Siemens S7 Nodes
Communicate with Siemens S7-300, S7-400, S7-1200, and S7-1500 series PLCs through dedicated read and write nodes optimized for deterministic industrial control.
Configuration Quick Reference
| Field | What you choose | Details |
|---|---|---|
| Parameters | Connection, Function, Function Parameters, optional Timeout | Select the S7 connection profile, target area (DB, I/O, markers), and data definitions. |
| Settings | Retry on Fail, On Error, Notes, Display Note In Pipeline | Configure retry behavior, error routing, and operator notes on the canvas. |
S7 Read Node
S7 Read Node
Read data from Siemens PLC data blocks and memory areas.
Supported Function Types:
| Function Name | Purpose | Common Use Cases |
|---|---|---|
| Read Data Blocks | Fetch structured values from DB areas | Recipes, production counters, configuration |
| Read Memory Areas | Poll inputs, outputs, markers, timers, counters | Interlocking, diagnostics, status dashboards |
S7 Write Node
S7 Write Node
Write deterministic control values to Siemens PLC data blocks or memory.
Supported Function Types:
| Function Name | Purpose | Common Use Cases |
|---|---|---|
| Write Data Blocks | Persist structured data into DB areas | Download production orders or recipes |
| Write Memory Areas | Manipulate I/O, markers, timers, counters | Force outputs, toggle sequences, command transitions |