WebOB122：I/O访问错误 当系统出现故障时CPU会进入相应的中断 (寻找OB)处理，当找不到相应的OB时系统将停机，因此下载相应的空的OB可以防止CPU停机，进一步来说如果您对OB … WebJun 11, 2006 · Once OB122 is called, relevant event info are stored in DB10 and bit M30.0 is set. You'll need to reset M30.0 to trap the next error. Of course, in case, you can …

TIA Portal: OB121 - Programming Error (Handling) - YouTube

WebJun 22, 2012 · The error OB's are called when the PLC detects an error. OB121 = Programming Error OB81 = Power supply error OB122 = i/o access error OB73 = Communications error OB80 = Time error OB86 = Rack Failure OB84 = CPU hardware Fault OB30 to OB38 are cyclic interrupts. Plus many more. WebApr 20, 2010 · Open HardwareConfig. Check which IO's are configured, write them down if needed. Open OB1. View > STL. In the first network write: A Ixx.x where xx.x is an input that is NOT, I repeat, that is NOT configured in your HW-Config. Download. If the PLC goes into stop, OB122 has not been processed. If the PLC keeps running, OB122 exists within the ... how many coats of urethane should i apply

TIA Portal: OB82 - Diagnostic Error Interrupt Part 1/2 - YouTube

Web• How the CPUs work (for example, memory concept, access to inputs and outputs, addressing, blocks, data management) • Description of STEP 7 data management • Using data types of STEP 7 • Using linear and structured programming • Using block call instructions • Using the debug and diagnostic functions of the CPUs in the user program ... WebOct 9, 2024 · This parameter seems non present in S7-1500 PLC and TIA Portal. How i can do to obtain the same result of S7-300? Thanks. Giuseppe. 3. More problems with OB122 – Entries – Forum – Industry … WebApr 12, 2024 · If there is an IO access error, then the OB122 will be called! If there is no OB122, the CPU will go to STOP. There is NO fault in the OB122 but the OB122 call is the … how many cobra meetings did boris miss