Allen-Bradley 1771-HT3 E-Stop/Fast I/O Termination Panel
$123.00
$320.00
Description
Allen-Bradley 1771-HT3 E-Stop/Fast I/O Termination Panel
The Allen-Bradley 1771-HT3, also cataloged as the 1771-HT3 E-Stop/Fast I/O Termination Panel, operates as a dedicated hardware component for emergency stop interfacing, fast I/O signal routing, and servo enable control within IMC 123 motion controller platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1771-HT3 |
| Brand | Allen-Bradley |
| Origin | United States |
| Weight | 1.12 lbs |
| Module Type | E-Stop/Fast I/O Termination Panel |
| Compatibility | IMC 123 motion controller modules |
| Connections | E-Stop string input/output, reset pushbutton, fast I/O, servo drive enable |
| Power Supply Output | +24 VDC for fast I/O; selectable +5 VDC and +15 VDC encoder supply |
| Isolation | Electrical isolation for user-side voltages |
| Indicators | Connection designations and status LED indicators |
| Cable Length Support | Up to 40 ft for +5 VDC encoders without external supply; up to 90 ft with external supply; 90 ft for +15 VDC encoders |
EtherNet/IP and PLC Motion Interface Characteristics
The 1771-HT3 provides physical termination between IMC 123 motion controller modules and external field devices. The panel supports I/O density scaling by organizing emergency stop circuits, high-speed input/output connections, and servo drive enable signals through a dedicated wiring interface.
Within Allen-Bradley PLC architectures, the termination panel operates with defined signal paths for motion control execution. The interface supports PLC control system wiring requirements including electrical isolation, signal separation, and noise reduction practices for fast I/O circuits.
Frequently Asked Questions
Q: What signals can be connected through the 1771-HT3 termination panel?
A: The panel provides connection points for E-Stop string circuits, reset pushbuttons, fast I/O signals, servo drive enable lines, and encoder power wiring.
Q: Does the 1771-HT3 provide encoder power output?
A: Yes. The panel provides selectable +5 VDC and +15 VDC encoder power connections through the configured wiring arrangement.
Q: What installation factor affects encoder signal distance?
A: Encoder cable length depends on the supply voltage arrangement and whether an external encoder power supply is used. Cable routing and shielding practices also affect signal quality.
Field Installation Guidelines
Install the 1771-HT3 as a termination interface for IMC 123 motion controller applications. Verify all E-Stop, reset, fast I/O, and servo enable wiring before applying system power.
Route encoder and fast I/O cables separately from high-voltage power conductors to reduce electromagnetic interference. Use shielded cables where required and connect cable shields according to the control system grounding design.
Confirm encoder supply selection before connecting field devices. Maintain proper polarity for +5 VDC, +15 VDC, and +24 VDC connections. Ensure emergency stop circuits are wired according to the machine safety design requirements and applicable site standards.
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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