IC694APU305

Overview

IC694APU305 is a GE Fanuc Serial I/O Processor Module designed for RX3i systems, providing isolated input/output processing and high-speed counting capabilities.

Power and Isolation

• Supply voltage: 5 V DC from backplane

• Supply current: 360 mA + (10 mA × number of ON faceplate outputs)

• Field I/O to logic isolation: Peak 1500 V (1 s), steady state 30 Vac/Vdc

Input Specifications

• Type: Positive logic, optically isolated

• Input impedance: 4300 Ω typical

• Input threshold: 8 V (non-TTL), 1.5 V (TTL)

• Hysteresis: 250 mV typical

• Maximum voltage: +30 V DC

• Input duty cycle: De-rate above 40°C if input voltage > 24 V DC

• Filter delays: 20 μs (Absolute/AQUADB Encoder & Preload), 10 ms (Home/IN6–8)

• Minimum strobe pulse width: 2 ms

• Strobe register resolution: 1 ms

• Maximum count rate: 30 kHz (Absolute Encoder), 200 kHz (A Quad B Encoder)

• Recommended cable: Shielded, max 30 m

Output Specifications

• Type: Positive logic, optically isolated

• Maximum supply voltage: 30 V DC

• Continuous output current: 1.0 A (outputs 1–4), 0.5 A (outputs 5–8)

• Total output current (40°C): 4.0 A

• Derating above 40°C: Outputs 1–4 → 2.0 A at 60°C; Outputs 5–8 → 0.5 A at 60°C

• Output current with 5 V supply: 20 mA typical, 2 mA minimum

• Inductive load clamp voltage: –8 V (outputs 1–4), –1 V (outputs 5–8)

• OFF state leakage current: 10 mA per output

• Output fuse: 5 A, common to all outputs

• Response time: 500 μs typical

System Integration

• Maximum modules per RX3i system: No limit

• Encoder power: Supplied by user (5 V or 10–30 V DC)

• Output and input filter selectable for specific encoder types

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