ABB P8821 DC digital input module

Product manual:

Product Features
Multi channel digital input:
Provide 16 or 32 channels of DC digital signal input.
Supports normally open and normally closed contact signals, suitable for different types of digital devices.
Wide input voltage range:
The input voltage range is flexible and can support common industrial voltages such as DC 12V, 24V, 48V, etc.
High isolation design:
The channel and system have electrical isolation of over 1500V to ensure stable signal transmission and reduce electromagnetic interference.
Fast response and anti-interference:
Short response time (typical value ≤ 1ms), meeting high real-time control requirements.
Built in filtering and debounce functions ensure the accuracy of signal acquisition.
Status indication and diagnosis:
Each input channel is equipped with LED indicator lights for displaying signal status.
Provide diagnosis of open circuit and short circuit faults for easy maintenance and repair.
Modular design:
Support hot swapping, convenient for replacement and expansion.
Standard DIN rail or rack installation, suitable for industrial environment integration.
Communication and compatibility:
Supports mainstream industrial communication protocols such as Modbus, CANopen, Profibus, etc.
It can be seamlessly integrated with various control systems such as PLC and DCS.
technical parameter
Parameter specifications
Number of input channels: 16 channels or 32 channels
Input voltage range DC 12V, 24V, 48V
Typical input current value: 5-10mA
Response time ≤ 1ms
Isolation voltage channel to system ≥ 1500V
Power consumption ≤ 5W
Working temperature range -20 ° C~+70 ° C
Storage temperature range -40 ° C~+85 ° C
Humidity range 5%~95% (non condensing)
Installation method: DIN rail or 19 inch rack installation

Product details picture:

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