Festo CTEU-PB Electronics Description page 115

A. Technical appendix
Power supply
1)
Operating voltage bus node
– Nominal value
– Tolerance
1)
Load voltage of connected devices
– Area
Intrinsic current consumption of bus node at
DC 24 V
Load capacity of the operating and load voltage
supply
– Bus node on a connected device (e.g. valve
terminal)
– Bus node on electrical connection box, type
CAPC-...
Mains buffering time
Isolation
of fieldbus interface at V
1) Separate, external fuses are required for operating and load voltage supply.
2) Dependent on the connected device (e.g. valve terminal)
Fieldbus
PROFIBUS chip
Design
Type of transmission
Protocol
Baud rate
Cable type
I-Port signal transmission
– Internal cycle time
Festo P.BE-CTEU-PB-OP+MAINT-EN en 1208NH English
EL/SEN
Typically 4 ms for 2 bytes of user data
DC 24 V
DC 18 ... 30 V
2)
DC 18 ... 30 V
Max. 100 mA
Max. 4 A
Max. 2 A
10 ms
Galvanically isolated
VPC3+S
RS 485, floating
Serial asynchronous, half duplex
PROFIBUS DP
9.6 ... 12000 kBaud, automatic baud rate identi-
fication
Dependent on the cable length and the set field-
bus baud rate: see product documentation for
your controller
A-5