BMXAMO0802 Schneider Electric Modicon M340 Analog Output Module

Product Description

The BMXAMO0802 is an analog output module for the Schneider Electric Modicon M340 automation platform. It provides 8 current output channels, each configurable for 0-20 mA or 4-20 mA signals, for transmitting analog control commands to compatible field devices. The module features 15-bit plus sign resolution, a conversion time of 4 ms or less, and configurable fallback behavior for output handling under defined operating conditions.

Hardware Specifications

Analog Output Function

The BMXAMO0802 converts controller output values into analog current signals for field-level control. Its eight channels support both 0-20 mA and 4-20 mA ranges, allowing the module to match the signal requirements of compatible actuators, valve positioners, and other analog control devices.

The 4-20 mA range provides a 4 mA live zero, which can help distinguish a valid zero-scale command from certain wiring faults. The 0-20 mA range starts at 0 mA. Select the output range according to the connected device's input specifications and the control application's requirements.

Accuracy and Signal Diagnostics

The module specifies a measurement error of 0.1% of full scale at 25 deg C and no more than 0.25% of full scale across 0-60 deg C. Its temperature drift is 45 ppm/deg C for both supported current ranges. These figures help engineers evaluate signal accuracy across the specified operating temperature range.

The module also provides open-circuit detection for the 4-20 mA range and short-circuit detection for the 0-20 mA range. The green RUN LED, red ERR LED, and individual green channel diagnostic LEDs provide status information for maintenance and fault investigation.

Output Conversion and Fallback Behavior

The BMXAMO0802 has a conversion time of 4 ms or less and a specified maximum conversion value of 21 mA for both output ranges. Its fallback behavior can be configured or predefined, depending on the applicable configuration options.

Before commissioning, verify the required fallback settings and confirm the receiving device's permitted current range. The module's specified 350 Ohm maximum load impedance must also be considered when checking the connected circuit.

Frequently Asked Questions

Q: How many analog output channels does the BMXAMO0802 provide?

A: It provides eight current output channels. Each channel supports either 0-20 mA or 4-20 mA operation, subject to the module configuration and field-device requirements.

Q: What is the maximum load impedance for the BMXAMO0802?

A: The specified maximum load impedance is 350 Ohm for both supported current ranges. Confirm that the total connected load remains within this limit before commissioning.

Q: Does the BMXAMO0802 provide channel-to-channel isolation?

A: The supplied specifications identify the outputs as non-isolated while also listing a 1400 VDC isolation voltage between channels and ground and between channels and the bus. These descriptions should be verified against the model-specific hardware documentation before making isolation or safety design decisions.

Other Attributes

• Series：Modicon Quantum 
• Country of Origin:  USA
• Lead Time: In Stock, 2 Working Days

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