Without filter, 0.5 ms, 1 ms, 2 ms, 4 ms, 8 ms, 16 ms, 32 ms (Default setting:
1 ms)
Number of circuits per common 32 points/common
Input indicators LED display (yellow)
Isolation method No isolation
I/O power supply method Supplied from unit power supply
Input device supply current 50 mA/point
Unit power supply current
consumption		 230 mA max. (for 20.4 to 26.4-VDC power supply voltage)
e-CON Connector insertion
durability		 50 times
Weight 220 g max.
Expansion functions No
Short-circuit protection function Available (Operates at 50 mA/point min.)

Note: For the I/O power supply current value to V and G terminals, refer to GX Series Operation Manual (Cat. No. W488).

Output Section Specifications

16-point Output Terminals

Item Specification
GX-OD1618 GX-OD1628
Output capacity 16 points
Rated current (ON current) 0.5 A/output, 4.0 A/common
Internal I/O common NPN PNP
Residual voltage 1.2 V max. (0.5 ADC, between each
output terminal and the G terminal)		 1.2 V max. (0.5 ADC, between each
output terminal and the V terminal)
Leakage current 0.1 mA max.
ON delay 0.5 ms max.
OFF delay 1.5 ms max.
Number of circuits per common 16 points/common
Output indicators LED display (yellow)
Isolation method Photocoupler isolation
I/O power supply method Supply by I/O power supply
Output device supply current 100 mA/point
Unit power supply current consumption 80 mA max. (for 20.4 to 26.4-VDC power supply voltage)
Current consumption from I/O power
supply		 10 mA max. (for 20.4 to 26.4-VDC power supply voltage)
e-CON Connector insertion durability 50 times
Weight 130 g max.
Expansion functions No
Output handling for communications
errors		 Select either hold or clear
Short-circuit protection function No

Note: For the I/O power supply current value to V and G terminals, refer to GX Series Operation Manual (Cat. No. W488).

32-point Output Terminals

Item Specification
GX-OD3218 GX-OD3228
Output capacity 32 points
Rated current (ON current) 0.5 A/output, 4.0 A/common
Internal I/O common NPN PNP
Residual voltage 1.2 V max. (0.5 ADC, between each
output terminal and the G terminal)		 1.2 V max. (0.5 ADC, between each
output terminal and the V terminal)
Leakage current 0.1 mA max.
ON delay 0.5 ms max.
OFF delay 1.5 ms max.
Number of circuits per common 16 points/common
Output indicators LED display (yellow)
Isolation method Photocoupler isolation
I/O power supply method Supply by I/O power supply
Output device supply current 100 mA/point
Unit power supply current consumption 100 mA max. (for 20.4 to 26.4-VDC power supply voltage)
Current consumption from I/O power
supply		 10 mA max. (for 20.4 to 26.4-VDC power supply voltage)
e-CON Connector insertion durability 50 times
Weight 210 g max.
Expansion functions No
Output handling for communications
errors		 Select either hold or clear
Short-circuit protection function No

Note: For the I/O power supply current value to V and G terminals, refer to GX Series Operation Manual (Cat. No. W488).

Input and Output Section Specifications

8-point Input and 8-point output Terminals

General Specifications

Item Specification
GX-MD1618 GX-MD1628
Internal I/O common NPN PNP
I/O indicators LED display (yellow)
Unit power supply current consumption 120 mA max. (for 20.4 to 26.4-VDC power supply voltage)
e-CON Connector insertion durability 50 times
Weight 140 g max.
Expansion functions No
Short-circuit protection function Available at input section only (Operates at 50 mA/point min.)

Input Section

Item Specification
GX-MD1618 GX-MD1628
Input capacity 8 points
ON voltage 15 VDC min. (between each input
terminal and the V terminal)		 15 VDC min. (between each input
terminal and the G terminal)
OFF voltage 5 VDC max. (between each input
terminal and the V terminal)		 5 VDC max. (between each input
terminal and the G terminal)
OFF current 1.0 mA max.
Input current 6.0 mA max./input (at 24-VDC)
3.0 mA min./input (at 17-VDC)
ON delay 0.1 ms max.
OFF delay 0.2 ms max.
Input filter value Without filter, 0.5 ms, 1 ms, 2 ms, 4 ms, 8 ms, 16 ms, 32 ms (Default
setting: 1 ms)
Number of circuits per common 8 points/common
Isolation method No-isolation
I/O power supply method Supplied from unit power supply
Input device supply current 50 mA/point
I/O power supply current consumption 5 mA max. (for 20.4 to 26.4-VDC power supply voltage)

Output Section

Item Specification
GX-MD1618 GX-MD1628
Output capacity 8 points
Rated output current 0.5 A/output, 2.0 A/common
Residual voltage 1.2 V max. (0.5 ADC, between each
output terminal and the G terminal)		 1.2 V max. (0.5 ADC, between each
output terminal and the V terminal)
Leakage current 0.1 mA max.
ON delay 0.5 ms max.
OFF delay 1.5 ms max.
Number of circuits per common 8 points/common
Isolation method Photocoupler isolation
I/O power supply method Supply by I/O power supply
Output device supply current 100 mA/point
I/O power supply current consumption 5 mA max. (for 20.4 to 26.4-VDC power supply voltage)
Output handling for communications
errors		 Select either hold or clear

Note: For the I/O power supply current value to V and G terminals, refer to GX Series Operation Manual (Cat. No. W488).

16-point Input and 16-point output Terminals

General Specifications

Item Specification
GX-MD3218 GX-MD3228
Internal I/O common NPN PNP
I/O indicators LED display (yellow)
Unit power supply current consumption 140 mA max. (for 20.4 to 26.4-VDC power supply voltage)
e-CON Connector insertion durability 50 times
Weight 220 g max.
Expansion functions No
Short-circuit protection function Available at input section only (Operates at 50 mA/point min.)

Input Section

Item Specification
GX-MD3218 GX-MD3228
Input capacity 16 points
ON voltage 15 VDC min. (between each input
terminal and the V terminal)		 15 VDC min. (between each input
terminal and the G terminal)
OFF voltage 5 VDC max. (between each input
terminal and the V terminal)		 5 VDC max. (between each input
terminal and the G terminal)
OFF current 1.0 mA max.
Input current 6.0 mA max./input (at 24-VDC)
3.0 mA min./input (at 17-VDC)
ON delay 0.1 ms max.
OFF delay 0.2 ms max.
Input filter value Without filter, 0.5 ms, 1 ms, 2 ms, 4 ms, 8 ms, 16 ms, 32 ms (Default
setting: 1 ms)
Number of circuits per common 16 points/common
Isolation method No-isolation
I/O power supply method Supplied from unit power supply
Input device supply current 50 mA/point
I/O power supply current consumption 5 mA max. (for 20.4 to 26.4-VDC power supply voltage)

Output Section

Item Specification
GX-MD3218 GX-MD3228
Output capacity 16 points
Rated output current 0.5 A/output, 2.0 A/common
Residual voltage 1.2 V max. (0.5 ADC, between each
output terminal and the G terminal)		 1.2 V max. (0.5 ADC, between each
output terminal and the V terminal)
Leakage current 0.1 mA max.
ON delay 0.5 ms max.
OFF delay 1.5 ms max.
Number of circuits per common 16 points/common
Isolation method Photocoupler isolation
I/O power supply method Supply by I/O power supply
Output device supply current 100 mA/point
I/O power supply current consumption 5 mA max. (for 20.4 to 26.4-VDC power supply voltage)
Output handling for communications
errors		 Select either hold or clear

Note: For the I/O power supply current value to V and G terminals, refer to GX Series Operation Manual (Cat. No. W488).

last update: May 9, 2019

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