Siemens SIMATIC ET 200SP Manual page 33

Counting operating mode (CNT)
4.1 Connecting
Wiring: 1 and 2-wire connection
The figure below shows the block diagram and an example of pin assignment for the
DI 8×24VDC HS digital input module on the BaseUnit BU type A0 without AUX terminals (1
and 2-wire connection).
①
1-wire connection
②
2-wire connection
③
Backplane bus interface
④
Input electronics
⑤
Color-coded label CCxx (optional)
⑥
Supply voltage filter circuit (only available with
light BaseUnit)
M Ground
L+ Encoder supply, channel n
n
L+ 24 V DC (infeed only with light BaseUnit)
P1, Internal self-configuring voltage buses
P2, Connection to the left (dark BaseUnit)
AUX Connection to the left interrupted (light Ba-
seUnit)
Figure 4-1 Pinout and block diagram for 1 and 2-wire connection of encoders
32
DIAG LED error or diagnostics (green, red)
.0 to .7 LED channel status (green)
PWR LED power (green)
CNT LED operating mode Count (green)
OVS LED operating mode Oversampling (green)
DI - DI Counter input, channels 0-3
0 3
DI Direction input or gate input for DI
4
DI Direction input or gate input for DI
5
DI Direction input or gate input for DI
6
DI Direction input or gate input for DI
7
Digital input module DI 8x24VDC HS (6ES7131-6BF00-0DA0)
Equipment Manual, 11/2019, A5E35243810-AD
, channel 4
0
, channel 5
1
, channel 6
2
, channel 7
3