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8/6/2011 10:23 AM | |
Joined: 1/28/2009 Last visit: 9/10/2024 Posts: 6849 Rating: (1365) |
Hi Follow the instructions in this FAQ to know how to utilize MRES. How do you reset a SIMATIC S7-300 CPU and MMC (default reset or overall reset)? Also to know the meaning of LED on CPU31X check chapter 2 of following manual."Operators controls and indicators" SIMATIC S7-300 CPU 31xC and CPU 31x: Technical specifications And Chapter 10 of the following manual:"Debugging functions,diagnostics and troubleshooting"-->section 10.8 Diagnostics using status and error LEDs SIMATIC S7-300 CPU 31xC and CPU 31x: Installation Best regards |
Last edited by: hdhosseini at: 8/6/2011 10:27 AM |
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8/6/2011 10:23 AM | |
Joined: 4/19/2008 Last visit: 9/3/2024 Posts: 1525 Rating: (159) |
Hi vadivel, LED designation Color Meaning SF red Hardware fault or software error MAINT yellow Maintenance demanded (without function) DC5V green 5 V power supply for CPU and S7-300 bus is OK FRCE yellow LED is lit: Active force job LED flashes at 2 Hz: Node flash test function RUN green CPU in RUN mode The LED flashes during start-up at a rate of 2 Hz, and in mode at 0.5 Hz STOP yellow CPU in STOP, or HOLD or start-up The LED flashes at a rate of 0.5 Hz when a memory reset is requested, and at 2 Hz during the reset. Also Have a look on the Manual SIMATIC S7-300 CPU 31xC and CPU 31x: Technical specifications |
Last edited by: Ammy at: 8/6/2011 10:23 AMAmmy |
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