Configured for multi-channel field signal acquisition in Bailey Infi 90 architectures, the ABB IMASM02 (IMASM02 Analog Input Slave Module) provides direct physical/electrical execution.

Hardware Variant Functional Architecture

The IMASM02 functions as an 8-channel analog input expansion unit within the Infi 90 slave module family. The base designation IMASM identifies the analog slave module class, while the suffix 02 denotes double-threaded pin mounting hardware and flexible field signal processing across 4-20 mA current loops, 0-10 VDC levels, thermocouples, and RTD sensors under a master module controller.

Hardware Specifications

Deterministic Subsystem Bus Integration

The module interfaces directly with an analog master module over dedicated backplane bus pathways, maintaining high backplane bus communication velocity across all 8 channels. Integrated 16-bit digitizing circuitry delivers deterministic signal scaling to host master units while preserving I/O density scaling and maintaining cross-system firmware flash compatibility across active processing racks.

Package Scope

• 1 x ABB IMASM02 Analog Input Slave Module

Mechanical Mounting and Wiring Guidelines

• Engage double-threaded pin mounting hardware securely to prevent vibration-induced backplane contact loss.
• Route field analog wiring in shielded twisted pairs separated from AC power lines by at least 300 mm.
• Connect shield drain wires to designated cabinet earth bars to eliminate signal offset errors.
• Ensure power is turned off to the module rack prior to inserting or unseating the board.

Technical FAQ

• What is the supply voltage required for the IMASM02?

  The module requires a regulated 15 VDC power rail supplied via the internal rack backplane interface.

• How many field input channels are available on a single module?

  The IMASM02 supports up to 8 individual analog input channels per module assembly.

• What signal types can be wired directly to the input channels?

  Inputs accept 4-20 mA current, 0-10 VDC voltage, thermocouples, and RTD temperature sensors.

• What power rating is drawn by the module during operation?

  The total operational power rating of the module circuit board is 2.5 VA.

• What is the conversion resolution of the onboard analog interface?

  Analog signals are converted into digital values using a high-precision 16-bit converter.

• What mounting method secures the module within the rack slot?

  The card uses double-threaded pin mounting to maintain mechanical retention inside the chassis.

• Does replacing an IMASM02 require system recalibration?

  No, hardware calibration constants are managed and retained by the supervising analog master module.

• What is the operating temperature range for industrial enclosure deployment?

  The module operates continuously across ambient panel temperatures from 0 to +60 deg C.