Omron produce basic I/O modules such as CS Series B7A interface module, DC output module, DC input module, interrupt the input module, quick response input module and DC input/transistor output units.

Specification Omron DC Input/Transistor Output Units

Unit type	Product name	Specifications						Current con- sump- tion (A)		Model	Stand- ards
		Output type	I/O points	Input voltage, Input current	Commons	Ex- ternal con- nec- tion	No. of words allo- cated	5 V	24 V
				Maximum switching capacity
CJ1 Basic I/O Units	Omron DC Input/ Tran- sistor Output Units	Sinking	16 inputs	24 VDC, 7 mA	16 points, 1 common	CJ1W-MD233	2 words	0.13	—	CJ1W-MD231	UC1, N, CE
			16 outputs	250 VAC/ 24 VDC, 0.5 A	16 points, 1 common
		Sinking	16 inputs	24 VDC, 7 mA	16 points, 1 common	MIL con- nector	2 words	0.13	—	CJ1W-MD233	UC1, N, CE
			16 outputs	12 to 24 VDC, 0.5 A	16 points, 1 common
		Sinking	32 inputs	24 VDC, 4.1 mA	16 points, 1 common	Fujitsu/ OTAX con- nector	4 words	0.14	—	CJ1W-MD261
			32 outputs	12 to 24 VDC, 0.3 A	16 points, 1 common
		Sinking	32 inputs	24 VDC, 4.1 mA	16 points, 1 common	MIL con- nector	4 words	0.14	—	CJ1W-MD263
			32 outputs	12 to 24 VDC, 0.3 A	16 points, 1 common
		Sourcing	16 inputs	24 VDC, 7 mA	16 points, 1 common	MIL con- nector	2 words	0.13	—	CJ1W-MD232	UC1, N, L, CE