ABB Bailey NSPM01 Serial Port Module

This serial port module adds communication capabilities to ABB Bailey INFI 90 systems. You will find the ABB Bailey NSPM01 Serial Port Module connecting controllers to printers, terminals, and modems. Its dual-port design supports two independent serial devices simultaneously.

Technical Specifications

This module contains two fully isolated serial communication channels. You can also locate eight configuration DIP switches for protocol selection. The ABB Bailey NSPM01 Serial Port Module stores no battery energy for configuration retention. Instead, it uses non-volatile EEPROM for all communication settings. Therefore, this module never requires any routine battery replacement.

Parameter	Specification
Full Product Name	ABB Bailey NSPM01 Serial Port Module
Series	INFI 90 / Bailey
Product Type	Serial Communication Module
Weight	0.43 kg
Length	25.5 cm
Width	3.2 cm (single-wide)
Serial Ports	2 (isolated)
Port 1 Type	RS-232 (DB9)
Port 2 Type	RS-232/RS-485 selectable
Baud Rates	300 to 19,200 bps
Data Bits	7 or 8
Parity Options	None, odd, even
Configuration DIP Switches	8
Status LEDs	4 (TX/RX per port)
Bus Connector	1 x 24-pin
Energy Storage	EEPROM only

Communication Details

The ABB Bailey NSPM01 Serial Port Module draws its operating power from the INFI 90 bus backplane. You can configure each port independently for different baud rates and protocols. The module buffers incoming characters before transmitting complete messages to the controller. Moreover, the eight DIP switches set communication parameters without any software tools. This design enables fast field configuration using only a small screwdriver.

Mechanical Integration and Mounting

You must insert the ABB Bailey NSPM01 Serial Port Module carefully into any standard INFI 90 slot. After full insertion, secure the module using the top and bottom metal retaining clips. The module measures exactly 25.5 centimeters in length and 3.2 centimeters in width. Its total weight reaches approximately 0.43 kilograms for straightforward handling. Furthermore, the four status LEDs indicate transmit and receive activity on both ports.

Environmental and Storage Guidelines

You should store this ABB Bailey NSPM01 Serial Port Module in an anti-static bag away from moisture. The module operates reliably between 0°C and +60°C ambient temperature. Likewise, keep the unit away from conductive dust or strong electromagnetic fields. Because the module uses solid-state components only, it requires zero regular maintenance over its service life.