Connect Cables For Sensors, Actuators And Power Supply To The Connector; Selecting Connection System - Siemens Simatic CFU Commissioning Manual

Connecting

7.5 Connect cables for sensors, actuators and power supply to the connector

Digital output
Table 7-4
Wiring scheme
Table 7-5
Wiring scheme
7.5 Connect cables for sensors, actuators and power supply to the
connector
7.5.1

Selecting connection system

Terminal types
The following terminal types are available for the CFU for connecting the cables to the sensors
and actuators, or to the power supply.
● Push-in terminals
● Screw terminals
Additional information
● Section "Cable cross-sections and wire end ferrules (Page 45)"
● Section "Connecting the cable using push-in terminals (Page 46)"
● Section "Connecting cables using screw terminals (Page 47)"
● Section "Connecting the power supply to the CFU (Page 38)"
● Section "Connecting a PROFIBUS PA field device (Page 41)"
● Section "Connecting a sensor / final controlling element to the CFU (Page 42)"
● Section "Tools and tightening torques (Page 149)"
44
Wiring variant "Digital output with 1-wire interface"
Terminals
● <n>+: Output signal,
channel DQ<n>
● M: <n> ground
Wiring variant "Digital output with 2-wire interface"
Terminals
● <n>+: Output signal,
channel DQ<n>
● <n>-: Ground,
channel DQ<n>
Connection
Common ground connection for
multiple channels
● Internally
or
● Externally connected
Connection
Ground connection to the chan‐
nel of the CFU
Commissioning Manual, 07/2018, A5E39252870-AC
SIMATIC CFU