No. When using an NxT configuration in hot standby, both PLCs must have NxT firmware. When using a Unity Quantum hot standby configuration, only specific hot standby controllers can be used. The 140CPU43412A and 140CPU53414A PLCs are not supported in Unity Hot Standby configurations.
Legacy KB System (APS) Data: RESL212766 V1.0, Originally authored by DaSo on 10/16/2013, Last Edited by DaSo on 10/16/2013
Related ranges: Modicon Quantum