The RAIC400 is an interface module between the Serial Process Bus and analogue input signals.

• Analog Inputs:

• Up to 32 analog inputs

• Serial Process Bus (SPBus) Interfaces:

• Dual interfaces for optional redundancy

• Electrical isolation from the control system ensured for each interface

• Installation and Connection:

• DIN standard rail-mounting

• Plug-in connections for easy installation and replacement

• Status Indication:

• Status LED for normal operation or error condition

• Loop-Check and Debugging:

• Possible from operator station and local data terminal

• Loop Current Driver:

• Short-circuit proof

• Watch-Dogs:

• Dual watch-dogs for enhanced reliability

• Fail-Safe Operation:

• Fail-safe settings activated by watch-dog in case of communication failure

• Self-Diagnostics:

• Built-in tests for self-diagnostics and fault identification

• Safety Compliance:

• Single units compliant with SIL 1 and SIL 2 standards

• Fault Detection:

• Line Fault Detection (LFD)

• Earth Fault Detection (EFD)

Technical Specifications

Analog Input:

• Number of channels: 32 current inputs

• Current input: 0-20 mA (input resistor 220 ohm)

• Current accuracy: +/- 0.2% of full scale (resistor accuracy = 0.1%)

• Current input filter: RC = 33 µs

• Digital resolution: 12 bits

• Connectors: Screw terminals, 2.5 mm²

Loop Current Driver:

• Loop driver: 1 A, short-circuit proof "High-Side" driver (HSD)

• Loop driver trip current: Approximately 1.4 A (reset by command)

• Loop driver OFF leakage: Maximum 2 mA at 24 VDC loop voltage

SPBus Interface:

• SPBus interfaces: 2

• Power supply voltage from SPBus: 10 to 28.8 VDC

• SPBus connector: 9-pin male DSUB

• SPBus isolation: 500 V (optocoupler)

• SPBus type: RS-485 (multidrop)

• SPBus frequency: Maximum 2 MHz

• SPBus signal code: Manchester encoded (self-clocked)

Dimensions:

• Height: 355 mm

• Width: 158 mm

• Depth: 87 mm

• Weight: 1.35 kg

Electrical:

• Input voltage: 24 VDC +/- 20%

• Power consumption: Maximum 21.6 W

• Connectors: Screw terminals, 2.5 mm²

Environmental Specifications:

• Ambient temperature operational: 0°C to 70°C

• Ambient temperature storage: -25°C to 70°C

• Ambient humidity operational: Up to 100% relative humidity

• Ambient humidity storage: Up to 100% relative humidity

• Heat dissipation: Maximum 10 W

• Protection standard: IP20

• EMC according to: EN50081-2, EN50082-2, EN60945, and EN61135-2

Trixie

86-135-9950-7613

Trixie@cambia.cn

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