4 function description, 1 operation, Section 4 – Pilz PSSnet GW1 MOD-CAN User Manual
Page 16: Function description, Operation
Function description
Operating Manual PSSnet GW1 MOD-CAN
1002693-EN-02
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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
4
4.1