Table 3-1 FP1 series of major product specifications
Categories		Products		I / O points	Memory	Working voltage		Output type
Control unit		C14 standard		8 / 6	EEPROM	DC 24V  100 ~ 240V AC		Relay  Transistors  (NPN and PNP)
		C16 standard		8 / 8
		C24 standard		16 / 8	RAM
		I C24C with RS232C  And the clock / calendar function
		C40 standard		24/16
		I C40C with RS232C  And the clock / calendar function
		C56 standard		32/24
		I C56C with RS232C  And the clock / calendar function
		C72 standard		40/32
		I C72C with RS232C  And the clock / calendar function
Expansion modules		E8		8 / 0	/	/		Relay transistor (NPN and PNP)
				4 / 4
				0 / 8
		E16		16 / 0
				8 / 8
				0 / 16
		E24		16 / 8	/	DC 24V AC 100-240V
		E40		24/16	/
Intelligent Unit		Name	Help			Working voltage
		A / D converter module	Analog input channels: Channel 4 / unit  Analog input range: 0 to 5V  0 ~ 10V  0 ~ 20mA  Digital output: K0-K1000			DC 24V  100 ~ 240V AC
		D / A converter module	Analog output channels: Channel 2 / unit  Analog outputs: 0 to 5V  0 ~ 10V  0 ~ 20mA  Digital Input: K0-K1000			DC 24V  100 ~ 240V AC
Links modules	I / O  LINK modules		FP1 for the FP3/FP5 and between I / O interface unit information exchange				DC 24V  100 ~ 240V AC
	C-NET  Adapter		RS485 and RS422/RS232C exchange of information; for PLC and the communication between computers				DC 24V  100 ~ 240V AC
	S1-C-NET Adapter		RS485 ← → RS422 control unit for the FP1 signal converters				/