In the IBH OPC Editor settings dialog Rack=0 and Slot=1 must be chosen, assuming the setting has not been altered in the PLC project settings. The communication with the S7-1200 respectively S7-1500 is established with S7 connections over Ethernet. The following type of variables can be read or written from S7-1200 and S7-1500 PLCs: Order number. But libnodave has hardcoded 2.0 and failed to establish communication. TSAP is RACK.SLOT. Valid ISO connection packet is: 03 00 00 16 11 E0 00 00 43 30 00 C0 01 09 C1 02 10 00 C2 02 03 01 If you would like to refer to this comment somewhere else in this project, copy and paste the following link. The switches on the network are configured to. PLC type Siemens S7-1200/S7-1500 (Absolute Addressing) (Ethernet) PLC I/F Ethernet Port no. 2 Rack 0 CPU slot 1 On-line simulator Yes Multi-HMI connect Yes (Max:3 HMI).Connect S7-300 settings. PLC Connection Guide Support Device Type: S7-1200 data type EasyBuilder data format.

Hello!
I have a RevolutionPI and i want to read data from a S7-1200 PLC.
From Pictory, i use virtual device REVPi7 but i'm not sure to set the editor value correctly.
Values are:
PLC IP: 192.9.200.206
Local_TSAP: 0 ????
Remote TSAP: 0 ????
Conn_Type: PG
PLC Rack: 0

Libnodave S7-1200 Rack Slot Tray

PLC Slot: 1
PLC Type: S7

Libnodave S7-1200 Rack Slot Machine

Extended Data:
ACtion ID: 1
Data Direction: Read
Memory Area: ? (I need to read integer value)
DB#: The DB where i wantg to read data is DB20
Start: 1 or 40001?
Number / Size: 1 or 2 if i want to use the first integer?
Device value : Input 1

Libnodave S7-1200 Rack Slot Rack

i also tried to use Modbus Master.
The connection with PLC was OK but impossible to read any value because i cannot address a DB number using the Modbus Master.

Libnodave S7-1200 Rack Slot Wall Mount

Thank you for your help!