Description
The Emerson 8220-DI-IS module is part of the PAC8000 series, providing intrinsically safe digital input capability for process industries. It is engineered for Zone 1/Division 1 hazardous environments, offering reliable signal acquisition from switches and proximity detectors while ensuring compliance with intrinsic safety standards.
Specifications
- Manufacturer: Emerson
- Model / Part Number: 8220-DI-IS
- Input Channels: 16 single-ended intrinsically safe inputs
- Input Type: Switches or NAMUR proximity detectors (DIN 19234 compliant)
- Supply Voltage: 7–9 V DC to sensors
- On/Off Current: ON > 2.1 mA, OFF < 1.2 mA
- Switching Hysteresis: ~200 μA nominal
- Output (Wetting) Current: >6 mA @ 100 Ω line impedance
-
Fault Detection:
- Short circuit <100 Ω
- Open circuit >90 kΩ
- Input Filter: Configurable (fast, slow, or user-defined 0–512 ms in 3 ms steps)
- Pulse Counting Mode: Max frequency 20 Hz, min pulse width 45 ms
- Current Consumption (System): ~350 mA
- Compliance: NAMUR, DIN 19234, ATEX Zone 1/Division 1
Features
- Intrinsic Safety: Certified for hazardous area installations (Zone 1/Division 1)
- High Channel Density: 16 inputs per module for efficient I/O integration
- Advanced Diagnostics: Detects open and short-circuit field wiring conditions
- Flexible Filtering: Adjustable input filter for noise immunity and signal stability
- Modular Design: Part of PAC8000 modular I/O system for scalable applications
- Rugged Construction: Resistant to extreme temperatures, humidity, and vibration
- Compatibility: Works with PAC8000 carriers and bus interface modules
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