Name: BD Engineering
Address: Uttara, Dhaka, 1230, BD
Telephone: +880 1712 506 181
Price range: $$

Name		No. of bits	Word addresses	Remarks
CIO Area	Input Bits	1,600 bits	CIO 0 to CIO 99	For NA-type, CIO90, CIO91 is occupied by analog input 0,1.
	Output Bits	1,600 bits	CIO 100 to CIO 199	For NA-type, CIO190 is occupied by analog output 0.
	Serial PLC Link Words method	1,440 bits	CIO 200 to CIO, PLC controller 289	—
Work Area		1,600 bits	W0 to W99	—
Holding Area		800 bits	H0 to H49	Data in this area is retained during power interruptions if a Battery Set type CPU Unit.
Data Memory Area type	E(S)-type CPU Unit	2K words	D0 to D2047	Data in specified words of the DM Area can be retained in the built-in EEPROM in the backup memory by using a bit
Data Memory Area type	N/NA-type CPU Unit type	8K words	D0 to D8191	Data in specified words of the DM Area can be retained in the built-in EEPROM in the backup memory by using a bit in the Auxiliary Area. Applicable words: D0 to D6999
Timer Area	Present values no	256	T0 to T255	—
Timer Area	Timer Completion Flags system	256	T0 to T255	—
Counter Area	Present values no	256	C0 to C255	Data in this area is retained during power interruptions if a Battery Set type CPU Unit.
Counter Area	Counter Completion Flags	256	C0 to C255	—
Auxiliary Area	Read-only	7168 bits	A0 to A447	Data in this area is retained during power interruptions if a Battery Set type CPU Unit.
Auxiliary Area	Read-write	4,896 bits	A448 to A753