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4 function description, 1 operation, Section 4 – Pilz PSSnet GW1 MOD-CAN User Manual

Page 16: Function description, Operation

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Function description

Operating Manual PSSnet GW1 MOD-CAN
1002693-EN-02

16

Function description

Operation

The Gateway

}

operates as a protocol converter between Modbus/TCP and

CANopen,

}

operates on the Modbus/TCP side as connection Server and on the

CANopen-side as

Slave,

}

Uses an LED to indicate whether there is data traffic via the connection

}

Uses an LED to indicate the interface used for this data traffic

}

If the connection to

CANopen or to Modbus/TCP is no longer available, the payload is

retained with the current values

}

is exclusively designed for exchanging non-safety-related data

The Gateway is interposed in the data flow between the connected devices.

Protocol conversion, Modbus/TCP to CANopen

}

Signal path from CANopen-enabled product to Modbus/TCP-enabled product:

CANopen-enabled product -> CANopen interface on the Gateway -> Protocol con-

version -> Data input/output Modbus/TCP interface -> Modbus/TCP-enabled prod-
uct

}

Signal path from Modbus/TCP-enabled product to CANopen-enabled product:

Modbus/TCP-enabled product -> Data input/output Modbus/TCP interface -> Pro-

tocol conversion -> CANopen interface on the Gateway -> CANopen-enabled
product

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