Analog expansion board (A/D conversion, D/A conversion)

Model (Number of channels)	Input specifications			Applicable FX PLC
	Item	Input voltage	Input current	FX 3S	FX 3G	FX 3U	FX 3GC	FX 3UC
FX3G-2AD-BD (Input 2 ch)	Input range	0 to 10 V DC (Input resistance 198.7 kΩ)	4 to 20 mA DC (Input resistance 250 Ω)	*3 ○ Max. 1 unit	*1*2 ○ Max. 2 units	×	×	×
	Resolution	2.5 mV (10 V/4000)	8 μA {(20 - 4 mA)/2000}
FX3G-1DA-BD (Output 1 ch)	Output range	0 to 10 V DC (External load resistance value 2 kΩ to 1 MΩ)	4 to 20 mA DC (External load resistance value 500 Ω or less)	*3 ○ Max. 1 unit	*1*2 ○ Max. 2 units	×	×	×
	Resolution	2.5 mV (10 V/4000)	8 μA {(20 - 4 mA)/2000}

*1: Supported by FX3G ver. 1.10 and later.
*2: FX3G 14pt, 24pt models: 1 board. 40pt, 60pt models: 2 boards.
*3: Function expansion board and FX3S-CNV-ADP cannot be used together.

Mixed Analog Input/Output (A/D conversion, D/A conversion)

Model (Number of channels)	Input/output specifications			Applicable FX PLC
	Item	Input/output voltage	Input/output current	FX 3S	FX 3G	FX 3U	FX 3GC	FX 3UC
FX3U-3A-ADP (Input 2 ch) (Output 1ch)	Input range	0 to 10 V DC (Input resistance 198.7 kΩ)	4 to 20 mA DC (Input resistance 250 Ω)	*7 ○ Max. 1 unit	*1*6 ○ Max. 2 units	*2 ○ Max. 4 units	○ Max. 2 units	*3 ○ Max. 4 units
	Output range	0 to 10 V DC (External load resistance value 5 kΩ to 1 MΩ)	4 to 20 mA DC (External load resistance value 500 Ω or less)
	Resolution	[Input voltage] 2.5 mV (10 V/4000) [Output voltage] 2.5 mV (10 V/4000)	[Input current] 5 μA (16 mA/3200) [Onput current] 4 μA (16 mA/4000)
FX2N-5A (Input 4 ch) (Output 1ch)	Input range	-100 to 100 mV DC -10 to 10 V DC (Input resistance 200 kΩ)	-20 to 20 mA DC 4 to 20 mA DC (Input resistance 250 Ω)	×	×	○ Max. 8 units	×	*4*5 ○ Max. 8 units
	Output range	-10 to 10 V DC (External load resistance value 2 kΩ to 1 MΩ)	0 to 20 mA DC, 4 to 20 mA DC (External load resistance value 500 Ω or less)
	Resolution	50 μV (at ±100 mV) 312.5 μV (at ±10 V)	1.25 μA，10 μA ((depending on mode used))

*1: Supported by FX3G ver.1.20 and later. For connection to FX3G, FX3G-CNV-ADP is required.
*2: Supported by FX3U ver.2.61 and later. For connection to FX3U, function expansion board is required.
*3: Supported by FX3UC ver.2.61 and later. When connecting to FX3UC- 32MT-LT(-2), function expansion board is required.
*4: When connecting to FX3UC, FX2NC-CNV-IF or FX3UC- 1PS-5V is required.
*5: FX3UC- 32MT-LT(-2): 7 units. FX3UC-**MT/D, FX3UC- **MT/DSS, FX3UC-16MR/D (S)-T: 8 units.
*6: FX3G 14 pt, 24 pt models: 1 board. 40 pt, 60 pt models: 2 boards.
*7: For connection to FX3S, FX3S-CNV-ADP is required.

Analog Input (A/D conversion)

Model (Number of channels)	Input specifications			Applicable FX PLC
	Item	Input voltage	Input current	FX 3S	FX 3G	FX 3U	FX 3GC	FX 3UC
FX3S-30MR/ES-2AD FX3S-30MT/ES-2AD FX3S-30MT/ESS-2AD (Input 2ch)	Input range	0 to 10 V DC (Input resistance 115.7 kΩ)	-	-	-	-	-	-
	Resolution	10 mV (10 V/1000)	-
FX2N-2AD (Input 2 ch)	Input range	0 to 10 V DC, 0 to 5 V DC (Input resistance 200 kΩ) The input characteristic is the same for each channel.	4 to 20 mA DC (Input resistance 250 Ω) The input characteristic is the same for each channel.	×	×	○ Max. 8 units	×	*1*2 ○ Max. 8 units
	Resolution	2.5 mV (10 V × 1/4000) 1.25 mV (5 V × 1/4000)	4 μA ((20 - 4 mA) × 1/4000)
FX3U-4AD (Input 4ch)	Input range	-10 to 10 V DC (Input resistance 200 kΩ)	-20 to 20 mA DC, 4 to 20 mA (Input resistance 250 Ω)	×	×	○ Max. 8 units	×	*1*2 ○ Max. 8 units
	Resolution	0.32 mV (20 V × 1/64000)	1.25 μA (40 mA × 1/32000)
FX3U-4AD-ADP (Input 4ch)	Input range	0 to 10 V DC (Input resistance 194 kΩ)	4 to 20 mA DC (Input resistance 250 Ω)	*8 ○ Max. 1 unit	*4*3 ○ Max. 2 units	*5 ○ Max. 4 units	○ Max. 2 units	*5*6 ○ Max. 4 units
	Resolution	2.5 mV (10 V/4000)	10 μA (16 mA/1600)
FX3UC-4AD (Input 4ch)	Input range	-10 to 10 V DC (Input resistance 200 kΩ)	4 to 20 mA DC, -20 to 20 mA DC (Input resistance 250 Ω)	×	×	×	×	*7*2 ○ Max. 8 units
	Resolution	0.32 mV (20 V × 1/64000) 2.50 mV (20 V × 1/8000)	1.25 μA (40 mA × 1/32000) 5.0 μA (40 mA × 1/8000)
FX2N-8AD (Input 8 ch)	Input range	-10 to 10 V DC (Input resistance 200 kΩ)	4 to 20 mA DC -20 to 20 mA DC (Input resistance 250 Ω)	×	×	○ Max. 8 units	×	*1*2 ○ Max. 8 units
	Resolution	0.63 mV (20 V × 1/32000) 2.50 mV (20 V × 1/8000)	2.5 μA (40 mA × 1/16000) 2 μA (16 mA × 1/8000) 5.0 μA (40 mA × 1/8000) 4 μA (16 mA × 1/4000)

*1: When connecting to FX3UC, FX2NC-CNV-IF or FX3UC- 1PS-5V is required.
*2: FX3UC- 32MT-LT(-2): 7 units. FX3UC-**MT/D, FX3UC- **MT/DSS, FX3UC-16MR/D (S)-T: 8 units.
*3: FX3G 14pt, 24pt models: 1 board. 40pt, 60pt models: 2 boards.
*4: When connecting to FX3G, FX3G-CNV-ADP is required.
*5: When connecting to FX3U, function expansion board is required.
*6: FX3UC- 32MT-LT supported from version 1.20 or later.
*7: FX3UC- 32MT-LT supported from version 1.30 or later.
*8: When connecting to FX3S, FX3S-CNV-ADP is required.

Analog Output (D/A conversion)

Model (Number of channels)	Output specifications			Applicable FX PLC
	Item	Output voltage	Output current	FX 3S	FX 3G	FX 3U	FX 3GC	FX 3UC
FX2N-2DA (Output 2 ch)	Output range	0 to 10 V DC, 0 to 5 V DC (External load resistance value 2 kΩ to 1 MΩ)	4 to 20 mA DC (External load resistance value 400 Ω or less)	×	×	○ Max. 8 units	×	*1*2 ○ Max. 8 units
	Resolution	2.5 mV (10 V × 1/4000) 1.25 mV (5 V × 1/4000)	4 μA ((20 - 4) mA × 1/4000)
FX3U-4DA (Output 4 ch)	Output range	-10 to 10 V DC (External load resistance value 1 kΩ to 1 MΩ)	0 to 20 mA DC 4 to 20 mA DC (External load resistance value 500 Ωor less)	×	×	○ Max. 8 units	×	*1*2 ○ Max. 8 units
	Resolution	0.32 mV (20 V × 1/64000)	0.63 μA (20 mA × 1/32000)
FX3U-4DA-ADP (Output 4 ch)	Output range	0 to 10 V DC (External load resistance value 5 kΩ to 1 MΩ)	4 to 20 mA DC (External load resistance value 500 Ω or less)	*7 ○ Max. 1 unit	*3*4 ○ Max. 2 units	*5 ○ Max. 4 units	○ Max. 2 units	*5*6 ○ Max. 4 units
	Resolution	2.5 mV (10 V/4000)	4 μA (16 mA/4000)

*1: When connecting to FX3UC, FX2NC-CNV-IF or FX3UC- 1PS-5V is required.
*2: FX3UC- 32MT-LT(-2): 7 units. FX3UC-**MT/D, FX3UC- **MT/DSS, FX3UC-16MR/D (S)-T: 8 units.
*3: FX3G 14 pt, 24 pt models: 1 board. 40 pt, 60 pt models: 2 boards.
*4: When connecting to FX3G, FX3G-CNV-ADP is required.
*5: When connecting to FX3U, FX3UC-32MT-LT(-2), function expansion board is required.
*6: FX3UC- 32MT-LT supported from version 1.20 or later.
*7: When connecting to FX3S, FX3S-CNV-ADP is required.