Allen-Bradley PLC5 DF1 Addressing

Topic: CM002

Memory Type	File Number Range	Address Range	Bit Specification	Description	Flag	Read/Write Type	Data Type
O	File number not used.	0 to 17777	—	Output	—	Read Only	Word
O	File number not used.	0 to 17777	0 to 15	Output	—	Read Only	Discrete
I	File number not used.	0 to 17777	—	Input	—	Read Only	Word
I	File number not used.	0 to 17777	0 to 15	Input	—	Read Only	Discrete
S	File number not used.	0 to 999	—	State	—	Read Only	Word
S	File number not used.	0 to 999	0 to 15	State	—	Read Only	Discrete
B	3:, 9: to 999:	0 to 1999	—	Binary	—	R/W	Word
B	3:, 9: to 999:	0 to 1999	0 to 15	Binary	—	R/W	Discrete
T	4:, 9: to 999:	0 to 1999	—	Timer	.EN	Read Only	Discrete
					.TT	Read Only	Discrete
					.DN	Read Only	Discrete
					.ACC	R/W	Word
					.PRE	R/W	Word
C	5:, 9: to 999:	0 to 1999	—	Counter	.DN	Read Only	Discrete
					.ACC	R/W	Word
					.PRE	R/W	Word
					.CU	Read Only	Discrete
					.CD	Read Only	Discrete
					.OV	Read Only	Discrete
					.UN	Read Only	Discrete
R	6:, 9: to 999:	0 to 1999	—	Internal	.EN	Read Only	Discrete
					.DN	Read Only	Discrete
					.EU	Read Only	Discrete
					.EM	Read Only	Discrete
					.ER	Read Only	Discrete
					.UL	Read Only	Discrete
					.IN	Read Only	Discrete
					.FD	Read Only	Discrete
					.LEN	R/W	Word
					.POS	R/W	Word
N	7:, 9: to 999:	0 to 1999	—	Integer	—	R/W	Word
N	7:, 9: to 999:	0 to 1999	0 to 15	Integer	—	R/W	Discrete
F	8: to 999:	0 to 1999	—	Floating Point	—	R/W	Word
F	8: to 999:	0 to 1999	0 to 15	Floating Point	—	R/W	Discrete