24 Introduction to the manual
I/O Input/Output
CCU-12 Drive control unit. As standard, the external I/O control signals are connected to the control
unit, or optional I/O extensions mounted on it.
CEIA-01 Embedded EIA-485 fieldbus adapter module
CHDI-01 Optional 115/230 V digital input extension module
CMOD-01 Optional multifunction extension module (external 24 V AC/DC and digital I/O extension)
CMOD-02 Optional multifunction extension module (external 24 V AC/DC and isolated PTC interface)
CPTC-02 Optional ATEX-certified thermistor protection module
R10, R11 Frame size designation of the drive
STO Safe torque off
Term/
Abbreviation
Explanation