CPU ST20 DC/DC/DC

HUCEEN E5 200smart CPU ST20 DC/DC/DC

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Description

E5 200Smart CPU Basic Edition，CPU ST20 Transistor，12DI/8DO，1*RJ45，1*RS485, Expandable to 6IO

General Overview

  • Model Number: ST20 DC/DC/DC
  • Article Number: E5 288-1ST20-0AA1
  • Description: Basic Edition CPU with transistor outputs.
  • Dimensions (WxHxD): 90 mm × 100 mm × 81 mm
  • Power Consumption: 20W

Electrical Specifications

  • Available Current:
    • SM Bus: Max. 1400mA
    • 24V DC: Max. 300mA
  • Input Voltage: 20.4V – 28.8V DC
  • Input Current (CPU only):
    • Without 300mA power supply output:
      • 190mA at 24V DC
    • With 300mA power supply output:
      • 470mA at 24V DC
  • Input Current (Including CPU + Expansion Modules):
    • At 120V AC: 300mA
    • At 240V AC: 190mA
  • Inrush Current (Max): 680mA at 24V AC
  • Sensor Voltage: 11.7A at 28.8V DC
  • Isolation:
    • Input to Logic: 1500V AC (lasting 1 minute)
    • Sensor to Logic: Not isolated

Memory and Data

  • Program Memory: 12 KB
  • Data Memory: 8 KB
  • Retentive Memory: 10 KB (permanent data preservation)
  • Bit Memory (M): 256 bits
  • Cycle Interrupts: 2 (T32 and T96) with 1ms resolution
  • Counters: 256
  • Timers:
    • Non-retained (TON, TOF): 192 timers
    • Retained (holding): 64 timers

I/O Specifications

  • Built-in I/O:
    • Digital Inputs: 12 (Sinking/Sourcing type, IEC type 1 sinking)
    • Digital Outputs: 8 (Transistor, Solid-MOSFET type)
    • Analog Inputs/Outputs: None (no analog I/O)

Digital I/O Characteristics

Digital Inputs:

  • Allowable Continuous Voltage: Max. 30V DC
  • Surge Voltage (Max): 35V DC (lasting 0.5s)
  • Logic 1 Signal (Min):
    • 4V DC at 2.5mA (for most inputs)
    • 8mA for I0.0 to I0.3 and I0.6 to I0.7
  • Logic 0 Signal (Max):
    • 4V DC at 1mA (for most inputs)
    • 1mA for I0.0 to I0.3 and I0.6 to I0.7
  • Optical Isolation: 500V AC (lasting 1.0 minute)
  • Filter Time: Selectable per channel:
    • Options: 0 ms, 6.4 ms, or 12.8 ms

Digital Outputs (Solid-MOSFET, Source-type):

  • Voltage Range: 20.4V – 28.8V DC
  • Surge Current (Max): 8A (lasting up to 100ms)
  • Rated Current per Point (Max): 0.5A
  • Switching Frequency (Max): Not specified
  • Turn-on Delay (Qa.0 – Qa.3):
    • From disconnection to connection: Max. 1.0 µs
    • From connection to disconnection: Max. 3.0 µs
  • Turn-off Delay (Qa.4 – Qa.7):
    • From disconnection to connection: Max. 50 µs
    • From connection to disconnection: Max. 200 µs
  • Optical Isolation: 500V AC (lasting 1.0 minute)

Performance and Processing Time

  • Boolean Operations: 0.35 µs per instruction
  • Moving Word Operations: 1.2 µs per instruction
  • Floating Point Operations: 1.7 µs per instruction

Communications and Ports

  • Ethernet:
    • 1 Ethernet port (10/100 Mb/s)
    • Communication (PUT/GET): Supports 5 client and server connections
    • Open Type Communication: Supports 5 active and passive connections
  • RS485:
    • 1 DB9-RS485 port
    • 1 DB board serial port (CM01-RS485-RS232)
    • RS485 Free Port: Supports 1200 to 115200 b/s data transmission rates
  • HMI Connections:
    • 5 connections via Ethernet
    • 4 connections via serial port
  • Programming (PG) Connection: 1 connection

Expansion and Counters

  • Expansion Modules Allowed: Up to 6 modules
  • High-Speed Counters: 4 in total
    • Single Phase: 4 counters at 50kHz
    • Quadrature Phase: 1 counter at 30kHz
  • Pulse Output: 2 outputs at 100kHz (for pulse instructions)

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