Honeywell 51403422-150 HPM Communication And Control Processor Module

Honeywell 51403422-150 HPM Communication And Control Processor Module

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The HPM Communication and Control Processor (51403422 - 150) is responsible for the network communication functions of the HPM. It enables network data access and time - stamping. Additionally, this control processor can execute regulatory, logic, and sequence functions, along with user programming. The Universal Control Network (UCN) is a high - speed and high - security process control network. It has a 5 - megabit/second carrier band with token bus access control.

The HPMM assemblies are placed in the two left - most slot positions in the card file. The HPM UCN Interface module is installed in the connector beneath the High - Performance Comm/Control card in the first slot. The High - Performance I/O Link Card (51309276 - 150) is composed of an I/O Link processor, SRAM for communication between the processor and the Communications/Control card, an I/O Link driver/receiver interface, and a +24 Vdc to +5 Vdc power converter. This converter supplies +5 Vdc for both HPMM cards and the HPM UCN Interface module.

When power is supplied to the HPMM, the Power indicator on each HPMM card and the HPM UCN Interface module lights up. This indicator remains illuminated as long as 24 Vdc from the cabinet Power System is available. After power is applied, the Status indicator on the High - Performance Communications/Control card lights up briefly. Internal test routines are run upon power - on. If the tests are successful, the Status indicator stays on, indicating that no test failures were found.

The indicators for the in - use UCN cables are visible at the front of the HPM UCN Interface module (Rx - A and Rx - B). They are also visible under the front cover of the High - Performance Comm/Control card (UCN A and UCN B). These indicators help users easily monitor the status of the UCN cables.