Cmmo-st-c5-1-diop Error Codes |work| -

| STO1 | STO2 | DIAG1/DIAG2 Status | Description | | :--- | :--- | :--- | :--- | | | 1 | High resistance (open) | Normal operation – Power stage is switched on. STO function is inactive. | | 1 | 0 | High resistance (open) | Single-channel failure – The STO function has been requested on a single channel. Power stage is switched off on 1 channel. Motor can no longer be operated. STO function is inactive. | | 0 | 1 | High resistance (open) | Single-channel failure – The STO function has been requested on a single channel. Power stage is switched off on 1 channel. Motor can no longer be operated. STO function is inactive. | | 0 | 0 | Low resistance (closed) | STO active – The STO function has been requested on two channels. Power stage is switched off on 2 channels. Motor can no longer be operated. The STO function is active. |

: Low-priority alerts that do not interrupt active errors. cmmo-st-c5-1-diop error codes

Before diagnosing errors, one must understand the drive’s communication layers. The “DIOP” suffix indicates a variant with direct I/O and IO-Link communication. Errors typically propagate through three channels: | STO1 | STO2 | DIAG1/DIAG2 Status |