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2.3.4  Customer data collection files  
The data collection files contain all the measurement and calculation data the RMC generates. These 
data files are in the tfData directory with the running configuration files. The type and amount of 
collection data depend on the number and type of applications active on the controller. 
 
The tfData directory also contains trend data for the applications and 
calibration files if the controller has been field
-calibrated. 
2.3.5  Log files  
The event, change, alarm, and system logs are in the tfData directory with the running configuration 
data. These files provide status, errors or warning messages that help manage access and changes to 
the controller. 
2.4  User interface 
The PCCU32 software running in a Windows
®
 environment is the main user interface to the controller. 
PCCU32 supports several view levels and can be configured to provide role-based secure access to the 
controller for the following tasks:  
–  Initial configuration and commissioning (setup) 
–  Monitoring the controller operation and performance 
–  Adding, configuring and optimizing applications (configuration) 
–  Calibration 
–  Data collection 
2.5  Secure service access interface 
The Secure Shell (SSH) and Secure File Transfer Protocol (SFTP) on the RMC allow secure login access 
and file transfer capability for advanced service access. SSH provides an encrypted communication 
channel, which requires private key authentication for access to the controller. Secure access is 
available for troubleshooting purposes only and is reserved for advanced users and ABB technical 
support or development personnel. See section 6 Configure security (recommended)
 for additional 
details on secure access to the RMC. 
 
3  Installation 
This chapter provides information for RMC installation and setup. Follow all instructions and advisories 
for safe and trouble-free installation. 
 
Read the installation chapter and review user drawings before beginning 
 
 
 
– Bodily injury. Although there might be alternate methods of installation and 
commissioning of the RMC, ABB recommends that technicians perform the procedures in the 
order presented: plan, install, wire, then apply power, verify 
power-
on sequence, and configure. 
3.1  Site planning and requirements  
RMC installation requires that customer-supplied enclosures, power sources, wiring, and location 
comply with the specifications described in this section.