BCU-12

Description

The ABB Control Unit BCU-12 3AUA0000110430 is a compact and reliable control unit for industrial automation systems.

Power Supply

• Voltage (XPOW): 24 V DC (±10%), 2 A

• External input: Supported

• Redundancy: Dual power supply connection

Relay Outputs

• RO1–RO3 (XRO1…XRO3): 250 V AC / 30 V DC, 2 A

• Protection: Varistors

• Load capacity: 4.8 W (200 mA / 24 V) minus DIO1/DIO2 load

• +24 V Output: Terminals XD24:5 and XD24:7

Digital Inputs

• Channels: DI1…DI6 (XDI:1…XDI:6)

• Logic levels: “0” < 5 V, “1” > 15 V

• Input resistance: 2.0 kΩ (DI1…DI5)

• Types: NPN/PNP (DI1…DI5), PNP (DI6)

• Filtering: Hardware 0.04 ms, digital up to 8 ms

• Max input current: 15 mA (DI1…DI5), 5 mA (DI6)

• Start interlock (DIIL, XDI:7): Same characteristics as DI1…DI5

Analog Inputs

• Channels: AI1 and AI2 (XAI:4…XAI:7)

• Current input: -20…20 mA, Rin = 100 Ω

• Voltage input: -10…10 V, Rin > 200 kΩ

• Mode selection: Current/voltage via switches

• Type: Differential, ±30 V common mode

• Sampling interval: 0.25 ms per channel

• Filtering: 0.25 ms hardware

• Resolution: 11-bit + sign

• Accuracy: ±1% of full scale

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