Siemens S7-300 appendix Controller

Technical data of CPU 31xC

6.6 Technical data of the integrated I/O

CPU 313C/314C-2: Pin-out of the integrated AI/AO and DI (connector X11)

Standard

AI (Ch0)

AI (Ch1)

AI (Ch2)

AI (Ch3)

PT 100 (Ch4)

AO (Ch0)

AO (Ch1)

V

I

C V

I

C V

I

C V

I

C

V

A V

A

X11

1)					Standard DI	Interrupt input
Positioning	1			21
	2		DI+2.0	22	X	X
	3	PEWx+0	DI+2.1	23	X	X
	4		DI+2.2	24	X	X
	5		DI+2.3	25	X	X
	6	PEWx+2	DI+2.4	26	X	X
	7		DI+2.5	27	X	X
	8		DI+2.6	28	X	X
	9	PEWx+4	DI+2.7	29	X	X
	10		4M	30
	11			31
	12	PEWx+6		32
	13			33
	14	PEWx+8		34
	15			35
Control	16	PAW x+0		36
output 0	17			37
	18	PAW x+2		38
	19			39
	20	MANA		40

1) CPU 314C-2 only

Block diagram of integrated digital/analog I/O of CPUs 313C/314C-2

		AI/A0			8DI
		1			21
V		2			22
			AI
		3			23
A
		4	CH0		24
	AI0	5			25
V
			AI	interface
		6			26
A
		7	CH1		27
V	AI1	8			28
			AI	CPU
		9			29
A
		10	CH2		30
	AI2				4M
V		11			31
			AI
		12			32
A
		13	CH3		33
R	AI3	14	AI		34
		15		Controller	35
			PT100
	AI4
		16	U	A0	36
AO0	V	17			37
			I	CH0
	A
		18	U	A0	38
AO1	V	19			39
			I	CH1
	A	20
					40
	MANA

6-32	CPU 31xC and CPU 31x, Technical data
	Manual, Edition 08/2004, A5E00105475-05