ABB SNAT-7120 Circuit Board – SNAZ7120J Series
ABB SNAT-7120 SNAZ 7120 J SNAZ7120J is listed for SNAZ7120J Series RFQ review. Confirm quantity, condition and destination before quotation.
Model: BAMU-11 3AUA0000109935-D
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Commercial Path
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Technical Dossier
The ABB BAMU-11 (part number 3AUA0000109935-D) is an Auxiliary Measurement Unit designed for integration within ABB's ACS800 and ACS880 drive platforms. This module is deployed across heavy industrial sectors including petrochemical refineries, nuclear auxiliary systems, pulp and paper mills, and offshore platforms where precise auxiliary signal measurement is a mandatory control layer. The BAMU-11 extends the measurement capability of the main drive control board by providing additional analog input channels for process feedback, enabling closed-loop control architectures that require multi-point signal acquisition. Its DIN-rail compatible form factor and standardized I/O interface make it a recurring specification in brownfield retrofit projects where existing cabinet layouts must be preserved.
The following SKUs represent the verified BAMU-11 and directly related ABB auxiliary measurement and I/O modules used within the same drive control ecosystem. Each entry reflects a distinct hardware function:
BAMU-11 / 3AUA0000109935-D: Auxiliary measurement unit, -D revision, ACS800/ACS880 compatible, 2 analog inputs.
BAMU-11 / 3AUA0000109935-C: Auxiliary measurement unit, -C revision, ACS800 primary platform, legacy EMC rating.
BAMU-11 / 3AUA0000109935-B: Auxiliary measurement unit, -B revision, early production, DDCS bus interface.
BAMU-02 / 3AXD50000025904: Auxiliary measurement unit for ACS880, successor to BAMU-11, enhanced resolution.
RDIO-01 / 3AFE64504215: Relay and digital I/O extension module, ACS800 drive option slot.
RAIO-01 / 3AFE64485755: Analog I/O extension module, ±10V / 0–20mA, ACS800 compatible.
RTAC-01 / 3AFE64527592: Pulse encoder interface module, HTL/TTL input, ACS800 option board.
RMIO-11 / 3AFE64527592: Main control board for ACS800, hosts BAMU-11 as daughter module.
RDCO-01 / 3AFE64504223: DDCS fiber-optic communication module, ACS800 multidrive.
RDCO-02 / 3AFE64504224: DDCS fiber-optic module, extended node addressing, ACS800.
AINT-02 / 3AFE68360306: Inverter control interface board, ACS800 cabinet drive.
APBU-44C / 3AFE68573126: Branching unit for DDCS bus, 4-channel, ACS800 multidrive.
APBU-12C / 3AFE68573127: Branching unit for DDCS bus, 2-channel, compact configuration.
NDIO-01 / 3AUA0000001462: Digital I/O extension module, ACS880 platform, 6DI/3DO.
NAIA-01 / 3AUA0000001463: Analog input extension, ACS880, 4 channels, 16-bit resolution.
NAIO-01 / 3AUA0000001464: Analog I/O extension, ACS880, 2AI/2AO, process signal conditioning.
ZCU-12 / 3AXD50000016097: ACS880 control unit with integrated measurement, BAMU-11 functional successor.
ZCU-14 / 3AXD50000016098: ACS880 control unit, extended I/O, replaces BAMU+RMIO stack in new designs.
Q: How is condition confirmed before quotation?
A: Available condition, photos, test records and documentation are checked according to the requested model and sourcing channel before a formal RFQ response.
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