Allen-Bradley
1771-A3B | Allen-Bradley | 12 Slot I/O Chassis
En inventario y listo para ser enviado
Manufacturer: Allen-Bradley
Product No.: 1771-A3B
Product Type: Chassis
Product Origin: USA
Payment: T/T
Weight: 3200g
Shipping port: Xiamen
Warranty: 12 months
Sí, ofrecemos una garantía de devolución de dinero de 30 días para todas las compras.
Sí, todos los artículos vienen con una garantía de 12 meses a partir de la fecha de envío.
Allen-Bradley 1771-A3B
8-Slot Modular I/O Chassis for PLC-5 Systems
Overview
The 1771-A3B is a modular I/O chassis designed for use with Allen-Bradley PLC-5 systems. It provides physical housing and backplane connectivity for up to 8 I/O modules. The chassis supports centralized control architectures and is compatible with a wide range of 1771-series input, output, and communication modules. It is commonly used in manufacturing, process control, and automation environments requiring reliable and scalable I/O integration.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Catalog Number | 1771-A3B |
| Product Type | I/O Chassis |
| Slots Available | 8 module slots |
| Backplane Current Capacity | 3.0 A @ 5 VDC |
| Power Supply Compatibility | 1771-P4S, 1771-P7, and other 1771 power supplies |
| Mounting Type | Panel-mounted |
| Module Compatibility | All 1771-series modules (except where noted) |
| Keying | User-configurable keying for slot protection |
| Field Wiring Arm | Removable per module |
| Operating Temperature | 0 to 60 °C |
| Certifications | UL, CE, CSA |
Dimensions and Weight
| Attribute | Specification |
|---|---|
| Width | 17 inches (432 mm) |
| Height | 6.5 inches (165 mm) |
| Depth | 5.5 inches (140 mm) |
| Weight | 3.2 kg |
| Cooling Method | Passive (natural convection) |
Product Questions
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Q: What is the function of the 1771-A3B chassis?
A: It provides mechanical support and electrical backplane connectivity for up to 8 I/O modules in a PLC-5 system. -
Q: Is the chassis compatible with all 1771 modules?
A: Yes, it supports most 1771-series modules, but some modules may require specific power supplies or slot positions. -
Q: Can the chassis be used in hazardous environments?
A: It meets industrial standards for general-purpose environments. For hazardous locations, additional certification may be required.