Table of Contents
TOC–3Stellar
®
SR55 Series Soft Starter User Manual – 1st Ed, Rev F – 09/18/2019
Chapter 5: Communications� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 5–1
SR55 Communications Overview� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 5–2
Modbus Serial Communications Overview� � � � � � � � � � � � � � � � � � � � � � � � � � 5–2
Modbus TCP Network Communications Overview � � � � � � � � � � � � � � � � � � � � � 5–2
EtherNet/IP Network Communications Overview � � � � � � � � � � � � � � � � � � � � � � 5–2
Modbus Serial Communications � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 5–3
Modbus RTU Communications Interface � � � � � � � � � � � � � � � � � � � � � � � � � � � 5–3
Modbus RTU Connections � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 5–3
Modbus Communications Configuration� � � � � � � � � � � � � � � � � � � � � � � � � � � 5–4
Transmission Modes � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 5–4
Message Structure For RTU Mode � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 5–4
Supported Functions� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 5–5
Memory Map � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 5–6
Message Timing � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 5–6
Network Communications – EtherNet/IP and Modbus TCP � � � � � � � � � � � � � � � � � � � � � 5–7
Communication Module Overview � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 5–7
Module Installation – SR55-CM-ENETIP and SR55-CM-MODTCP � � � � � � � � � � � � � 5–7
SR55 Configuration � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 5–7
IP Address Configuration � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 5–7
Communication Module Front Panel Indicator Lights� � � � � � � � � � � � � � � � � � � � 5–8
Modbus TCP Network Communications� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 5–8
EtherNet/IP Network Communications � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 5–9
EtherNet/IP Control � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 5–9
EDS File � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 5–9
Using the IP Configuration Tool (IPconfig) � � � � � � � � � � � � � � � � � � � � � � � � � � 5–10
Connecting to the SR55-CM-ENET Module through I/O (Implicit Messaging) � � � � � � 5–14
Connecting to the SR55-CM-ENET Module through Explicit Message: � � � � � � � � � � 5–17
Explicit Message Instruction Examples (from Productivity Series CPU) � � � � � � � � � � 5–18
Chapter 6: Accessories� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 6–1
Optional Accessories � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 6–2
Finger Guards� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 6–2
Remote Touchscreen � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 6–3
RJ45 to RJ12 Adapter � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 6–5
Serial Modbus Communication Splitter � � � � � � � � � � � � � � � � � � � � � � � � � � � 6–5
Communication Modules � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 6–7
Replacement/Spare Parts � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 6–10
Replacement Cooling Fans � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 6–10
Replacement Touchscreen � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 6–16
Appendix A: Updating Firmware � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � A–1
Updating SR55 Firmware � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � A–2