Glossary
ET 200pro distributed I/O system
528 Operating Instructions, 03/2013, A5E00335544-08
The bus line between two terminating resistors. Contains up to 32 → bus devices. Bus
segments can be coupled via RS 485 repeaters.
Chassis ground includes all the interconnected inactive parts of equipment that must not
carry a hazardous voltage even in the event of a fault.
Connection Module: Connection module
Connection module for interface modules: These modules are mounted onto the interface
modules. They are used to connect PROFIBUS DP, the electronics/encoder/load voltage
supply.
Connection module for electronic modules: These modules are mounted onto the electronic
modules. They are used to connect sensors and actuators.
Connection module for power modules: These modules are mounted onto the power
modules. They are used to connect the 2L+ load voltage supply.
Connection to common potential
The opening of a new potential group by a power module. Allows individual connection to
common potential of encoder and load supplies.
ET 200pro is a modular distributed I/O system available in degrees of protection IP65, IP66,
and IP67.
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