Allen-Bradley 1769-L18ER-BB1B
CompactLogix L18 512KB Controller, Active
Image is for illustrative purposes only. Please refer to product description.
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Allen-Bradley 1769-L18ER-BB1B CompactLogix L18 controller: 512 KB memory, EtherNet/IP for up to 8 nodes, 16 DC inputs and 16 DC outputs.
- Manufacturer
- Allen-Bradley
- Manufacturer part no.
- 1769-L18ER-BB1B
- Type
- CompactLogix controller
- Weight
- approx. 0.66 kg (1.5 lb)
- Category
- PLCs and I/O › CPU and processor modules
- Lifecycle
- Active
- OEM successor
- Not stated
- Technical datasheet
- Data sheet
Technical specifications
- Manufacturer
- Allen-Bradley
- Manufacturer part no.
- 1769-L18ER-BB1B
- Type
- CompactLogix controller
- Application
- PLC controller
- Used with
- 1769 Compact I/O
- Controller tasks
- 32 tasks 100 programs/task
- Communication
- EtherNet/IP
- EtherNet/IP node
- Up to 8 nodes
- Embedded I/O
- 16 DC digital inputs 16 DC digital outputs
- Sockets, max
- 32
- Programming
- Relay ladder, Structured Text, Function block, SFC
- Temperature, operating
- -20…+60 °C (-4…+140 °F)
- Temperature, storage
- -40…+85 °C (-40…+185 °F)
- Temperature, surrounding air
- 60 °C (140 °F)
- Relative humidity
- 5…95% noncondensing
- Vibration
- 2 g @ 10…500 Hz
- Shock, operating
- 30 g
- Shock, nonoperating
- 50 g
- Emissions
- IEC 61000-6-4
- ESD immunity
- 6 kV contact discharges 8 kV air discharges
- Radiated RF immunity
- 10V/m with 1 kHz sine wave 80% AM from 80…6000 MHz
- EFT/B immunity
- ±3 kV at 5 kHz on power ports ±3 kV at 5 kHz on signal ports ±3 kV at 5 kHz on communication ports
- Surge transient immunity
- ±1 kV line-line (DM) and ±2 kV line-earth (CM) on power ports ±1 kV line-line (DM) and ±2 kV line-earth (CM) on signal ports ±2 kV line-earth (CM) on communication ports
- Conducted RF immunity
- 10V rms with 1 kHz sine wave 80% AM from 150 kHz…80 MHz
- User memory
- 512 KB
- Optional nonvolatile
- 1784-SD1 card with 1 Gb of available memory (shipped with controller) 1784-SD2 card with 2 Gb of available memory (available for separate ordering)
- Current draw @ 5V DC
- 1 A
- Current draw @ 24V
- 3 A - Combined total for all devices that draw current from field power connections, Input: 5 mA, Output: 500 mA
- Power dissipation
- 11.5 W
- Isolation voltage
- 50V (continuous), Basic Insulation Type, Tested at 500V AC for 60 s, System to, Field
Show all 55 specificationsShow fewer
- Short circuit
- Internal fuse, Non-replaceable
- Recommended
- User-provided 4…5 A @ 3.15…5.5 A2t fuse
- Weight, approx
- 0.66 kg (1.5 lb)
- Module width
- 100.00 mm (3.94 in.)
- Module location
- DIN rail mount
- Embedded power
- 24V DC input, isolated
- Wire category
- 1 - signal ports 1 - power ports 2 - communication ports
- Wire type, Ethernet
- RJ45 connector according to IEC 60603-7, 2 or 4 pair Category 5e minimum cable according to TIA 568 B.1 or Category 5 cable according to ISO/IEC 24702
- Wire type, power
- Copper
- Wire size, power
- 0.051…3.31 mm2 (30…12 AWG) solid or stranded copper wire rated at 90 °C (194 °F), or greater, 1.2 mm (3/64 in.) insulation, max, Each terminal accepts 1 or 2 wires
- Wire stripping length
- 10 mm (0.39 in)
- Screw torque, power
- 0.5…0.6 Nm (4.4…5.3 lbin)
- Wire size, embedded I/
- 0.205…1.31 mm2 (24…16 AWG) solid or stranded copper wire rated at 90 °C (194 °F), or greater 1.2 mm (3/64 in.) insulation, max or 90 °C (194 °F), Each terminal accepts only 1 wire
- North American
- T4A
- UKEX/ATEX
- T4
- Enclosure type rating
- None (open-style)
- Voltage category
- 24V DC sink
- Operating voltage range
- 10…28.8V DC 24V DC nom
- Digital filter, off to on/on to off
- 0.5 ms hardware plus 0…65 ms (selectable)
- Off-state voltage, max
- 5V DC
- Off-state current, max
- 1 mA
- On-state current, min
- 2 mA @ 24V DC
- Cyclic update time
- 1…750 ms
- IEC input compatibility
- Type 3
- Isolated groups
- None
Technical documents (1)
Key features
- 512 KB user memory for control programs
- EtherNet/IP communication with up to 8 nodes
- Embedded 16 DC digital inputs and 16 outputs
- Programs in ladder, Structured Text, function block, SFC
- Operating temperature range of -20 to +60 °C
About the Allen-Bradley 1769-L18ER-BB1B
The 1769-L18ER-BB1B is a CompactLogix L18 controller with 512 KB of user memory (technical data 1769-TD005). It runs 32 tasks with 100 programs per task and talks EtherNet/IP with up to 8 nodes. Embedded I/O is 16 DC digital inputs and 16 DC digital outputs, 24V DC sink. It mounts on DIN rail, 100.00 mm wide, and weighs approximately 0.66 kg.
What is the 1769-L18ER-BB1B used for?
It controls a small machine with its I/O on board, programmed in relay ladder, Structured Text, function block or SFC. A 1784-SD1 or 1784-SD2 card gives nonvolatile memory, and the 1784-SD1 ships with the controller.
Lifecycle and successor
Active (Rockwell Automation lifecycle status, checked 24 October 2026).
Before you order
What to photograph or confirm so the right unit is quoted.
Read the catalog number 1769-L18ER-BB1B, the series letter and the firmware revision from the label. Send us a photo of the label and we confirm the match before we quote.
Other parts in the Allen-Bradley CompactLogix and Compact GuardLogix Controllers family
Listed for reference. They differ from the 1769-L18ER-BB1B in rating, supply, interface or function and are not interchangeable with it unless Allen-Bradley says so. Match the part number on your unit.
| Product | Type | Lifecycle | Qty Available | Price | Action |
|---|---|---|---|---|---|
| Allen-Bradley 1768-L43CompactLogix L43 Controller, 2 MB Memory | CompactLogix controller | Discontinued | On request | On request | View |
| Allen-Bradley 1768-L45CompactLogix L45 Controller, 3 MB Memory | CompactLogix controller | Discontinued | In stock | On request | View |
| Allen-Bradley 1769-L30ERMCompactLogix 1 MB Motion Controller | CompactLogix controller | Active | On request | On request | View |
| Allen-Bradley 1769-L33ERMCompactLogix 2 MB Motion Controller | CompactLogix controller | Active | In stock | On request | View |
| Allen-Bradley 1769-L36ERMCompactLogix 3 MB Motion Controller | CompactLogix controller | Active | On request | On request | View |
| Allen-Bradley 1769-L38ERMSKCompact GuardLogix 5370 Safety Controller, 5 MB/1.5 MB | Compact GuardLogix safety controller | Phased out | On request | On request | View |
| Allen-Bradley 1769-L16ER-BB1BCompactLogix L16 384KB Controller with Embedded I/O | CompactLogix controller | Active | On request | On request | View |
| Allen-Bradley 1769-L24ER-QB1BCompactLogix 750KB DI/O Controller | CompactLogix controller | Active | On request | On request | View |
| Allen-Bradley 1769-L27ERM-QBFC1BCompactLogix 1MB Controller with Embedded I/O | CompactLogix controller | Active | On request | On request | View |
| Allen-Bradley 1769-L30ER-NSECompactLogix 1 MB No Cap Controller | CompactLogix controller | Active | On request | On request | View |
| Allen-Bradley 1769-L32ECompactLogix 750KB Ethernet Controller Module | CompactLogix controller | Discontinued | On request | On request | View |
| Allen-Bradley 1769-L35ECompactLogix 1.5MB ENet Controller | CompactLogix controller | Discontinued | On request | On request | View |
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