ABB IMASO11 Analog Output Module

The ABB IMASO11, also cataloged as the IMASO11 Analog Output Module, provides eight independent analog output channels for digital-to-analog signal conversion in the ABB Symphony INFI 90 control system. Configurable 0-10 V or 4-20 mA outputs support proportional process control. The module is specified with 12-bit resolution, 2.5 Mbps data transfer, and 1500 VDC isolation between channels and the power supply.

Hardware Specifications

Analog Output Signal Characteristics

The IMASO11 converts digital control values into proportional analog signals on eight independent channels. Each channel can be configured for either 0-10 V voltage output or 4-20 mA current output according to the supplied specification. The stated 12-bit resolution defines the digital output granularity, while the stated +/- 0.1% of reading accuracy defines the supplied output accuracy specification.

The module also specifies 1500 VDC isolation between channels and the power supply. This isolation should be maintained during cabinet wiring by keeping signal, power, and communication conductors routed according to the control system installation requirements.

Frequently Asked Questions

Q: How many analog output channels does the IMASO11 provide?
A: The supplied data specifies eight independent analog output channels.

Q: Which analog signal ranges are specified for the IMASO11?
A: The module supports configurable 0-10 V voltage output and 4-20 mA current output.

Q: What isolation specification is provided?
A: The supplied specification states 1500 VDC isolation between channels and the power supply.

Field Installation Guidelines

Mount the IMASO11 in the designated ABB Symphony INFI 90 module position and secure the module according to the system rack or cabinet hardware requirements.

Route analog output wiring separately from high-voltage power conductors and high-current switching circuits where practical. For 4-20 mA circuits, use the specified loop wiring topology and observe polarity. For 0-10 V signals, maintain appropriate signal reference connections.

Terminate cable shields according to the cabinet grounding scheme and the ABB system installation documentation. Avoid creating unintended shield current paths through multiple grounding points.

Verify the module power connections before energization. The supplied data lists +5 VDC, +24 VDC, +15 VDC, and -15 VDC supply requirements with their respective current values; these should be matched to the actual rack power distribution arrangement before installation.