Dnet1chconv revision 0 Single-Channel DeviceNet rs-232 Serial Gateway User’s Manual sst, a division of Woodhead Canada Limited

SST/Woodhead Connectivity DNET1CHCONV User’s Manual 05/02/18 Revision 1.0

1. Overview 4

1.1 Features 4

1.1 Typical Applications 5

1.2 Basic Operation 5

1.1.1 Polled Message 6

1.1.2 Cyclic Input Message 6

1.1.3 Change-of-State, or C.O.S. 6

1.1.4 Explicit Messages 6

2. Quick Start 6

2.1 How to Install and Establish DeviceNet Communications 7

2.2 Default Settings 7

2.3 How to Install a Serial Network 8

2.4 How to Read Serial Device Data from the DNET1CHCONV 9

2.5 How to Write Serial Output Data to the DNET1CHCONV 9

3. General Specifications 11

4. Hardware Installation and Set-Up 13

4.1 Overview 13

4.2 Mounting 13

4.3 LED Operation 14

4.3.1 DeviceNet LEDs 14

4.3.2 Serial Port LEDs 14

4.4 Serial Port Connector 15

4.5 Rotary Switches 15

4.6 DeviceNet Physical Layer Topology 17

4.6.1 Network Termination 17

4.6.2 DeviceNet Connection Wiring 17

5. SOFTWARE Configuration and Set-Up 18

5.1 Device Parameters 18

5.2 Setting up DeviceNet Communications 21

5.2.1 Setting up the Max Receive Character Buffer Length 21

5.2.2 Setting up the Max Transmit Character Buffer Length 22

5.2.3 Setting up and Using Pad Mode 22

5.2.4 Byte Swap Mode 22

5.2.5 Setting Up the Scanners I/O Sizes 23

5.2.6 Setting up the DeviceNet I/O Connections 23

5.2.7 Setting up the DeviceNet Baud rate 24

5.3 Setting Up the Serial Link 25

5.3.1 Reception Overview 25

5.3.2 Transmission Overview 25

5.3.3 Physical Layer Properties 26

5.3.4 Hardware Handshaking 26

5.3.5 The Receive Delimiter 26

5.3.6 The Transmit Delimiter 26

5.3.7 Status Byte Description 27

6. Assembly Object Formats 27

6.1 Assemblies 28

A. Theory of Operation 29

A.1 The Transmit Record Algorithm 29

A.1.1 Basic Theory of operation 29

A.2 The Receive Record Algorithm 29

A.2.1 Basic Theory of operation 29

B. DeviceNet Profile, Objects and Services 32

B.1 DNET1CHCONV DeviceNet Profile 32

B.2 Assembly Object Formats 33

B.3 Identity Object, Class 1 34

B.4 Parameter Object, Class Fhex (15dec) 35

B.5 Serial Port Object (0x70) 36

B.6 Transmit Record Object, Class 113 (0x71) 36

B.7 Receive Record Object, Class 114 (0x72) 40

B.8 Common DeviceNet Services 43

Figure 1‑1 DNET1CHCONV 4

Figure 4‑2 DNET1CHCONV Mounting and Physical Layout 14

Figure 4‑3 RS232 DB9 Connector Pin-out 15

Figure 4‑4 DeviceNet Connector – micro, male 18

Figure A‑5 Transmit Record Algorithm Functional Flowchart 29

Figure A‑6 Receive Record Algorithm Functional Flowchart 30

Table 1‑1 Implicit Message Types 6

Table 2‑2 Default Input (Serial Receive) Assembly Format 9

Table 2‑3 Default Output (Serial Transmit) Assembly Format 9

Table 4‑4 Module Status LED (labeled MS) 14

Table 4‑5 Network Status LED (labeled NS) 14

Table 4‑6 RS232 Connector Signals 15

Table 4‑7 Baud Rate Switch (BAUD) 16

Table 4‑8 DeviceNet Address Switches 16

Table 4‑9 Maximum Network Cable Lengths 17

Table 4‑10 DeviceNet Connector Pin-out 18

Table 5‑11 Configuration Parameter List 19

Table 5‑12 Serial Status Byte 27

Table 6‑13 Consume Assembly 28

Table 6‑14 Produce Assembly 28

Table B‑15 DeviceNet Objects 32

Table B‑16 Poll Produce Data (ASCII Receive String) 33

Table B‑17 I/O Consume Assembly Format (ASCII Transmit String) 33

Table B‑18 Identity Object Class Attributes (Instance 0) 34

Table B‑19 Identity Object Instance Attributes (Instance 1) 34

Table B‑20 Identity Object Common Services 34

Table B‑21 Parameter Class Attributes (Instance 0) 35

Table B‑22 Parameter Instance Attributes (Instances 1-7) 35

Table B‑23 Parameter Common Services 35

Table B‑24 Serial Port Object Instance Attributes 36

Table B‑25 Transmit Record Object Instance Attributes 37

Table B‑26 Receive Record Object Instance Attributes 40