01
OFFICIAL CPU DATA
Controller, I/O & communication profile
Siemens catalog values organized for power, memory, onboard signals, networking and installation review.
CPU designationCPU ST60 DC/DC/DC
Rated supply24 VDC
Permissible supply range20.4 to 28.8 VDC
Maximum input current710 mA at 24 VDC
Maximum inrush current11.5 A at 28.8 V
Maximum power loss20 W
Program memory30 KB
User data memory20 KB
Optional memory cardmicroSDHC
Bit operation time150 ns typical
Word operation time1.2 µs typical
Floating-point operation time3.6 µs typical
Integrated digital inputs36
Technological inputs6 high-speed counter inputs
Standard input filter0.2 to 12.8 ms, configurable
Integrated digital outputs24 transistor outputs
High-speed pulse outputs3 at 100 kHz
Rated output current0.5 A per channel
Industrial Ethernet ports1
Ethernet transmission10/100 Mbit/s with autonegotiation
Serial interfaces1 RS-485
PROFINET device capacityUp to 8 IO devices
PROFINET update time4 ms minimum
PROFINET input area128 bytes per device
RTC backup time7 days
Degree of protectionIP20
Operating temperature0 to 55°C horizontal; 0 to 45°C vertical
Storage and transport temperature-40 to 70°C
Operating humidityUp to 95%, non-condensing
Installation altitude-1000 to 2000 m
Memory typeDDR with Flash and RAM
Shielded input cable lengthMaximum 500 m; 50 m for HSC
Unshielded input cable lengthMaximum 300 m
Product dimensions175 x 100 x 81 mm
Approximate weight528.2 g
Engineering softwareSTEP 7 Micro/WIN SMART