Allen Bradley 1769-L23E-QBFC1B CompactLogix Packaged controller The Allen Bradley 1769-L23E-QBFC1B, also cataloged as the 1769-L23E-QBFC1B Programmable Automation Controller (PAC), operates...
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Keterangan
Allen Bradley 1769-L23E-QBFC1B CompactLogix Packaged controller
The Allen Bradley 1769-L23E-QBFC1B, also cataloged as the 1769-L23E-QBFC1B Programmable Automation Controller (PAC), operates as a dedicated hardware component for deterministic I/O control and high-speed motion tracking within EtherNet/IP industrial networks.
Hardware Specifications
Parameter
Specification
Model
1769-L23E-QBFC1B
Brand
Allen Bradley
Origin
Industrial Automation Standard
Weight
2.00 lbs (0.91 kg)
Dimensions
Standard CompactLogix Package Form Factor
Operating Temp
Standard Industrial Limits (0 deg C to 60 deg C)
Power Consumption
Powered via external 24 VDC supply
Digital Inputs
16 discrete inputs (24 VDC)
Digital Outputs
16 discrete outputs (24 VDC)
Analog Inputs
4 channels
Analog Outputs
2 channels
User Memory
512 KB
Communication Ports
1 Serial port (DF1/ASCII), 1 Ethernet port (TCP/IP, CIP)
Expansion Capability
Up to Two (2) 1769 I/O modules
EtherNet/IP Deterministic Networks and I/O Density Scaling
Engineered for rigorous industrial automation demands, this controller leverages native EtherNet/IP and CIP protocols to maintain low-latency data exchange across distributed nodes. Furthermore, the embedded I/O architecture features sixteen 24 VDC discrete inputs, sixteen 24 VDC discrete outputs, four analog inputs, two analog outputs, and four high-speed counters, thereby optimizing local panel space while scaling control loops efficiently. Additionally, the backplane communication velocity handles up to two physical 1769 expansion modules seamlessly, ensuring deterministic response times across the entire rack configuration.
Frequently Asked Questions
Q: Does the 1769-L23E-QBFC1B controller support hot-swapping of expansion modules?
A: No. Power must be removed from the system and external power supplies before installing or removing any 1769 I/O expansion modules to prevent electrical arcing and memory corruption.
Q: What is the maximum number of local expansion modules supported by this controller?
A: This packaged controller supports a maximum of two (2) physical 1769 I/O expansion modules connected directly to the right side of the CPU base.
Q: Can the embedded serial port be configured for user-defined ASCII communication?
A: Yes. The built-in RS232 port supports both DF1 protocol and user-defined ASCII strings for interfacing with barcode scanners, weigh scales, and operator interfaces.
Field Installation Guidelines
Mounting Security: Mount the controller securely onto a standard DIN rail or directly to a back panel using M4 or #8 screws, ensuring that mechanical vibration limits comply with industrial standards.
Grounding Compliance: Connect a low-impedance ground wire directly to the functional ground lug on the chassis to mitigate electromagnetic interference (EMI) and protect internal logic circuits.
Wiring and Isolation: Route high-voltage power lines and low-signal analog/communication cables through separate metallic wireways to prevent cross-talk and maintain signal integrity.
