Allen-Bradley 1794-L34/B FlexLogix Controller
$123.00
$320.00
Description
Allen-Bradley 1794-L34/B FlexLogix Controller
Configured for localized processing and modular I/O execution in FLEX I/O control platforms, the Allen-Bradley 1794-L34/B (1794-L34 FlexLogix Controller) provides direct physical and electrical control processing with Logix architecture support, serial communication, and DIN rail installation capability.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1794-L34/B |
| Brand | Allen-Bradley / Rockwell Automation |
| Weight | 0.9 kg |
| Dimensions | 199.9 x 110 x 100 mm |
| Power Consumption | 20.4 W @ 24 VDC; 25.5 W @ 19.2 VDC |
| Controller Type | FlexLogix 5434 Controller |
| User Memory | 512 KB |
| Input Voltage | 24 VDC nominal, 19.2 to 31.2 VDC range |
| Input Current | Max 0.85 A @ 24 VDC; Max 1.33 A @ 19.2 VDC |
| FlexBus Output Current | Max 653 mA @ 5.1 VDC |
| Serial Interface | 1 x RS-232 port supporting DF1, DH-485, and ASCII communication |
| Communication Slots | 2 x 1788-series communication daughtercard slots |
| Mounting Type | 35 mm DIN rail or panel mount |
| Programming Software | RSLogix 5000 / Studio 5000 Logix Designer |
Deterministic Logix Network and Firmware Compatibility
The 1794-L34/B controller uses Logix5000 architecture with tag-based programming and support for Ladder Diagram, Function Block Diagram, Sequential Function Chart, and Structured Text languages. The controller integrates with FLEX I/O expansion through local and extended-local configurations. Communication daughtercard slots support network interface expansion for EtherNet/IP, ControlNet, and DeviceNet using compatible 1788-series modules. Firmware compatibility must be verified against the installed Logix software revision before deployment.
Frequently Asked Questions
Q: Does the 1794-L34/B support hot-swapping of the controller module?
A: The controller is not specified as a hot-swappable CPU device. Power removal and proper shutdown procedures should be followed before controller replacement or maintenance.
Q: What is the function of the RS-232 port on the 1794-L34/B?
A: The RS-232 port supports programming functions, DF1 point-to-point communication, DF1 radio modem communication, DH-485 communication, and ASCII device connections.
Q: How is memory backup maintained on this controller?
A: Memory backup is supported through a 1756-BA1 lithium battery.
Field Installation Guidelines
Install the controller on a suitable 35 mm DIN rail or approved panel mounting surface. Maintain proper separation between communication wiring, power conductors, and high-noise electrical circuits. Use shielded cables where required by the connected network devices and terminate shields according to the plant grounding standard.
Verify the 24 VDC supply polarity and voltage range before energizing the controller. Confirm that connected FLEX I/O modules and communication daughtercards match the installed firmware and Logix Designer configuration. Provide adequate enclosure ventilation according to the site environmental requirements.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
Featured
Complementary products
Express Delivery
Fast shipping for your urgent needs.
Large Inventory
Extensive stock ensures quick availability.
Premium Quality
Genuine, high-grade PLC & DCS components.
24/7 Customer Support
Reliable service for clients worldwide.