Brand Name:
ABB
Model Number:
IMAMM03
The IMAMM03 Analog Master Module is the processing and communication master for an INFI 90 analog input subsystem. With IMASM01, IMASM02, IMASM03 or IMASM04 slave modules, it accepts as many as 64 high-level, thermocouple, millivolt or RTD signals for control, trending, alarm and exception-reporting functions.
The IMAMM03 Analog Master Module is the processing and communication master for an INFI 90 analog input subsystem. With IMASM01, IMASM02, IMASM03 or IMASM04 slave modules, it accepts as many as 64 high-level, thermocouple, millivolt or RTD signals for control, trending, alarm and exception-reporting functions.
| 01Input capacity | Up to 64 analog inputs in eight groups of eight |
|---|---|
| 02Supported slaves | Up to four IMASM01, or up to eight IMASM02 / IMASM03 / IMASM04 modules |
| 03Input span | -10 to +10 VDC |
| 04Common-mode voltage | ±5 VDC maximum |
| 05Input impedance | Greater than 10 MΩ |
| 06A/D conversion | 16 bit; 15-bit guaranteed linearity |
| 07Master accuracy at 25°C | ±0.01% of span typical; ±0.025% maximum, excluding slave module |
| 08Normal-mode rejection | -80 dB at 60 Hz |
| 09RAM | 24 kB |
| 10ROM | 36 kB |
| 11Battery-backed RAM | 6 kB |
| 12+5 VDC power | 825 mA maximum; 4.13 W maximum |
| 13+15 VDC power | 150 mA maximum; 1.88 W maximum |
| 14-15 VDC power | 40 mA maximum; 0.45 W maximum |
| 15Mounting | One slot in a standard INFI 90 Module Mounting Unit |
| 16Operating temperature | 0 to 70°C (32 to 158°F) |
| 17Humidity | 0 to 95% RH to 55°C; 0 to 45% RH at 70°C, noncondensing |
| 18Altitude | Sea level to 3 km (1.86 mi) |
| 19Atmosphere | Noncorrosive |
| 20Certification | CSA certified for ordinary, nonhazardous locations |
Works with IMASM01, IMASM02, IMASM03 and IMASM04 analog slave modules. P1 carries module-bus power and communication, P2 connects the slave expander bus, and P3 supports redundant-master or termination arrangements. NTAM01 and NIAM02 hardware is used in documented redundancy, indicator-station and thermocouple arrangements.
ABB evolution material states that the AMM/ASM family can be evolved to the IMASI23 Universal Analog Input Module. This is a system migration, not a drop-in swap: an MFP or later controller and minor configuration changes are required.
Original manufacturer source for capacity, memory, power, redundancy, installation, diagnostics and maintenance.
Evolution to IMASI23, MFP-or-later controller requirement and configuration-change guidance.
AMM/ASM lifecycle status and ABB migration-service guidance.
Pre-shipment check, antistatic protection and reinforced packing.
Prompt review under the written order terms with fault evidence.
Covers confirmed supply defects during the agreed period.
Part-number, revision and system checks before dispatch.
Send the Part Number, Quantity, Destination, Required Date and Machine/System Model. A clear nameplate photo helps confirm the request.
These models are separate sourcing references, not stated replacements for IMAMM03. Compatibility and availability must be confirmed independently.
Technical statements are limited to verified ABB/Bailey manufacturer documentation. Installation must follow the plant safety procedure and the documentation for the installed system revision.
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