Technical specifications for IC660BSM021
Brand GE Fanuc
Series Genius I-O
Part number IC660BSM021
Description Genius I/O Bus Switching Module (BSM)
Application Genius I/O serial bus
Operating voltage 18 to 56 volts DC
I/O capacity 8 discrete analog I/O modules
The maximum current consumption is 60 MA at 48 volts DC
Dimensions 3.50x2.25x2.5 inches
The switching time is less than 20 milliseconds
Configure a handheld display or CPU
Minimum reliability rating 500000 operations

The GE Fanuc IC660BSM021 Bus Switching module (BSM) is a dual-bus switching module designed to connect Genius I/O block devices simultaneously to dual-serial buses. The module belongs to the GE Fanuc Genius I/O family, which provides a reliable serial bus connection and an alternate communication path in case of a bus failure. The IC660BSM021 bus switching module supports the connection of up to eight discrete and analog I/O modules on a single serial bus, and if more modules are required for applications, additional BSM modules can be installed, expanding the maximum number of modules to 30 Genius I/O modules. The functionality of the IC660BSM021 Bus Switching Module is controlled by the Genius I/O block in the cluster configuration and is configured with a handheld monitor or CPU programming.
The GE Fanuc IC660BSM021 bus switching module can be configured to switch between 2 buses (bus A or B) using a handheld display or CPU. When bus A is activated, the rated voltage of the IC660BSM021 bus switch module is less than 4 volts DC, and the maximum current consumption is 10.0 mA (24.0 volts DC) and 30.0 MA (48 volts DC). When bus B is activated, it operates at 18 volts DC to 50 volts DC. The IC660BSM021 bus switch module has a minimum reliability level of 500,000 operations with a switch activation time of less than 20 ms. The IC660BSM120 bus switching module is supplied as a factory component and includes a 24/48 volt DC bus switching module, three 15-inch prefabricated cables, and a Genius I/O system user manual.