Rockwell-automation 1769-SM2 Compact I/O DSI/Modbus Communication Modu Manual de usuario Pagina 17
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Getting Started 1-5
In Multi-Drive mode, any channel can be configured for “RTU Master”
operation (Figure 1.4). This enables connection of up to 31 RTU Slave
devices, such as PowerFlex 7-Class drives with 20-COMM-H RS485
HVAC adapters.
Figure 1.4 Multi-Drive Mode and Modbus RTU Master Mode Wiring Example
120 ohm, ¼ Watt
Terminating Resistor
AK-U0-RJ45-TB2P
Terminal Block
Connectors
AK-U0-RJ45-TB2P
Terminal Block
Connectors
MODULE
CH1
CH2 CH3
C
H
1
C
H
2
C
H
3
1769-SM2
Module
CH3 - Modbus RTU Master Mode (up to 31 Devices)
CH1 - Multi-Drive Mode (up to 5 PowerFlex 4-Class Drives)
CH2 - Multi-Drive Mode (up to 5 PowerFlex 4-Class Drives)
120 ohm, ¼ Watt
Terminating Resistor
120 ohm, ¼ Watt
Terminating Resistor
CH1
CH2
CH3
User-Supplied Wire (recommend
Belden No. 3105A or equivalent)
User-Supplied Wire (recommend
Belden No. 3105A or equivalent)
User-Supplied Wire (recommend
Belden No. 3105A or equivalent)
Ground Wire Connection
(for network
communication
cable shielding)
Earth Ground
Connection
PowerFlex 7-Class Drives
with 20-COMM-H RS485 HVAC
Communication Adapters
Generic
Modbus RTU
Device
. . .
Wiring Tip:
The 1769-SM2 has an
integral terminating
resistor for each channel.
Thus, it is only necessary
to connect a terminating
resistor to the RJ45
terminal block at the last
drive on each channel.
- PowerFlex 1769-SM2 1
- Compact I/O DSI/Modbus 1
- Communications Module 1
- Important User Information 2
- Summary of Changes 3
- Table of Contents 5
- About This Manual 9
- Rockwell Automation Support 10
- P-4 About This Manual 12
- Getting Started 13
- Features 14
- Powerflex 4-Class Drives 15
- 1769-SM2 15
- Getting Started 1-5 17
- HVAC adapters 17
- Compatible Products 18
- Required Equipment 18
- Safety Precautions 19
- Quick Start 21
- Status Indicators 22
- Installing the Module 23
- Removing Power 24
- Mounting the Module 28
- Installing the Module 2-7 29
- ±0.4 mm (0.016 in.) 29
- DIN Rail Mounting 30
- Single Mode 32
- Grounding the Module 34
- To Drive 1 To Drive 2 35
- Network Cable Strain Relief 36
- Applying Power 36
- 2-16 Installing the Module 38
- Configuring the Module 39
- Configuration Tools 40
- Configuration Methods 41
- Controller Mode 41
- Before v6.30 42
- Parameter Mode 50
- DIAG PA R AM DSEL MEM SEL 51
- DIAG PARAM DSEL MEM SEL 51
- VALUE LIMITS SEL 51
- Changing the Idle Action 53
- Setting the RTU Baud Rate 55
- Selecting the RTU Format 55
- Setting the RTU Rx Delay Time 56
- Setting the RTU Tx Delay Time 56
- Resetting the Module 58
- Configuring the Module 3-21 59
- Flash Updating the Module 60
- Understanding the I/O Image 61
- Module Control Word 62
- Module Status Word 63
- Using Logic Command/Status 64
- Using Reference/Feedback 64
- Chapter 5 65
- Formatting Explicit Messages 66
- PowerFlex 4/40 Drives 82
- MicroLogix 1500 Controller 82
- CompactLogix Example Ladder 103
- Programs 103
- PowerFlex 40 Settings 104
- 1769-SM2 Settings 104
- CompactLogix Example Program 106
- Read Message (Rung 14) 109
- Write Message (Rung 17) 110
- Multi-Drive Mode 112
- PowerFlex 70 Setting 113
- 20-COMM-H Settings 114
- CH1 Drive 0: 123
- Modbus RTU operation 124
- Example Ladder Program 131
- Using RSLinx Classic 132
- Using RSNetWorx for DeviceNet 133
- Setting Up the 1769-ADN 134
- Example Program Data Table 151
- Troubleshooting 153
- MODULE Status Indicator 154
- CH1…CH3 Status Indicators 155
- Troubleshooting 9-5 157
- Viewing and Clearing Events 158
- Troubleshooting 9-7 159
- 9-8 Troubleshooting 160
- Specifications 161
- Environmental 162
- Regulatory Compliance 162
- DSI Cable Requirements 162
- Module Parameters 163
- B-2 Module Parameters 164
- Module Parameters B-3 165
- B-4 Module Parameters 166
- Module Parameters B-5 167
- B-6 Module Parameters 168
- Module Parameters B-7 169
- B-8 Module Parameters 170
- CIP/DSI Objects 171
- Supported Data Types 172
- CIP Identity Object 173
- CIP Parameter Object 174
- Instance Attributes 175
- (Continued) 175
- Services 176
- DSI Device Object 177
- DSI Device Object (Continued) 178
- DSI Parameter Object 180
- Descriptor Attributes 182
- CIP/DSI Objects C-13 183
- DSI Fault Object 184
- DSI Fault Object (Continued) 185
- DSI Diagnostic Object 186
- C-18 CIP/DSI Objects 188
- Command/Status Words 189
- Logic Status Word 190
- Glossary 191
- F Flash Update 192
- I Idle Action 193
- L Logic Command/Logic Status 193
- N NVS (Non-Volatile Storage) 193
- O Objects 193
- R Reference/Feedback 194
- S Scanner 195
- Z Zero Data 195
- Glossary-6 196
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