Wiring The Terminal Block - Siemens SIMATIC ET 200SP HA System Manual

Wiring

6.5 Wiring the terminal block

6.5 Wiring the terminal block
Connection on the slot and I/O module
The following figure shows the connections on the terminal block/terminal module and the I/O
module.
Slot of the I/O module
1- n
1
)
2
)
3
)
You can find additional information on the pin assignment of the I/O module (terminal block) in
the documentation of the I/O module.
Introduction
The following terminals are located on the terminal blocks.
● Terminals for the supply voltage
– Light-colored terminal block:
– Dark-colored terminal block: Measure the supply voltage and extend it if necessary
● Process terminals
– The signal lines of sensors and actuators must be connected to the process terminals on
86
X2
Carrier module contact of the backplane bus 1)
X3
Terminal block contact of the I/O module 2)
Terminal block
n process terminal 3)
Supply of the I/O module
Carrier module contact (max. 50 mA; max. 3.5V DC
For the terminal block contacts (for maximum voltages and currents, refer to the documentation of
the respective I/O module)
For the process terminal on the terminal block (number, maximum/permissible voltages and cur‐
rents, refer to the documentation of the respective I/O module).
Only connect the supply voltage to a terminal block of the type TB..D.
the terminal block.
Plug side of the I/O module
)
ET 200SP HA Distributed I/O system
System Manual, 08/2019, A5E39261167-AD