For official firmware or setup guides for similar industrial controllers, you can sometimes find resources through the JuncAuto Download Center , though note that the JYMC series is often handled by specific machine tool manufacturers rather than general PLC providers.
: Connects to the main power supply via the emergency stop switch. jymc220bi schematic full
The AC is converted to DC. This stage often includes a large heat sink (like the JYMC-220-I For official firmware or setup guides for similar