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Indicates that the equipment is suitable for direct current only; to

identify relevant terminals

Indicates that the equipment is suitable for alternating current

only; to identify relevant terminals

To identify the control by which a pulse is started.

To identify an earth (ground) terminal in cases where neither the

symbol 5018 nor 5019 is explicily required.

To identify the switch by means of which the signal lamp(s) is

(are) switched on or off.

CE marking indicates that a product complies with applicable

European Union regulations

Indicates a potentially hazardous situation which,

if not avoided, could result in death or serious injury

To indicate hazards arising from dangerous voltages

Symbology

Technical Support

How to access to the Raspberry PLC:

-Linux users: using ssh specifying the IP address: 10.10.10.20/24

(eth0) and 10.10.11.20/24 (eth1).

-Windows users: we recommend to use PuTTY ssh client. The IP

address have to be specified: 10.10.10.20/24 (eth0) and

10.10.11.20/24 (eth1).

You can download the latest release of PuTTY here:

https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html

Unused pins should not be connected. Ignoring the directive may damage the

controller. 

 

Before using this product, it is the responsibility of the user to read the

product’s User Guide and all accompanying documentation.

 

Industrial Shields PLCs must be powered between 12Vdc and 24Vdc. If a

higher voltage is supplied to the equipment can suffer irreversible damage.

 

Maintenance must be performed by qualified personnel familiarized with the

construction, operation, and hazards involved with the control. 

 

Maintenance should be performed with the control out of operation and

disconnected from all sources of power. 

 

The Industrial Shields Family PLCs are Open Type Controllers. It is required

that you install the Raspberry PLC in a housing, cabinet, or electric control

room. Entry to the housing, cabinet, or electric control room should be limited

to authorized personnel.

Inside the housting, cabinet or electric control room, the Industrial Shields

PLC must be at a minimum distance from the rest of the components of a

minimum of 25 cm, it can be severely damaged.

 

Failure to follow these installation requirements could result in severe

personal injury and/or property damage. Always follow these requirements

when installing Raspberry family PLCs. 

 

In case of installation or maintenance of the PLC please follow the

instructions marked in the Installation and Maintenance section on the User

Guide. 

 

Do not disconnect equipment when a flammable or combustible atmosphere

is present.

Disconnection of equipment when a flammable or combustible atmosphere

is present may cause a fire or explosion which could result in death, serious

injury and/or property damage.

Inside the encapsulated, there are supercapacitors if 25F which can be

dangerous. Be careful with them.

This equipment does not include galvanic isolation between the grounds of

the different systems. This means that if an external device or sensor that

shares the same ground reference (GND) with the system is connected, any

potential difference between these grounds could damage the connected

components. To avoid issues with interference, ground loops, or damage to

external equipment, ensure that all connected devices share the same

ground reference or use systems with appropriate isolation. The

recommendations in this case are:

Connection Review: Verify that all ground connections are properly

made and that there are no significant potential differences between

them.

Use of Isolation: Consider using galvanic isolators or isolation

transformers if it is necessary to connect equipment with different

ground references.

Raspberry PLC Access

UPS Shield

This PLC has integrated an UPS Shield, a device which provides an

anti-voltage drop protection system designed to avoid data

corruption when the current is suddenly cut off.

RTC

This PLC has integrated the DS3231 Real Time Clock model which is

powered by a button battery (CR1216 or CR1220).

This PLC family products include an external heater to refrigerate the

CPU and the other components connected internally.

This Ethernet port is configured at 10BT Half-Duplex auto-negotiation

disabled.

Heater

Eth1

Outputs

After a reboot/power disconnection and reconnection, the UPS will

be activated and, until the device is fully initialized again (it will take

some seconds), the outputs will maintain their last activation state.

For more information about that consult the User Guide.

Warnings

Raspberry Board

CPU

I/O control method

Programming language

Raspberry Pi 4 B

Broadcom BCM2711, Quad core Cortex-A72 (ARM

v8) 64-bit SoC @ 1.5GHz

Linux applications: Bash Scripts, Python, C++, Node-

Red and more!.

https://www.raspberrypi.org/

Combination of the cyclic scan and immediate

refresh processing methods.

Performance Specifications

Website