Bus node CPX-FB6 for modular electrical terminal CPX. Dimensions W x L x H=(* (including interlinking block), * 50 mm x 107 mm x 50 mm), Fieldbus interface=(* Sub-D socket and plug, 9-pin, * 2x M12x1, 5-pin, B-coded, * 2 x Sub-D plug for self-assembly), Device-specific diagnostics=(* Channel and module-orientated diagnostics, * - Undervoltage of modules, * - Diagnostic memory), Parameters configuring=(* - Diagnostic behaviour, * - Failsafe response, * - Forcing of channels, * - Signal setup, * - System parameter), Additional functions=(* - Acyclic data access via PCP channel, * Channel-related diagnostics via fieldbus, * Start-up parameterisation in normal text via fieldbus, * System status can be represented using process data, * Additional diagnostics interface for operator units)