KB-33868: Communicating with S7-200 via PPI.
Question: How can I establish communication with an S7-200 PLC via PPI? Solution: To establish communication with an S7-200 PLC via PPI, you must use version 2.09 (or higher) of…
KB-34924: Reading a VD in an S7-200 via Ethernet.
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.…
KB-34883: Sending SMS messages via E3.
Question: Is there a driver to send SMS messages via E3? Solution: Yes, there is. To do so, you can use the driver Siemens M20. If you are not equipped…
KB-32176: Accessing a bit from a memory byte from a S7-200 at E3.
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…
Reading and writing bits with M-Prot driver.
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…
KB-28227: Settings for Omron FINS driver.
Question: What settings are required to establish communication between Omron FINS driver and a PLC? Solution: In the example below, the PLC’s model is CJ1M – CPU13-ETN. This CPU’s model…
KB-31949: Reading negative numbers with FINS driver.
Question: How can I set FINS driver to read negative numbers? Solution: According to the driver’s manual, N2 parameter’s format is TANN. In this case (N2=0111), data type is either…
KB-27186: Communicating with PLC S7200 via USB serial converter.
Question: How can I establish communication with a PLC S7200 by using a USB serial converter? Solution: To do so, since the driver will always keep its parity as EVEN,…
KB-33506: Secret Number.
Question: How can I obtain the Secret Number to be used with driver M20? Solution: To do so, you must send the device’s serial number to technical support. They will…
KB-28454: Communicating with Omron PLC via RS 422/485 network.
Question: Can four CP1H be interconnected on a network, via a single driver, with Host Link protocol? Solution: Yes, via Omron FINS driver on a RS 422/485 network.