AUTOMATIONDIRECT BX-08DA-3 PLC Analog Output Module

Description

AUTOMATIONDIRECT BX-08DA-3 PLC Analog Output Module

The AutomationDirect BX-08DA-3 is an 8-channel universal analog output expansion module designed for the BRX Programmable Logic Controller (PLC) series. It allows BRX CPU units to control field devices such as variable frequency drives (VFDs), control valves, actuators, and analog indicators by sourcing or sinking standard current and voltage signals.

Technical Specifications

Key Advantages

• High Channel Density: Provides 8 software-configurable analog output channels in a compact stackable footprint to minimize panel space usage.
• Universal Output Flexibility: Supports both current (0–20 mA, 4–20 mA, ±20 mA) and voltage (0–5 V, 0–10 V, ±5 V, ±10 V) ranges, eliminating the need for separate dedicated current or voltage output cards.
• High-Resolution Performance: Up to 16-bit resolution ensures precise control over analog actuators and speed controllers.
• Flexible Wiring Options: Integrates with removable screw/spring-clamp terminal blocks (BX-RTB08 series) or ZIPLink quick-wiring pre-wired cables to accelerate cabinet wiring.
• Fast Update Rate: Updates all 8 output channels within 1.0 ms for responsive control loop execution.

Important Installation & Usage Precautions

• Terminal Blocks Sold Separately: The module does not include terminal connectors. You must purchase a BX-RTB08 (90° screw), BX-RTB08-1 (180° spring clamp), BX-RTB08-2 (180° screw) kit, or a compatible ZIPLink cable assembly separately.
• No Hot-Swapping: This module cannot be hot-swapped. Always remove control power from the BRX PLC backplane before installing or removing expansion units.
• External Circuit Protection: It is recommended to install fast-acting 0.032A external fuses on analog current loops and voltage output lines to protect field wiring and internal circuits from external short-circuits.
• Cable Shielding: Connect signal wire shields to ground at one end only (at the source or control cabinet side) to prevent ground loops and signal interference.
• Fault Mode State Setup: Ensure output fault mode behaviors (e.g., 0V or 0mA default output on CPU communication loss) are properly configured in Do-more! Designer software to prevent unsafe field equipment actions during control interruptions.

Applications

• Process Loop Control: Driving analog control valves, proportional dampers, and heating regulators in process control loops.
• Variable Frequency Drive (VFD) Speed Control: Providing 0–10 VDC or 4–20 mA speed reference signals to VFDs on conveyors, fans, and pumps.
• Analog Instrumentation: Interfacing with panel meters, recorders, and analog display units requiring scalable DC voltage or current inputs.
• OEM Machinery Control: Precise positioning and speed regulation in packaging equipment, material handling systems, and automated dosing pumps.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

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