The instruction of Siemens 6es7972-0cb20-0xa0 driver software. if it is not the special cable, just install the driver of chip driver, select the version according to your computer system.
2.200 series PLC need V4.0 STEP 7 MicroWIN SP9, can not low SP9. https://mlmever183.weebly.com/blog/launch-x431-manual-download. It works when all 3 indicators.the switch in STOP status first. Then:connect the computer with PLC, then seting programming software. 3.S 300 400 series PLC connection, the version must upper than 5.5. No need driver the version above 5.5.
Tips of cable using
Download Step 7 Microwin V4 0 Full
1.SIMATIC PC Adapter USB appear in Device Manager, that means the installation of driver automatically completely.no need install the driver anymore.
2.200 series PLC need V4.0 STEP 7 MicroWIN SP9, can not low SP9.
it works when all 3 indicators.the switch in STOP status first. then:connect the computer with PLC, then seting programming software.
3.S 300 400 series PLC connection, the version must upper than 5.5. no need driver the version above 5.5.
Step 7 Microwin V4.0 Sp9 Download
PLC in stop status first, and set PG/PC, select PC Adapter, and click ok then.