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321 Studios DVP-0204520-03 DeviceNet Network Scanner DVPDNET-SL 6 Bit-Strobe Command

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DeviceNet Network Scanner DVPDNET-SL

6 Bit-Strobe Command

6.1 Principle of Bit-Strobe

Bit-strobe is one of the standard I/O transmission methods for DeviceNet. The length of command is fixed to 8

bytes (i.e. 64 bits), and every bit corresponds to a slave.

Corresponding nodes on the network

PLC

device b15 b14 b13 … b1 b0

D6282 Node 15 Node 14 Node 13 … Node 1 Node 0

D6283 Node 31 Node 30 Node 29 … Node 17 Node 16

D6284 Node 47 Node 46 Node 45 … Node 33 Node 32

D6285 Node 63 Node 62 Node 61 … Node 49 Node 48

When b0 of D6282 = 0, the node 0 equipment will be selected, and it will need to respond with a message to

the master. When b0 and b1 of D6282 = 0, the node 0 and node 1 equipment will be selected, and they will be

to respond with a message to the master.

b0b1b17 b15 b14b30 b2b18 b16b31

D8283

Node 0

Node 1

Node 2

Node 14

D6282

In the bit-strobe mode, the master will not send control data to the slave node. However, when its

corresponding bit is set to 0, the slave node will have to respond with I/O data to the master. When its

corresponding bit is set to 1, the slave node will not have to respond with I/O data to the master.

DVP-PLC Operation Manual

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Contents

Main DeviceNet Network Scanner Operation Manual DeviceNet Network Scanner DVPDNET-SL Warning Table of Contents Page DeviceNet Network Scanner DVPDNET-SL 1 Introduction 1.1 Features 1.2 Basic Functions of DVPDNET-SL DVPDNET-SL DeviceNet Network Scanner can be used both as a master or a slave in DeviceNet. When When being used as a slave, it supports the following functions: 1.3 Specifications PLC that DVPDNET-SL supports DeviceNet Interface DeviceNet Communication Environment DeviceNet Network Scanner DVPDNET-SL 2 Product Profile & Outline 2.1 Dimension 2.2 Product Profiles 2.3 DeviceNet Connection Port 2.4 Address Switch 2.5 Function Switch 2.6 Digital Indicator 2.7 Extension Port DeviceNet Network Scanner DVPDNET-SL 3 Installation 3.1 Connecting DVPDNET-SL to DVP-SV MPU 35mm DIN rail 3.2 Installing DVPDNET-SL and DVP-SV MPU on DIN Rail Page DeviceNet Network Scanner DVPDNET-SL 4 Configuration of DVPDNET-SL 4.1 Configuration through DeviceNet Builder Software 4.1.1 Selection of Communication Channel 4.1.2 Setup of Scan Module 4.1.3 Setup of Scan List 4.1.4 Input Table and Output Table 4.2 Data Mapping Areas 4.3 I/O Mapping Table (as master mode) 4.4 I/O Mapping Table (as slave mode) DeviceNet Network Scanner DVPDNET-SL 5 Sending Explicit Message from Ladder Diagram 5.1 The Principle of Explicit Message Sending 5.2 Structure of Explicit Message Page Page Page Page Page Page DeviceNet Network Scanner DVPDNET-SL 6 Bit-Strobe Command 6.1 Principle of Bit-Strobe DeviceNet Network Scanner DVPDNET-SL 7 Display of Node Status on Network 7.1 Display of Node Status in Scan List 7.2 Status of DVPDNET-SL DeviceNet Network Scanner DVPDNET-SL 8 Setup of Slave Mode DVP28SV DVPDNET-SL Device Net Builder Page DeviceNet Network Scanner DVPDNET-SL 9 Setup of Extended Baud Rate 9.1 Setup of Extended Baud Rate (as master mode) DVP28SV DVPDNET-SL Device Net Builder Page 9.2 Setup of Extended Baud Rate (as slave mode) Page Page DeviceNet Network Scanner DVPDNET-SL 10 Application Example on Constructing DeviceNet Network 10.1 How to Construct a DeviceNet Network 10.2 How to Configure Network by DeviceNet Network Configuration Tool Page Page Page Page 10.3 Ladder Diagram Program Explanation of PLC Program DeviceNet Network Scanner DVPDNET-SL 11 LED Indicator & Trouble-shooting DVPDNET-SL supports two diagnostic methods: indicator diagnosis and digital displayer diagnosis. 11.1 LED Indicator Diagnosis POWER LED NS LED 11.2 Digital displayer diagnosis