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Engineered for ABB Bailey INFI 90 Field Actuator Control
This module drives field actuators based on slave controller commands. It provides reliable digital outputs for the ABB Bailey NDSO01 unit. You will find this output card in INFI 90 distributed I/O racks. Unlike master output modules, this version receives commands from the bus. It controls up to sixteen independent output channels for field devices.
Technical Specifications & Physical Dimensions
We designed this output module for slave mode operation. The table below presents all verified technical specifications.
| Parameter | Specification |
|---|---|
| Physical Dimensions (W x H x D) | 160mm x 120mm x 50mm |
| Total Weight | 0.54 kg (540 grams) |
| Output Channels | 16 digital transistor outputs |
| Output Voltage Rating | 24V DC nominal (20V – 30V) |
| Output Current per Channel | 0.5 Amps continuous |
| Total Current per Module | 8 Amps maximum |
| Response Time | 1 millisecond typical |
Functional Architecture and Slave Operation
This module connects to the INFI 90 bus and receives output data. It uses sixteen power transistors for individual channel switching. You can wire each output to solenoids, relays, or indicator lamps. Moreover, the module includes a bus receiver for command decoding. This component interprets digital output values from the master controller. Consequently, the board updates outputs within one millisecond of receiving new data.
Installation and Operational Guidelines
The ABB Bailey NDSO01 provides 1500V isolation between backplane and field. It consumes 150 mA at 24V DC during normal operation. You must assign a unique slave address using the DIP switches. Always use external fuses for circuits above 0.5 Amps. This practice protects the output transistors from overload damage. Furthermore, the module includes watchdog timer protection for fail-safe operation. This feature turns off all outputs if communication stops.
Physical Characteristics and Environmental Limits
This output module has a rugged, industrial-grade plastic housing. Its moderate 0.54 kg weight allows for easy rack installation. The layout follows ABB Bailey standard INFI 90 specifications. Therefore, it fits securely into any INFI 90 I/O rack. The module includes LED indicators for each output and bus status. In addition, it maintains stable operation between 0°C and 60°C ambient temperature. You can store this unit safely between -25°C and 85°C.