The HIMA PES The H41q and H51q System Families
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1 The HIMA PES
The HIMA PES described here consists of the H41q and H51q system families. Both system
families are based on the same hardware and software, and they are the third generation of
the field-proven HIMA PES to control preferably process engineering plants. PCs (PADT)* are
used for programming, configuration, data logging, operation and trend recording.
Digital and analog inputs can be processed. Some input modules are designed for intrinsically
safe circuits as well as for electric position sensors (proximity switches) according to DIN EN
60947-5-6. Digital and analog outputs are also available.
The HIMA PES are installed in 19-inches subracks. The H41q system family is a compact sys-
tem consisting of one subrack, holding all components such as central unit, interface exten-
sions, communication modules, power supplies, fusing and power distribution, as well as input/
output modules.
The H51q system has a modular structure. A central rack contains the central unit(s), interface
exten-sions, communication modules, monitoring and power supplies, and it can have up to 16
associated input/output subracks.
*PADT = Programming and Debugging Tool
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