Master backupYes
Weight, approx.30 g
Cycle time, min.2 ms; dynamic, depending on user data length
Power loss, typ.1 W
Rated value (DC)24 V
Number of ports4
usable BaseUnitsBU type A0
Number of outputs4
Transmission rate4.8 kBaud (COM1); 38.4 kBaud (COM2), 230.4 kBaud (COM3)
Automatic encodingYes
IO-Link protocol 1.0Yes
IO-Link protocol 1.1Yes
Isolation tested with707 V DC (type test)
Current consumption, max.45 mA; without load
Product type designationCM 4 x IO-Link ST
Cable length unshielded, max.20 m
Configuration without S7-PCTYes
Reverse polarity protectionYes
Memory size for device parameter2 kbyte; for each port
permissible range, lower limit (DC)19.2 V; 20.5 V if IO-Link is used, as the supply voltage for IO-Link devices has to be at least 20 V at the master.
permissible range, upper limit (DC)28.8 V
Size of process data, input per port32 byte; max.
Size of process data, output per port32 byte; max.
Size of process data, input per module144 byte; max.
— global warming potential, (total) [CO2 eq]25.2 kg
Size of process data, output per module128 byte; max.
Color code for module-specific color-coded labelCC04
power supply according to NEC Class 2 requiredNo
— global warming potential, (during operation) [CO2 eq]19.4 kg
— global warming potential, (during production) [CO2 eq]6.15 kg
— Against chemically active substances acc. to EN 60654-4Yes; Class 3 (excluding trichlorethylene)
— global warming potential, (after end of life cycle) [CO2 eq]-0.289 kg
— to chemically active substances according to EN 60721-3-3Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
— to chemically active substances according to EN 60721-3-6Yes; Class 6C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
— to biologically active substances according to EN 60721-3-3Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request
— to biologically active substances according to EN 60721-3-6Yes; Class 6B2 mold and fungal spores (excluding fauna); Class 6B3 on request
— to mechanically active substances according to EN 60721-3-3Yes; Class 3S4 incl. sand, dust, *
— to mechanically active substances according to EN 60721-3-6Yes; Class 6S3 incl. sand, dust; *
— Resistant to commercially available coolants and lubricantsYes; Incl. diesel and oil droplets in the air
— Against mechanical environmental conditions acc. to EN 60721-3-3Yes; Class 3M8 using the SIPLUS Mounting Kit ET 200SP (6AG1193-6AA00-0AA0)
— Against mechanical environmental conditions acc. to EN 60721-3-6Yes; Class 6M4 using the SIPLUS Mounting Kit ET 200SP (6AG1193-6AA00-0AA0)
— Environmental conditions for process, measuring and control systems acc. to ANSI/ISA-71.04Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)
— Note regarding classification of environmental conditions acc. to EN 60721, EN 60654-4 and ANSI/ISA-71.04* The supplied plug covers must remain in place over the unused interfaces during operation!