Siemens SIMATIC ET 200SP Manual page 18

Wiring
3.1 Pin assignment
Terminal assignment of the BaseUnit
The table below shows the pin assignment, using the BaseUnit BU15-P16+A0+2B as an
example.
Table 3- 1 Pin assignment of the BaseUnit BU15-P16+A0+2B
View
Supply voltage, encoder supply and ground
18
Signal name
24 V incremental encoder
With
signal N
1 A Encoder signal A
3 B Encoder signal B
5 N Encoder
signal N
2 DI0
4 DI1
6 DI2
8 DQ0
10 DQ1
7 —
9 —
11 —
13 —
15 24VDC
12 M
14 M
16 M
L+
M
Designation
Without with direction
signal N signal
Direction
signal B
Digital input DI0
Digital input DI1
Digital input DI2
Digital output DQ0
Digital output DQ1
24 V encoder supply
Ground for encoder supply, digital inputs and digital outputs
DC 24V Supply voltage
Ground for supply voltage
Technology Module TM Count 1x24V (6ES7138‑6AA00‑0BA0)
24 V pulse encoder
without direction
signal
Counting signal A
—
—
—
—
—
—
Manual, 10/2013, A5E33002339-AA
up/down
Up counting
signal A
Down
counting
signal B