2090-XB120-01 AB

Each RBM ships with: 

 This installation sheet (publication 2090-IN009x-EN-P). 

 One set of connectors for wiring the RBM to a drive: 

 TB1 - Drive Connection 

 TB2 - Motor Connection 

 TB3 - I/O Connection 

 TB4 - 230VAC Aux Power Connection (2090-XB120-xx only) 

Note: Power and I/O cables are not provided with the RBM. Refer to 

Accessory Equipment on page 23 for catalog numbers of items 

available from Rockwell Automation. I/O cables must be 

supplied by the user.

Description:

The RBM provides an alternative way to brake a drive system. It provides the 

control system engineer with the opportunity to design safety controls into a 

machine’s drive system that have two key features: 

 Physically and electrically separate the drive power output from its 

corresponding motor. 

 Reduce the stopping time for a motor and its load should a failure occur to 

the machine in which it is installed. 

Drive commands are the preferred and quickest way to bring a drive system to 

a controlled stop. The RBM provides a non-mechanical method for braking a 

drive system, by draining motor energy through a resistive load that dissipates 

the energy as waste heat. 

The RBM can resistively brake a motor once per minute with the following 

Payment: Bank of Chicago, Bank of Singapore

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