Festo CP-FB-TBOX-SUBD9 Brief Description page 16

CP-FB-TBOX-SUBD9
5.3 Connecting the operating voltage
WARNING:
Use only power supply units that guarantee reliable electrical
separation of the operating voltage to IEC 742/EN 60742/
VDE 0551 with an isolating resistance of at least 4 kV.
Switched-mode power supplies may be used if they guaran-
tee reliable separation as defined by EN 60950/VDE 0805.
The operating voltage connection provides connected CP mo-
dules with + 24 V DC. The current requirement depends on the
number and type of CP modules connected. The recommenda-
tion is:
• •
Use a regulated power supply.
• •
When selecting the power supply unit, check whether its
available power output is adequate by calculating the total
current demand of the connected CP modules (see following
table).
• •
Run the load power supply for the valve solenoids (Pin 2)
via Emergency Stop.
Pin assignment of the operating voltage connection
Pin 1: 24 V Supply
Pin 2: 24 V Load supply
16
"
!
"
!
Pin 3: 0 V
Pin 4: PE (terminal)
9710NH