Allen Bradley 1794-TB3S Flex I/O Terminal Base Unit
$123.00
$320.00
Description
Allen Bradley 1794-TB3S Flex I/O Terminal Base Unit
Configured for field wiring termination and I/O point connection in Flex I/O 1794 control systems, the Allen Bradley 1794-TB3S (1794-TB3S Flex I/O Terminal Base Unit) provides direct physical/electrical execution between field conductors and installed I/O modules.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1794-TB3S |
| Brand | Allen Bradley |
| Origin | United States |
| Weight | 0.50 lbs |
| Operating Temp | -20 to 70 deg C |
| Power Consumption | Not specified; terminal base unit passive connection component |
| Product Type | Flex I/O Terminal Base Unit |
| Product Line | Flex I/O 1794 |
| Clamp Type | Spring Clamp |
| Current Rating | 10 A |
| Number of Inputs/Outputs | 16 I/O points |
| Wire Size | 22 to 12 AWG |
| Operating Frequency | 50 Hz to 60 Hz |
| Storage Temperature | -20 to 85 deg C |
| Relative Humidity | 5 to 95% non-condensing |
| Vibration Resistance | 5 g from 10 Hz to 150 Hz |
Profinet / EtherNet-IP Deterministic Networks and I/O Density Scaling
The 1794-TB3S is designed as a terminal base interface within the Allen Bradley Flex I/O 1794 platform. The unit provides mechanical retention and electrical termination for Flex I/O modules, supporting up to 16 connected I/O points through spring clamp field wiring connections. The terminal base maintains the I/O module mounting arrangement and enables distributed I/O installation across industrial control architectures.
The spring clamp termination method supports consistent conductor fixation without additional tightening hardware. Wiring installation must follow the specified conductor size range and applicable control cabinet wiring practices to maintain signal integrity and mechanical stability.
Frequently Asked Questions
Q: Does the 1794-TB3S contain active electronic processing functions?
A: No. The 1794-TB3S is a passive terminal base unit providing field wiring termination and module connection functions. Processing and communication functions are performed by the installed Flex I/O module and adapter components.
Q: What type of field wiring connection is supported by the 1794-TB3S?
A: The unit uses spring clamp terminals and supports wire sizes from 22 to 12 AWG for field conductor connection.
Q: Can the terminal base be replaced while the system is powered?
A: Replacement procedures depend on the installed Flex I/O module configuration and system operating rules. Power isolation and manufacturer-defined maintenance procedures should be followed before physical replacement.
Field Installation Guidelines
- Install the terminal base on the Flex I/O mounting assembly according to the mechanical alignment requirements of the 1794 series platform.
- Verify conductor size compatibility before inserting field wiring into the spring clamp terminals.
- Separate field signal wiring from high-voltage power conductors to reduce electrical interference.
- Connect cable shields according to the control system grounding design and avoid creating unintended ground loops.
- Confirm terminal seating and module engagement before applying system power.
- Maintain environmental conditions within the specified operating temperature and humidity limits during operation.
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.
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