ABB IMASO11 Analog Output Module – INFI 90 OPEN
ABB Bailey IMASO11 1–5 VDC / 4–20 mA
Analog Output Module 10-Bit D/A Resolution
INFI 90 OPEN 14-Channel Analog Output
Place of Origin:
SWEDEN
Brand Name:
ABB
Model Number:
IMASO11
Document:
ABB Bailey IMASO11 1–5 VDC / 4–20 mA
,Analog Output Module 10-Bit D/A Resolution
,INFI 90 OPEN 14-Channel Analog Output
ABB Bailey IMASO11 is an Analog Output (ASO) module for the INFI 90 OPEN Strategic Process Management System. It interfaces control modules with process field devices and is used by multifunction processor (MFP) or multifunction controller (MFC) modules to control process outputs. The module uses closed-loop output circuits with signal readback for output monitoring.
| Product type | Analog Output Module (ASO) |
| System | INFI 90 OPEN |
| Analog outputs | 14 |
| Output signals | 1-5 VDC or 4-20 mA |
| D/A resolution | 10 bits |
| Output accuracy | ≤0.15% in voltage mode; ≤0.25% in current mode |
| Output load | 750 Ω maximum in current mode; 22 kΩ minimum in voltage mode |
| Current limiting / short-circuit protection | 50 mA nominal output current limit |
| Output overvoltage category | Category III |
| Power requirements | +5 VDC ±5%, +15 VDC ±5%, −15 VDC ±5%, and +24 VDC ±10% from the termination unit/module |
| Typical current consumption | 250 mA at +5 VDC; 100 mA at +15 VDC; 90 mA at −15 VDC; 310 mA at +24 VDC |
| Typical power dissipation | 1.5 W at +5 VDC; 2 W at +15 VDC; 1.75 W at −15 VDC; 8 W at 24 VDC |
| Power overvoltage category | Category I |
| Mounting | One slot in a standard INFI 90 OPEN module mounting unit |
| Ambient temperature | 0 to 70°C (32 to 158°F) |
| Relative humidity | 0-95% up to 55°C, noncondensing; 0-45% at 70°C, noncondensing |
| Altitude | Sea level to 3 km (1.86 miles) |
| Air quality | Noncorrosive; pollution degree I |
| EMC | EN50082-2, EN50081-2 and EN61010-1 when installed in an INFI 90 OPEN cabinet |
| Certification information | CSA; FM listed as pending in the referenced instruction |
| Hazardous-location approval | Nonincendive Class I Division 2, Groups A, B, C, D and Class II Division 2, Groups F, G |
The module is designed for the INFI 90 OPEN architecture. It communicates with a multifunction processor or multifunction controller through the I/O expander bus. The module has a unique I/O address selected by its S1 address switch.
Historical Replacement: The manufacturer instruction explicitly states that IMASO11 can be used as a direct replacement for IMASO01.
IMASO11 is used in INFI 90 OPEN systems to send analog control signals from MFP/MFC modules to field devices.
- Incorrect or missing analog output
- Module communication or enable faults
- I/O expander bus errors
- Incorrect module address or jumper settings
- Termination or field wiring issues
These faults may affect process control and should be handled by qualified personnel following proper safety procedures.
Each output channel has a closed-loop current/voltage circuit. The module monitors the output feedback and uses the feedback signal for readback through an A/D converter and the I/O expander bus. This allows the MFP to read individual channel feedback values.
At startup, the outputs automatically go to 0 percent, corresponding to 1 VDC or 4 mA. On an error condition, the module uses a configured fixed/default output value.
Related hardware documented for IMASO11 includes:
- IEMMU11/12/21/22 -- Module Mounting Units
- IMMFC03/04/05 -- Multifunction Controllers
- IMMFP01/02/03/03B -- Multifunction Processors
- NTDI01 / NIDI01 -- Termination hardware
- NKTU01/11, NKTU02/12, NKTM01 -- Termination cables
Amikon supports industrial automation spare-part requirements with:
- Pre-shipment testing
- Protective packaging
- DOA support
- Return and replacement handling
- Warranty support
- After-sales assistance
These models are listed as available inventory only and are not official or compatible replacement models for IMASO11.
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