Siemens 6ES7131-6BF00-0DA0 - Interrupts

Counting operating mode (CNT)
4.1 Connecting
Digital input module DI 8x24VDC HS (6ES7131‑6BF00‑0DA0)
Manual, 03/2015, A5E35243810-AA
29
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
DIAG
LED error or diagnostics (green, red)
②
2-wire connection
.0 to .7
LED channel status (green)
③
Backplane bus interface
PWR
LED power (green)
④
Input electronics
CNT
LED operating mode Count (green)
⑤
Color-coded label CCxx (optional)
OVS
LED operating mode Oversampling (green)
⑥
Supply voltage filter circuit (only available with light
BaseUnit)
DI
0
- DI
3
Counter input, channels 0-3
M
Ground
DI
4
Direction input or gate input for DI
0
, channel 4
L+
n
Encoder supply, channel n
DI
5
Direction input or gate input for DI
1
, channel 5
L+
24 V DC (infeed only with light BaseUnit)
DI
6
Direction input or gate input for DI
2
, channel 6
P1,
P2,
AUX
Internal self-configuring voltage buses
Connection to the left (dark BaseUnit)
Connection to the left interrupted (light BaseUnit)
DI
7
Direction input or gate input for DI
3
, channel 7
Figure 4-1 Pinout and block diagram for 1 and 2-wire connection of encoders