Emerson RSTi-OM - Page 4

RSTi-OM User Manual Warnings and Cautions
GFK-3212A Jun 2021
Contents iii
Section 11: PROFINET IO Reference Information ................... 102
11.1 Read PDI Data of IO-Link Device in PLC ............................................................. 102
11.2 Write PDO Data to IO-Link Device From PLC ..................................................... 104
11.3 Diagnostic Alarm ............................................................................................. 106
11.3.1 IO-Link Event Mapping Overview ........................................................... 106
11.3.2 IO-Link EventCode Mapping................................................................... 106
Section 12: Modbus/TCP Interface ........................................ 109
12.1 Modbus Function Codes .................................................................................. 110
12.2 Modbus Address Definitions ............................................................................ 110
12.2.1 Port Models ........................................................................................... 112
12.3 Multiple Port Process Data (PDI/PDO) Access via Modbus/TCP ......................... 113
Section 13: MQTT Interface .................................................. 115
13.1 MQTT Settings Configuration Page .................................................................. 116
13.2 Process Data Publish Interval ........................................................................... 117
13.3 Topics and Payloads ........................................................................................ 117
13.3.1 MqttTopicBase/clientinfo ...................................................................... 117
13.3.2 MqttTopicBase/clientstatus .................................................................. 117
13.3.3 MqttTopicBase/port/n/status ................................................................ 118
13.3.4 MqttTopicBase/port/n/deviceinfo ......................................................... 119
13.3.5 MqttTopicBase/port/n/event................................................................. 120
13.3.6 MqttTopicBase/port/n/pdi .................................................................... 120
13.3.7 MqttTopicBase/port/n/pdo ................................................................... 121
13.3.8 MqttTopicBase/port/n/auxin ................................................................. 121
13.3.9 ISDU Read/Write ................................................................................... 122
13.4 ISDU Request Payload ...................................................................................... 122
13.5 ISDU Response Payload ................................................................................... 123
13.6 PDO Write ....................................................................................................... 124
13.7 MQTT Settings Parameters .............................................................................. 126
13.8 Configuring MQTT ........................................................................................... 127
Section 14: Functionality Descriptions ................................. 128
14.1 Process Data Block Descriptions ...................................................................... 128
14.1.1 Input Process Data Block Description ..................................................... 128
14.1.2 Input Process Data Block-8 Bit Data Format ........................................... 129
14.1.3 Input Process Data Block-16 Bit Data Format ......................................... 130
14.1.4 Input Process Data Block-32 Bit Data Format ......................................... 130
14.1.5 Output Process Data Block Description .................................................. 130
14.1.6 Output Process Data Block-8 Bit (SINT) Data Format .............................. 131
14.1.7 Output Process Data Block-16 Bit (INT) Data Format ............................. 131
14.1.8 Output Process Data Block-32 Bit (DINT) Data Format ........................... 132
14.2 Event Handling ................................................................................................ 133
14.2.1 Clear Event After Hold Time Process ...................................................... 133
14.2.2 Clear Event in PDO Block Process ........................................................... 134
14.2.3 Clear Event Code in PDO Block and Clear Event After Hold Time Process-
PDO Block First ...................................................................................... 134