SXW-DO-FA-12-h SCHHEIDER SpaceLogic I/O Digital Output Module

Description

SXW-DO-FA-12-h SCHHEIDER SpaceLogic I/O Digital Output Module

Product Dimensions：

Product Description (Detailed Explanation)

The DO-FA-12-H is a centralized I/O module that provides 12 Form A (Normally Open) relay outputs. These relays are designed for direct load applications, such as switching fans, pumps, or lights in a building management system (BMS).

The “H” suffix in the model name indicates that this module includes Hand-Off-Auto (HOA) override switches on the front panel. These switches allow maintenance personnel to manually force an output ON (Hand), turn it OFF, or return it to the controller’s logic (Auto) for testing or emergency maintenance.

Product Parameters (Technical Specifications)

Product Advantages (Key Benefits)

• Local Manual Control: The HOA switches provide an immediate manual override that is independent of the software, which is critical during commissioning and troubleshooting.

• Hot-Swappable Design: The two-piece design allows the electronic module to be replaced or plugged in without disconnecting the field wiring from the terminal base.

• Auto-Addressing: No DIP switches are required. The module automatically assigns its address based on its position in the I/O bus chain.

• Software Visibility: The position of each manual HOA switch is readable by the EcoStruxure software, allowing operators to see if a field technician has left a device in “Hand” mode.

• Compact Footprint: High-density output count (12 points) in a slim housing saves significant space in the control cabinet.

Precautions (Important Notes)

• Terminal Base Requirement: This module must be paired with a TB-IO-W1 terminal base (sold separately). It cannot be wired directly.

• Relay Life Cycle: While rated for 2 A, frequent switching of high-inductive loads (like large solenoids) will reduce the relay’s lifespan. Use external interposing relays for very large loads.

• Firmware Compatibility: Ensure your AS-P or AS-B server firmware is compatible with the module version to ensure all HOA status flags are reported correctly.

• Wiring Safety: Always verify that the power to the field loads is disconnected before removing the module from its base to prevent arcing.

Product Applications (Typical Use Cases)

• Lighting Control: Switching discrete lighting zones or exterior building lights.

• Fan & Pump Operation: Controlling small exhaust fans, circulating pumps, or auxiliary motors.

• HVAC Systems: Enabling/disabling chillers, boilers, or managing damper actuators that require 24V or line-voltage signals.

• Status Signaling: Triggering remote alarm beacons or sirens in safety-critical building zones.

• Equipment Interlocking: Providing dry-contact signals to third-party equipment (like elevator controllers or fire alarm panels).

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

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