Basic Slave Information
Basic information about the ESM state of a salve is available in the IEC project under "Current State".
The slave can be in one of the following states:
ESM state 8 | Operational |
ESM state 4 | Safe operational |
ESM state 2 | Pre-operational |
ESM state 1 | Init |
Additional important notes provide further information:
Current State Obtained From Slave | Current State Obtained From Slave = true The master could determine the current bus state. |
Error Indication Obtained From Slave | Error Indication Obtained From Slave = true The slave indicates an error via the AL status register. |
Sync Unit Error | Sync Unit Error = true The process data received by the slave are invalid. The slave is part of a sync unit. The process data of this sync unit was not received correctly. |