Category: Siemens M-Prot (PPI, MPI, ISOTCP)

Question: How can an S7-200’s VD20 be read via Ethernet with M-Prot driver? Solution: To establish communication with an S7-200 CP243 via Ethernet, you must set Network field as ISOTCP243.…

Question: How can I access a bit from a memory byte from a S7-200 at E3? Solution: To do so, set a tag’s N2 parameter as 108, and its N4…

Question: Can the bit from a digital input be read? Can Bool-type tags be used? Solution: No; this can only be done indirectly. To read/write a single bit, the whole…

This driver’s current version (2.10) implements its strings in a format standardized by its manufacturer; nonetheless, it can simultaneously remain compatible with the old format via special settings. If your…

Question: Which driver must I use to communicate with S7-300 via ISO-TCP protocol and with CP-3431 card? Solution: To do so, you must use M-Prot driver.

Question: When using the M-Prot Driver with ISOTCP protocol, the driver’s manual indicates that the N1 parameter must be composed by (Rack x 100) + Slot. When using a modular …

Question: How can I configure a serial port with a Siemens’ PC Adpter 5.1 cable connected to a PLC S7-300? Solution: To do so, perform these settings in the driver’s…

Question: How many driver licenses are necessary to communicate with two PLCs via ISOTCP? Solution: To do so, you need two Driver licenses.

Question: Can MProt driver communicate with S7-200 CP243 via Ethernet? Solution: Yes, it can. To do so, just check the ISOTCP243 option in the Network field, and configure the Ethernet…