Siemens S7-300 appendix Standard Interrupt Count Posi-1 Input Tioning

Technical data of CPU 31xC

6.6 Technical data of the integrated I/O

CPU 313C, CPU 313C-2 DP/PtP, CPU 314C-2 DP/PtP: DI/DO (connectors X11 and X12)

X11 of CPU 313C-2 PtP/DP

X12 of CPU 314C-2 PtP/DP

Standard

DI

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

Interrupt	Count	Posi-1)
input		tioning
X	Z0 (A)	A 0
X	Z0 (B)	B 0
X	Z0 (HW gate)	N 0
X	Z1 (A)	Prob 0
X	Z1(B)	Bero	0
X	Z1 (HW gate)
X	Z2 (A)
X	Z2 (B)
X	Z2 (HW gate)
X	Z3 (A)
X	Z3 (B)	1)
X	Z3 (HW gate)
X	Z0 (Latch)
X	Z1 (Latch)
X	Z2 (Latch)
X	Z3	1)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

			Positioning 1)	Count	Standard
1L+	2L+	21	Digital Analog		DO
DI+0.0	DO+0.0	22		V0	X
DI+0.1	DO+0.1	23		V1	X
DI+0.2	DO+0.2	24		V2	X
DI+0.3	DO+0.3	25		V3 1)	X
DI+0.4	DO+0.4	26			X
DI+0.5	DO+0.5	27			X
DI+0.6	DO+0.6	28	CONV_EN		X
DI+0.7	DO+0.7	29	CONV_DIR		X
	2M	30
	3L+	31
DI+1.0	DO+1.0	32	R+		X
DI+1.1	DO+1.1	33	R-		X
DI+1.2	DO+1.2	34	Rapid		X
DI+1.3	DO+1.3	35	Creep		X
DI+1.4	DO+1.4	36			X
DI+1.5	DO+1.5	37			X
DI+1.6	DO+1.6	38			X
DI+1.7	DO+1.7	39			X
1M	3M	40

Zn	Counter n
A, B	Encoder signals
HW gate	Gate control
Latch	Store counter distance
Vn	Comparator n
Prob 0	Measuring probe 0
Bero 0	Reference point switch 0
R+, R-	Directional signal
Rapid	Rapid traverse
Creep	Creep speed
CONV_EN	Power section enable
CONV_DIR	Directional signal (only with control type "voltage 0 to 10 V or current from 0 to 10 mA and directional signal")
X	Pin usable if not assigned to technology functions

1) CPU 314C-2 only

Reference

Details are found in the Manual Technical Functions under Counting, Frequency Measurement and Pulse Width Modulation

6-30	CPU 31xC and CPU 31x, Technical data
	Manual, Edition 08/2004, A5E00105475-05