Rockwell Stratix Layer 2 Managed switches were developed in
partnership with CISCO and are widely used in industrial
networks. They are responsible not only for the physical points of the
network articulation in ring topology that makes the communication within the
factory, but also for the management and orchestration of this complex
communication between the devices. In this post we will show some
points of the Hardware part.
The Switch is available in different number of ports, such as 20 ports:
- DIN-Rail mounted to be fitted inside an electrical panel
- 16 copper cable ports (in this example of 20 total ports):
- Physical medium: Copper
- Bandwidth: 10 or 100 Mbps
- Example of Ethernet-IP communication
protocol
- Example topology: star
- doors number: 1 to 16
- Local devices on a local VLAN network
(example IP 192.168.1.x):
- PLC
- VFD
- Remote IOs
- etc
- 2 ports for SFP (small form-factor
pluggable):
- Physical medium: SFP Copper (for distance
less than 100m) or SFP Fiber (for distance greater than 100m).
- Bandwidth : 10 or 100
Mbps
- Communication protocol example:
Ethernet-IP
- Example topology: star
- ports number: 17 and 18
- Local devices on a local VLAN network
(example IP 192.168.1.x):
- PLC
- VFD
- Remote IOs
- etc
- 2 Gigabit ports:
- Physical environment: Copper (for
distance less than 100m) or Fiber (for distance greater than 100m).
- Bandwidth : 10, 100 or
1000 Mbps
- Communication protocol example: OPC-UA
- Example topology: ring
- ports number: 1 and 2
- Industrial ring network devices
- Switches
- Servers (Supervisory)
This switch can be powered at
24VDC at two points for redundancy. Also observe the grounding points
below:
It is possible to insert an SD
card for backup:
The configuration can be done
in several ways: Express Setup (recommended) or Console.
Alarms can also be configured
and triggered through these relays. They can be used to alert power
failure, high or low temperature, software license problems or with two
external inputs.
Some of the features available depending on the model:
- CIP Sync: Protocol that allows
synchronization with high precision of the clocks of the automation
devices.
- REP (Resilient Ring Protocol): Protocol that guarantees the ring topology works, through connection between
switches.
- NAT (Network Address Translation): Method
that translates network addresses. In this case, this function is not
available for the device described in this post.
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