Hitachi EH-150 Analog Input Modules, Analog Output Modules, EH-AY22, EH-AY2H, EH-AY4V/H, Resolution, Conversion time, Total accuracy, External load, Voltage output

Engineering Guideline EH-150 Series PLC

Analog Input Modules

	Item	EH-AX44	EH-AX8V/H	EH-PT4
Input current range		4 to 20mA	-	-
Input voltage range		0 to 10V	0 to 10V (V) / -10 to 10V (H)	-
Temperature-sensing element		-	-	PT100 / PT1000
I/O assignment		Word X 8W	Word X 8W	Word X 4W
Resolution		12 bits	12 bits	15 bits
Conversion time		less than 5ms	less than 5ms	1s
Total accuracy		Less than +/-1% (full scale)	Less than +/-1% (full scale)	-
	-50°C to 400°C (PT100)	-	-	+/-3% (-50°C to 400°C), +/-
Measuring range				0.5% (-20°C to 40°C)
and accuracy	-50°C to 400°C (PT1000)	-	-	+/-6% (-50°C to 400°C)
Input impedance	Current input	Approx. 100 Ω	-	-
	Voltage input	Approx. 100kΩ	Approx. 100kΩ	-
Insulation system	Channel - internal circuit	Photocoupler	Photocoupler	Photocoupler
	Between channels	Not insulated	Not insulated	Not insulated
	Current inputs *1)	4 Channels/module	-	-
		(Channels 0 - 3)
No. of channels	Voltage inputs *1)	4 Channels/module	8 Channels/module	-
		(Channels 4 - 7)	(Channels 0 - 7)
	PT100/PT1000	-	-	4 Channels/module
External connection		Removable type	Removable type	Removable type
		screw terminal block	screw terminal block	screw terminal block
Internal current consumption (5V)		Approx. 100mA	Approx. 100mA	Approx. 300mA
External power supply (Module supply		24V DC (+20%, -15%, approx.	24V DC (+20%, -15%, approx.	24V DC (+/-10%,
voltage)		150mA)	150mA)	approx. 100mA)
External wiring		2-core shielded	2-core shielded	3-core shielded

*1): Both current inputs and voltage inputs are available at the same time.

Analog Output Modules

	Item	EH-AY22		EH-AY2H	EH-AY4V/H
Ouput voltage range		0 to 10V		-10 to 10V	0 to 10V (V) / -10 to 10V
					(H)
Output current range		4 to 20mA		-	-
I/O assignment				Word Y 8W
Resolution				12 bits
Conversion time				less than 5ms
Total accuracy				Less than +/-1% (full scale)
External load	Voltage output			10kΩ or more
	Current output	0 to 500Ω		-
Insulation system	Channel - internal circuit			Photocoupler
	Between channels			Not insulated
	Voltage outputs *3	2 Channels/module		2 Channels/module	4 Channels/module
		(Channels 0 - 1)		(Channels 0 - 1)	(Channels 0 - 3)
No. of channels
	Current outputs *3	2 Channels/module		-	-
		(Channels 2 - 3)
External connection			Removable type screw terminal block
Internal current consumption (5V)				Approx. 100mA
External power supply (Module supply		24V DC (+20%, -15%, approx. 150mA)
External wiring				2-core shielded

*3: Both current outputs and voltage ouputs are available at the same time.

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