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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.
Type
Analog master module
System
Bailey INFI 90 / ABB Harmony rack I/O
Focus
Analog subsystem processing, slave-group management and redundancy
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.
02
Technical Specifications
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
03
Compatibility & Replacement
01
Original-System Compatibility
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.
02
Historical Replacement
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.
04
Applications & Fault Scenarios
Mixed high-level, thermocouple, millivolt and RTD acquisition in process control systems.
Signal linearization, cold-junction compensation, engineering-unit conversion, trending, alarms and exception reporting.
Maintenance searches commonly follow a failed primary/backup handover, missing slave group, bad point quality, calibration drift, memory diagnostic or configuration mismatch.
Failure of the master can remove multiple analog groups at once; without working redundancy, this can stop control sequences or extend an outage.
05
Redundancy
A backup master can take control using current process data so processing and control continue without interruption.
Documented redundancy uses the P3 connection and the specified NTAM01/NIAM02 arrangement; duplicate the primary module's configuration and cable topology exactly.
Up to four NDIS01 indicator stations, serving up to 12 points, are supported in the documented architecture.
06
Configuration & Installation
S2 selects run/diagnostic functions and the module address; S1 is the reset switch.
P1 is the module-bus interface, P2 is the slave expander bus, and P3 is used for redundancy or termination, depending on the installation.
After replacement, load the required configuration into the new master before returning the loop set to service.
07
Diagnostics & Maintenance
Five front-panel LEDs report operating mode and normal/error status; built-in tests cover memory, timing, communication and redundancy functions.
At six-month intervals or during a shutdown, calibrate as required, tighten and clean power/ground connections, and remove dust with static-safe vacuum equipment.
The manufacturer procedure replaces a faulty module rather than repairing components in the field. Preserve all switch, jumper, cable and slot information before exchange.
08
Official Manufacturer Sources
01
Bailey Controls Company · I-E96-205A
Analog Master Module and Analog Slave Modules Product Instruction
Original manufacturer source for capacity, memory, power, redundancy, installation, diagnostics and maintenance.
Original document ID
02
ABB · 3BUS095666
Symphony Plus Overview – AMM / ASM Evolution
Evolution to IMASI23, MFP-or-later controller requirement and configuration-change guidance.
01How should IMAMM03 be installed after a failure?
Record the slot, S2 address, cable positions, slave arrangement and redundancy wiring before removal. Fit the replacement with the same settings, then load and verify the required configuration before restoring the analog groups.
02Can IMAMM03 be replaced by IMASI23 without other changes?
No. ABB describes this as an engineered evolution path requiring an MFP or later controller and minor configuration changes. Termination, channel mapping and outage planning must be reviewed first.
03What must be configured on IMAMM03?
Set the module address and operating mode, define the attached slave groups and input functions, and make sure the backup master carries the matching database when redundancy is used.
04What maintenance and ESD controls apply to IMAMM03?
Use a grounded wrist strap and antistatic packaging. At the scheduled interval, check calibration, power and ground connections, clean the cabinet with static-safe equipment and investigate LED or diagnostic results before replacing hardware.
05What delivery and warranty support is available for IMAMM03?
Each unit is function-checked where suitable test facilities are available and packed in an antistatic bag with protective cushioning. DOA, return and exchange requests are handled under the written order terms after evidence and technical evaluation. Warranty covers confirmed supply defects during the agreed period, excluding misuse, incorrect installation, ESD damage, improper storage and unauthorized repair.
06What information is needed for an IMAMM03 RFQ?
Please provide the Part Number, Quantity, Destination, Required Date and Machine/System Model. Also include the slave-module mix, controller type and a clear nameplate photo when available.
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.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Trading Company
Year Established:
2004
Total Annual:
85682000-125000000
Employee Number:
70~80
Ecer Certification：
Verified Supplier
Company Profile
Amikon Limited specializes in the global supply of industrial automation module spare parts.The company focuses on well-known international brands covering DCS systems, robot control systems, and large-scale servo control systems.
Product scope includes:
➢Distributed Control Syste... Company Profile
Amikon Limited specializes in the global supply of industrial automation module spare parts.The company focuses on well-known international brands covering DCS systems, robot control systems, and large-scale servo control systems.
Product scope includes:
➢Distributed Control Syste...
