Operation principle and hardware description 33 External control connection terminalsThe layout of the external control connection terminals on the drive module control areshown below.SLOT 1Option slot 1 (fieldbus adapter modules)ANALOG IN/OUT1…3 Analog input 1AI1 Current/Voltage selection switchfor analog input 14…6 Analog input 2AI2 Current/Voltage selection switchfor analog input 27…9 Analog outputsAO1 Current/Voltage selection switchfor analog output 110…12 Auxiliary voltage outputDIGITAL IN13…18 Digital inputsSTO34…38 Safe torque off connectionFAN2 Internal fan 2 connectionFAN1 Internal fan 1 connectionX12 Panel port (control panelconnection)X15 Reserved for internal useEFBEmbedded EIA/R5-485 fieldbusBIASS101Bias resistor switchTERMS100End termination switch29…31 Connection terminalsSLOT 2Option slot 2 (I/O extension modules)40, 41 24 V AC/DC external powerinputRO1 … R0319…21 Relay output 1 (RO1)22…24 Relay output 2 (RO2)25…27 Relay output 3 (RO3)4…6, AI27…9, AO110…1213…151…3, AI116…18X12X15SLOT 1FAN 2, FAN 134…3840, 4119…2122…2425…27SLOT 2BIAS S101TERM S100EFB
