Siemens SIMATIC ET 200SP Operating Instructions Manual page 26

Connecting
4.2 Connection to electronic weighing system
①
②
③
④
⑤
⑥
⑦
⑧
Figure 4-1
Digital inputs DI.0 to DI.2
Assign to the digital inputs scale functions free and individually within the DR 7. No functions
are assigned to the inputs at the factory.
The digital inputs are not isolated from each other.
26
15 LEDs
SEN+ 1
SIG+ 3
SIG- 5
SEN- 7
EXC+ 9
EXC- 11
485+ 13
485- 15
L+
P1
P2
AUX
Backplane bus interface
MCU (microcontroller)
Ethernet sender/receiver (bus coupler)
Ethernet
Output electronics
Input electronics
External signal source for counter input CI
Filter connection supply voltage (only when
light-colored BaseUnit is present)
Principle and pin assignment
DIAG Bus ASIC
24V
4A PWR
⑨
Color identification label CCxx (optional)
⑩
RS485 device
⑪
Load cell
⑫
Filter and A/D converter
⑬
RS485 sender/receiver (bus coupler)
⑭
Write protection
⑮
Setup mode
Technology module TM SIWAREX WP351 HF
Operating Instructions, 01/2020, A5E47521010-AA
RJ45
LAN
2 DI.0
4 DI.1
6 DI.2
8 DQ.0
10 DQ.1
12 DQ.2
14 CI+
16 CI-
M