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Table 1: Maximum number of I/O devices which can be connected to the I/O bus
Device
CANopen bus
modules CI581-CN
and CI582-CN
PROFINET bus
modules CI501-PNIO
and CI502-PNIO
EtherCAT com-
munication inter-
face module CI511-
ETHCAT and
CI512-ETHCAT
Modbus communica-
tion interface module
CI521 and CI522
Profibus (master and slave) and CM589-PNIO are available since version 2.5.0 of the
Automation Builder.
Table 2: General data of the I/O bus
Parameter
Supply voltage, signal level
Max. supply current
Type of the data interface
Bus data transmission speed
2023/03/03
WARNING!
Removal/Insertion under power
Removal or insertion under power is permissible only if all conditions for hot
swapping are fullfilled.
Ä Chapter 11.2 "Replace an I/O module with hot swap" on page 91
The devices are not designed for removal or insertion under power when the
conditions for hot swap do not apply. Because of unforeseeable consequences,
it is not allowed to plug in or unplug devices with the power being ON.
Make sure that all voltage sources (supply and process voltage) are switched
off before you
–
connect or disconnect any signal or terminal block
–
remove, mount or replace a module.
Disconnecting any powered devices while they are energized in a hazardous
location could result in an electric arc, which could create an ignition source
resulting in fire or explosion.
Prior to proceeding, make sure that power is been disconnected and that the
area has been thoroughly checked to ensure that flammable materials are not
present.
The devices must not be opened when in operation. The same applies to the
network interfaces.
Version Automation
Builder
As of V2.1.0
As of V2.1.0
As of V2.1.0
Independent from
Automation Builder
version
3ADR011074, 1, en_US
Communication within the PLC
Version firmware
All
all
As of V2.0.x
all
Value
3.3 V DC ± 10 %
On request
Synchronized serial data exchange
1.8 Mb/s
Application planning
Max. number of I/O
devices
0
10
10
10
25
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