7 CANopen Function and Operation

Storage

Data type

 

 

64-bit

LINT ULINT LREAL LWORD

 

 

¾If the CAN port functions as a slave, it has the following functions.

—It supports the standard CANopen protocol DS301 V4.02.

—It supports the NMT (network management object) service.

‹It supports the NMT state control.

The state of DVP-ES2-C in the CANopen network is controlled by a master.

‹It supports the NMT error control.

Heartbeat is supported, but Node Guarding is not supported.

—It supports the PDO (process data object) service.

‹The PDO message is used to transmit the immediate input data and output data.

‹It supports 8 TxPDO at most, and 8 RxPDO at most.

‹The PDO transmission type: The synchronous mode, and the asynchronous mode

—It supports the service of reading the emergency from a slave.

If an error or an alarm occurs in DVP-ES2-C, the master is notified through the emergency.

7.1.2 The Input/Output Mapping Areas

DVP-ES2-C as a master supports 16 slaves at most, and the slave node ID range from 1 to 16. The output mapping areas are D6250-D6476, and the input mapping areas are D6000-D6226.

Device in the PLC

Mapping area

Mapping

length

 

 

D6250~D6281

SDO request information, NMT service information, and

64 bytes

Emergency request information

 

 

D6000~D6031

SDO reply information, and Emergency reply

64 bytes

information

 

 

D6282~D6476

RxPDO mapping area

390 bytes

 

 

 

D6032~D6226

TxPDO mapping area

390 bytes

 

 

 

7.2The Installation and the Network Topology

This section introduces the dimensions of DVP-ES2-C, the CAN interface, the CANopen network framework, and the communication distance.

7.2.1 The Dimensions

90

98

106

110

L1

61.5

L

78

Unit: millimeter

7 - 3

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Delta DVP-ES2/EX2/SS2/SA2/SX2/SE manual Installation and the Network Topology, Lint Ulint Lreal Lword