Device
Version Automation
Builder
Version firmware
Max. number of I/O
devices
CANopen bus
modules CI581-CN
and CI582-CN
As of V2.1.0
All
0
PROFINET bus
modules CI501-PNIO
and CI502-PNIO
As of V2.1.0
all
10
EtherCAT com-
munication inter-
face module CI511-
ETHCAT and
CI512-ETHCAT
As of V2.1.0
As of V2.0.x
10
Table 184: General data
Parameter
Value
Supply voltage, signal level
3.3 V DC
±
10 %
Max. supply current
On request
Type of the data interface
Synchronized serial data exchange
Bus data transmission speed
1.8 Mb/s
Minimum bus cycle time
500
µ
s
1
)
Galvanic isolation
I/O bus is galvanic connected to CPU and
communication interface logic ciruits. Galvanic
isolation of I/O bus is I/O module specific. See
each module specification for details.
Protection against electrostatic discharge
(ESD)
TB5xx, TB56xx: with protection diodes,
no ESD discharge allowed on the port.
Max. bus length
1 m
1
) Minimum bus cycle time: This value is valid for all module combinations (from 1 to 10 I/O
modules)
Table 185: Wiring (bus connection)
Parameter
Value
Bus connection
Left-side and right-side connection from
module to module via a 10-pole HE plug (male
at the left side, female at the right side)
Mechanical connection
Established by the terminal units
Max. bus length
1 m
System assembly, construction and connection
Overall information (valid for complete AC500 product family) > Serial I/O bus
2022/01/31
3ADR010278, 3, en_US
913