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The IMВ 152 interface module connects the ETВ 200iSP to the PROFIBUSВ DP with intrinsically-safe RSВ 485-iS transmission technology with transmission rates of up to 1.5В Mbps. A redundant connection is also possible. In this case the ETВ 200iSP is connected via two interface modules to two redundant PROFIBUSВ DP segments of a fault-tolerant automation system.

The IMВ 152 is plugged onto a special terminal module (to be ordered separately). The following terminal modules are available:

• TM-IM/IM terminal module for two interface modules (for redundant PROFIBUSВ DP connection)
• TM-IM/EM60 terminal module for one interface module and one watchdog, reserve or electronics module (except 2 DO relay)
  • with blue screw-type or spring-loaded terminals for hazardous environments
  • with black screw-type terminals for non-hazardous environments

Tasks of the IMВ 152 interface module

• Connection of ETВ 200iSP to the intrinsically-safe PROFIBUSВ DP
• Autonomous communication with the host automation system
• Preparation of data for the fitted electronic modules
• Saving of parameters of the electronics modules
• Time stamping of digital process signals with an accuracy of 20В ms

The maximum address space of the interface module is 244 bytes for inputs, and 244 bytes for outputs.