Description
E7 200Smart CPU Standard Edition，CPU ST40 Transistor，24DI/16DO,1*RJ45，2*RS485，3*100KHz high-speed pulse, Expandable to 6IO
General Overview
- Model Number: ST40 DC/DC/DC
- Article Number: E7 288-1ST40-0AA1
- Description: Standard CPU with a transistor type, used for control applications in industrial settings.
Physical Characteristics
- Dimensions (WxHxD): 125 mm × 100 mm × 81 mm
- Power Consumption: 18W
Electrical Specifications
- Available Current:
- SM Bus: max. 1400mA
- 24V DC: max. 300mA
- Input Voltage: 20.4V – 28.8V DC
- Input Current (CPU only, 24V DC):
- 190mA (without 300mA power output for sensors)
- 470mA (with 300mA sensor power output)
- Inrush Current (Max): 11.7A at 28.8V DC
- Sensor Voltage: 20.4V – 28.8V DC
- Isolation:
- Ethernet: Transformer isolation, 1500VDC
- RS485: No isolation
Memory and Data
- Program Memory: 24 KB
- Data Memory: 16 KB
- Retentive Memory: 10 KB (permanent data preservation)
- Bit Memory (M): 256 bits
- Cycle Interrupts: 2 in total (T32 and T96) with 1ms resolution
Built-in I/O
- Digital I/O:
- 24 Digital Inputs
- 16 Digital Outputs
- Analog I/O:
- 256-bit Input (I)
- 256-bit Output (Q)
- 56 words of Analog Input (AI)
- 56 words of Analog Output (AQ)
Expansion and Counters
- Expansion Modules: Up to 6 modules allowed
- High-Speed Counters:
- 4 single-phase counters with up to 200kHz
- 2 single-phase counters with up to 30kHz
- 2 quadrature-phase counters with up to 100kHz
- 2 quadrature-phase counters with up to 20kHz
- Pulse Output: 3 outputs with up to 100kHz
- Counters: 256 counters available
- Timers:
- Non-retained: 192
- Retained: 64
Communication Ports and Protocols
- Ethernet:
- 1 port with 10/100 Mb/s data rate
- Supports 8 clients and 8 servers via PUT/GET
- 8 active and 8 passive connections for open-type communication
- RS485:
- 2 DB9 ports (RS485)
- 1 DB board serial port (CM01-RS485-RS232)
- RS485 free port supports 1200 to 115200 b/s data transmission rates
- HMI Connections:
- 8 Ethernet connections
- 4 serial connections
- Programming (PG): 1 connection
- Data Transmission Rate:
- Ethernet: 10/100 Mb/s
- RS485: 9600, 19200, and 187500 b/s
Input Specifications (Digital)
- Number of Inputs: 24
- Input Type: Sinking/Sourcing (IEC type1 sinking, except I0.0 to I0.3)
- Allowable Continuous Voltage: Max. 30V DC
- Surge Voltage: Max. 35V DC (lasting 0.5s)
- Logic 1 Signal (Min):
- Voltage: 4V DC
- Current: 2.5mA to 15mA (depending on input range)
- Logic 0 Signal (Max):
- Voltage: 4V DC
- Current: 1mA to 5mA (depending on input range)
- Optical Isolation (Field Side and Logic Side): 500V AC lasting 1.0min
- Filter Time: Each channel can be separately selected (0.2 µs to 12.8 ms range)
Output Specifications (Digital)
- Number of Outputs: 16
- Output Type: Solid-MOSFET (source-type)
- Voltage Range: 20.4V – 28.8V DC
- Surge Current (Max): 8A, max. lasting 100ms
- Rated Current per Output: Max. 0.5A
- Switching Frequency (Max): Not specified
- Turn-on Delay:
- From disconnection to connection: 1.0 µs (Qa.0-Qa.3)
- From connection to disconnection: 3.0 µs (Qa.0-Qa.3)
- Turn-off Delay:
- From disconnection to connection: 50 µs (Qa.4-Qb.7)
- From connection to disconnection: 200 µs (Qa.4-Qb.7)
- Optical Isolation (Field Side and Logic Side): 500V AC lasting 1.0min