Huceen

E7 200Smart CPU Standard Edition，CPU SR20 Relay，12DI/8DO,1*RJ45，2*RS485, Expandable to 6IO 

CPU SR20 AC/DC/RLY Specifications

Model No: SR20 AC/DC/RLY
Article No: E7 288-1SR20-0AA1
Description: Standard CPU SR20, Relay
Conventional Norm: Not specified
Dimensions (WxHxD): 90 × 100 × 81 mm
Power Consumption: 14W
Available Current (SM Bus): Max. 1400mA
Available Current (24V DC): Max. 300mA

CPU Features

• Program Memory: 12 KB
• Data Memory: 8 KB
• Retentive Memory: 10 KB
• Data Preservation: Permanent
• Built-in I/O: 12 Digital Inputs / 8 Digital Outputs
• Process Image Size: 256-bit Input (I) / 256-bit Output (Q)
• Analog Image: 56 words Input (AI) / 56 words Output (AQ)
• Expansion Modules Allowed: Up to 6 modules
• High-Speed Counters (Total): 6 total (4 @ 200KHz + 2 @ 30KHz)
• Pulse Output: None
• Timer: 192 Non-Holding (TON, TOF), 64 Holding
• Counters: 256
• Bit Memory (M): 256 bits
• Cycle Interrupt: 2 total, T32 and T96 (1ms resolution)
• Interrupt Edge: 4 Up and 4 Down
• Real-Time Clock: 7 days (at 25°C, minimum 6 days)
• Memory Card: Supported
• Signal Expansion Board: Supported

Performance/Processing Time:

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

Communications Built-in

• Ports:
  • Ethernet: 1
  • Serial Ports: 2 (DB9-RS485)
  • DB Board Serial Port: 1 (CM01-RS485-RS232)
• HMI Connections:
  • Ethernet: 8 connections
  • Serial Port: 4 connections
• Programming (PG): 1 connection
• Ethernet (CPU PUT/GET): 8 clients and 8 servers connections
• Open Type Communication: 8 active and 8 passive connections
• Data Transmission Rate:
  • Ethernet: 10/100 Mb/s
  • RS485 System Protocol: 9600, 19200, 187500 b/s
  • RS485 Free Port: 1200 to 115200 b/s
• Isolation:
  • Ethernet: 1500VDC Transformer isolation
  • RS485: None
• Cable Type:
  • Ethernet: CAT5e Shielded cable
  • RS485: PROFIBUS Network cable

Power

• Input Voltage: 85-264VDC
• Input Current (CPU Only):
  • 130mA at 120V AC (without 300mA sensor supply)
  • 250mA at 120V AC (with 300mA sensor supply)
  • 80mA at 240V AC (without 300mA sensor supply)
  • 150mA at 240V AC (with 300mA sensor supply)
• Inrush Current (Max): 9.3A at 264VDC
• Sensor Voltage: 20.4-28.8VDC
• Isolation:
  • Input to Logic: 1500VAC, 1 minute
  • Sensor to Logic: Not isolated

Digital Input

• Number of Inputs: 12
• Input Type: Sinking / Sourcing type (IEC type 1 sinking)
• Allowable Continuous Voltage: Max. 30VDC
• Surge Voltage (Max): 35V DC for 0.5s
• Logic 1 Signal (Min): 15V DC (2.5mA current)
• Logic 0 Signal (Max): 5V DC (1mA current)
• Optical Isolation: 500V AC for 1 minute (field side and logic side)
• Filter Time: Each channel can be separately selected (0.2 µs, 0.4 µs, 0.8 µs, 1.6 µs, 3.2 µs, 6.4 µs, 12.8 µs; 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms, 12.8 ms)

Digital Output

• Number of Outputs: 8
• Output Type: Relay, dry contact
• Voltage Range: 5-30VDC or 5-250VAC
• Surge Current (Max): 7A when power on
• Rated Current per Point (Max): 2.0A
• Switching Frequency (Max): Not recommended
• Turn-on Delay: Up to 10ms (Qa.0 to Qa.3)
• Turn-off Delay: Up to 10ms (Qa.4 to Qa.7)
• Optical Isolation: 500V AC for 1 minute (field side and logic side)
• Contact Lifetime:
  • Non-loaded: 10,000,000 cycles
  • Rated Load: 10,000 cycles

This text should give a comprehensive view of the specifications for the CPU SR20 AC/DC/RLY model, clearly organized in sections. Let me know if you need further information or adjustments!