Allen Bradley 1769-L32C CompactLogix ControlNet Processor

Description

The Allen‑Bradley 1769‑L32C is a CompactLogix controller equipped with ControlNet communication capability. It provides RS‑232, NAP, and ControlNet Channel A interfaces for deterministic industrial networking. The controller supports up to sixteen 1769 I/O modules across three banks and includes 750 KB user memory with CompactFlash nonvolatile storage options.

Specifications

• Manufacturer: Rockwell Automation / Allen‑Bradley
• Part Number: 1769‑L32C
• Communication Ports: RS‑232, NAP, ControlNet Channel A
• User Memory: 750 KB
• Nonvolatile Memory: 1784‑CF64 or 1784‑CF128
• Max I/O Modules: 16 modules
• Max I/O Banks: 3 banks
• Backplane Current: 650 mA at 5V DC; 40 mA at 24V DC
• Power Dissipation: 4.21 W
• Power Supply Distance Rating: 4 slots
• Battery: 1769‑BA
• Programming Cable: 1747‑CP3 or 1756‑CP3
• Wiring Category: Category 2 on communication ports
• Wiring Connectors: 1 BNC connector, 1 NAP (1786‑CP cable)
• Isolation Voltage: 30V continuous; type‑tested at 710V DC for 60 s
• Enclosure Rating: None (open‑style)
• Mounting: DIN‑rail or panel mount
• Weight: 0.32 kg (0.70 lb)

Environmental Ratings

• Operating Temperature: 0…60 °C
• Storage Temperature: −40…85 °C
• Relative Humidity: 5…95% non‑condensing
• Vibration: 5 g @ 10…500 Hz
• Shock: Operating 20–30 g; Non‑operating 30–40 g
• ESD Immunity: 6 kV contact, 8 kV air
• EFT/B Immunity: +2 kV at 5 kHz on communication ports
• Emissions: CISPR 11 Group 1, Class A

Features

• ControlNet Integration: Deterministic network support via Channel A
• CompactLogix Architecture: Supports modular 1769 I/O expansion
• Nonvolatile Storage: CF64/CF128 for program retention
• Flexible Mounting: DIN‑rail or panel mount with defined torque
• Industrial Isolation: 710V DC type‑tested isolation
• Environmental Robustness: Rated for vibration, shock, ESD, and EFT/B immunity

FAQ – Common Questions

• What_is_1769_L32C: It is a CompactLogix controller with ControlNet communication capability.
• How_many_IO_modules: Supports up to 16 modules across three banks.
• What_memory_is_supported: 1784‑CF64 or 1784‑CF128 CompactFlash cards.
• What_cables_are_required: 1747‑CP3 or 1756‑CP3 for programming.
• Is_it_DIN_rail_mountable: Yes, DIN‑rail or panel mount.