1771-HD | Allen‑Bradley Handheld Teach Pendant for PLC‑5
1771‑HD is a handheld programming terminal for PLC‑5 controllers. It uses the Offline Development System (ODS) to modify variables and parameters. The 25‑ft (8 m) cable connects via RS‑232 to the motion module. Hard and soft keys simplify menu navigation and display selection.
Technical Specifications
| Brand | Allen‑Bradley (Rockwell Automation) | Model | 1771‑HD |
| Type | Handheld Teach Pendant | Display | 4 lines x 16 characters |
| Input Freq. | 250 kHz differential | Output | ±10 V DC analog command |
| Slots | 2 per ES | Update Period | 2 ms/axis |
| Backplane Current | 1.7 A | Pulse Capture | 50‑9.999 µs |
| Fuse Voltage | 120 V AC (or 240 V with adapter) | Cable Length | 25 ft (8 m) RS‑232 |
| Dimensions | 3.5 x 6.5 x 2.0 in (89 x 165 x 51 mm) | Weight | approx. 1.2 lb |
| Operating Temp. | 0…60 °C | Humidity | 5‑95% non‑condensing |
Key Features & Diagnostics
- Programming: ODS (Offline Development System) for parameter changes.
- Keys: Hard keys (fixed) and soft keys (menu‑dependent).
- Menus: 5 selectable displays – Jogs, Status, Debug, File Manager, Teach Position.
- Diagnostic: Built‑in switch and button for self‑test.
- Communication: RS‑232 via 9‑pin D‑shell connector.
- Power: 120 V AC or 240 V AC via 1771‑CAS cable.
Installation & Environment
- Mounting: Handheld, portable design.
- Cable: 25‑ft RS‑232 cable (1771‑CAD) for remote use.
- Wiring arm: 1771‑WA for secure connections.
- Temperature: 0…60 °C operation; storage ‑40…85 °C.
- Humidity: 5‑95% non‑condensing, no dripping water.
Compatibility & Options
- Compatible with: PLC‑5 systems, IMC 120 motion controllers.
- Connector: 9‑pin RS‑232 (D‑shell).
- Cable options: 1771‑CAD (RS‑232), 1771‑CAS (power).
- Software: ODS offline development environment.
Typical Applications
- Programming and tuning PLC‑5 motion axes.
- Debugging servo controllers in manufacturing lines.
- Teaching positions for robotic or positioning systems.
- Field maintenance of legacy control systems.
Diagnostic & Maintenance
- Self‑diagnostic test via hardware switch/button.
- Display shows error messages from IMC 120 system.
- Easy access to menu‑based debug and status screens.
Package Contents & Warranty
- 1771‑HD handheld terminal unit.
- 25‑ft RS‑232 cable (1771‑CAD) – included.
- User manual (digital download).
- 12‑month warranty against defects.
Frequently Asked Questions
- Does it work with ControlLogix? No, only PLC‑5 and IMC 120 systems.
- Can I use it without ODS? No, ODS software is required.
- Is the cable detachable? Yes, it uses standard RS‑232 connector.
- What power supply do I need? 120 V AC or 240 V AC (adapter optional).
- Is the display backlit? No, 4×16 character LCD without backlight.
Why Buy From Oiltech Controls?
- 15+ years in industrial automation spare parts.
- Global shipment via FedEx, UPS, DHL.
- Tested surplus / refurbished units with technical verification.
- 12‑month warranty and support for obsolete systems.
- Expert pre‑shipment testing and configuration.
Contact: info@oiltechcontrols.com | +86 158 8020 0923 (WhatsApp)
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